Prof. N.S.B.M. Atapattu
+94 71 530 3531
+94 41 222 2681

Prof. N.S.B.M. Atapattu

Professor
Department of Animal Science,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka 81100
Profile QR Code
Research Interests
Poultry Nutrition Ruminant Nutrition Amino Acid Nutrition Least-Cost Ration Formulation
Qualifications

Biography

Prof. N.S.B.M. Atapattu is a Professor in the Department of Animal Science, Faculty of Agriculture, University of Ruhuna. Research interests include Animal Science and Ruminant Nutrition.

Journal Publications

Total: 33
01
Belpagodagamage, U. D., Atapattu, N. S. B. M., Wanniarachchi, S. D., & Seresinghe, R. T. (2021). Evaluation of refused tea as an alternative litter material to paddy husk: Effects on broiler performance their behaviour, litter properties and ammonia emission. Tropical Agricultural Research and Extension, 24(2), 107–116.
02
Mudalige, S. K. K., Atapattu, N. S. B. M., & Dharmadasa, N. P. (2018). Academic performance of undergraduates of three new degree programs as affected by gender and, A/L study stream and subject performance. Tropical Agricultural Research and Extension, 21(3–4), 59–67.
03
Atapattu, N. S. B. M., & Wimalarathne, H. D. A. (2018). Nutrition Knowledge and Misconception about Animal Source Food among Sri Lankans. Journal of Agricultural Sciences, 13(2), 130–140.
04
Atapattu, N. M., Lakmal, L. G. E., & Perera, P. W. A. (2017). Effects of two litter amendments on air NH3 levels in broiler closed-houses. Asian-Australasian Journal of Animal Sciences, 30(10), 1500.
05
Atapattu, N. S. B. M., Gunawardana, W. W. D. A., Abeywickrama, L. M., & Munasinghe, M. (2017). Comparison of Production and Economic Performances of Broilers Raised under Naturally Ventilated Open-House and Tunnel Ventilated Closed-House Systems in Sri Lanka. Tropical Agricultural Research and Extension, 20(3–4), 76–89.
06
Katukurunda, K. G. S. C., Atapattu, N. S. B. M., & Perera, P. W. A. (2017). Effects of mega doses of phytase on growth performance, bone status and nutrient excretion of broilers fed diets containing high levels of rice bran. Iranian Journal of Poultry Science, 7(1), 119–127.
07
Atapattu, N. S. B. M., & Silva, L. M. S. (2016). Effects of gradual feed dilution with inert or less nutritive materials on growth performance, feed cost and meat organoleptic properties of broiler chicken. Brazilian Journal of Poultry Science, 18, 427–434.
08
Abeysekara, T. S., & Atapattu, N. S. B. M. (2016). Effects of dietary coconut oil meal with or without an enzyme mixture on laying performance of Japanese quail (Coturnix coturnix). Tropical Agricultural Research, 27(4), 414–419.
09
Atapattu, N. S. B. M., & Madushanka, K. P. K. (2015). Effects of Heating of Dietary Rice Bran on Growth Performance and Serum Cholesterol Levels of Broiler Chicken. Journal of Agricultural Science, 10(3), 151–157.
10
Atapattu, N. S. B. M., Kumari, K. K. E. I. U., Pushpakumara, K. K. A., & Mudalige, S. K. K. (2015). Adoption of DUNDEE DREEM Questionnaire to Assess the Educational Environment of an Agriculture Degree Programme. Tropical Agricultural Research and Extension, 18(1), 22–30.
11
Maduwanthi, W. T. S., Mudalige, S. K. K., & Atapattu, N. S. B. M. (2015). Academic performance and the perception about the educational environment: A comparison between ethnic minority and majority students following three Degree programs. Tropical Agricultural Research and Extension, 18(3), 107–111.
12
Abeyrathna, H. M. W. N., & Atapattu, N. S. B. M. (2014). Effects of three levels of dietary rice bran levels with or without phytase, on performance and egg parameters of Japanese quail. Tropical Agricultural Research, 26(1), 39–47.
13
Atapattu, N. S. B. M., & Senevirathne, T. S. M. S. (2013). Effects of increasing levels of dietary cooked and uncooked banana meal on growth performance and carcass parameters of broiler chicken. Pakistan Veterinary Journal, 33(2), 179–182.
14
Atapattu, N. S. B. M., & Sudusinghe, S. (2013). Wet feeding mitigates the adverse effects of high dietary rice bran levels on growth performance and nitrogen retention of broiler finishers. Iranian Journal of Applied Animal Science, 153–160.
15
Atapattu, N. S. B. M., & Mendis, A. P. S. (2013). Evaluation of Canistel (Pouteria campechiana) fruit meal as a feed ingredient for poultry. Iranian Journal of Applied Animal Science, 177–183.
16
Atapattu, N. S. B. M., Sanjeewani, K. G. S., & Senaratna, D. (2013). Evaluation of Lawalu (Chrysophyllum roxburghii) Fruit Meal as a Feed Ingredient for Broilers. Tropical Agricultural Research and Extension, 16(2), 35–39.
17
Wickramasinghe, K. P., Atapattu, N. S. B. M., & Seresinghe, R. T. (2013). Effects of two dietary non-phytate phosphorus, citric acid and rice bran levels on growth performance and nutrient retention of broiler chickens. Iranian Journal of Applied Animal Science, 4(4), 809–815.
18
Weerasingha, A. S., & Atapattu, N. S. B. M. (2013). Effects of Fenugreek (Trigonella foenum-graecum L.) seed powder on growth performance, visceral organ weight, serum cholesterol levels and the nitrogen retention of broiler chicken. Tropical Agricultural Research, 24(3), 289–295.
19
Piyaratne, M. K. D. K., Dias, N. G. J., & Atapattu, N. S. B. M. (2012). Linear model-based software approach with ideal amino acid profiles for least cost poultry ration formulation. Information Technology Journal, 11, 788–793.
20
Sandika, A. L., Atapattu, N. S. B. M., & Weerasinghe, W. M. C. B. (2012). Factors affecting the academic performance of Agriculture undergraduates: A case study in Faculty of Agriculture, University of Ruhuna. SAARC Journal of Educational Research, 9, 1–13.
21
Atapattu, N. S. B. M., & Belpagodagamage, U. D. (2010). Effect of dietary chilli powder on growth performance and serum cholesterol contents of broiler chicken. Tropical Agricultural Research and Extension, 13(4), 106–109.
22
Silva, P. H. G. J., Atapattu, N. S. B. M., & Sandika, A. L. (2010a). A study of the socio economical parameters associated with mean purchasing and consumption pattern: A case study of Southern Province, Sri Lanka. The Journal of Agricultural Sciences, 5(1), 71–79.
23
Silva, P. H. G. J., Atapattu, N. S. B. M., & Sandika, A. L. (2010b). Undergraduates' attitude toward the use of animal in research and other purposes are influenced by their field of study. Pakistan Journal of Social Sciences, 7(6), 404–407.
24
Piyaratne, M. K. D. K., Atapattu, N. S. B. M., Mendis, A. P. S., & Amarasinghe, A. G. C. (2009). Effects of balancing rice bran-based diets for up to four amino acids on growth performance of broiler chicken. Tropical Agricultural Research and Extension, 12(2), 57–61.
25
Wickramasinghe, K. P., Atapattu, N. S. B. M., & Gunarathne, S. P. (2009). Effects of citric acid on growth performance and nutrient retention of broiler chicken fed maize-rice bran based diets. Sri Lanka Journal of Animal Production, 5(1), 15–26.
26
Atapattu, N. S. B. M., & Lal, P. K. (2009). Effects of Feed Withdrawal on Growth Performance and Carcass Parameters of Broiler Chicken. Sri Lanka Journal of Animal Production, 5(1), 1–14.
27
Atapattu, N. S. B. M., Senaratna, D., & Belpagodagamage, U. D. (2008). Comparison of ammonia emission rates from three types of broiler litters. Poultry Science, 87(12), 2436–2440.
28
Senaratna, D., Samarakone, T., Atapattu, N. S. B. M., & Nayanarasi, H. A. D. (2008). Effect of the Colour of Light on Growth Performance, Behaviour and Bone Parameters of Broiler Chicken. Journal of Tropical Agriculture Research, 20, 185–192.
29
Atapattu, N. S. B. M., & Wickramasinghe, K. P. (2007). The use of refused tea as litter material for broiler chickens. Poultry Science, 86(5), 968–972.
30
Senarathne, D., Atapattu, N. S. B. M., & Belpagodagamage, U. D. (2007). Saw dust and refuse tea as alternative litter materials for broilers. Tropical Agricultural Research, 19, 283–289.
31
Ramanayaka, J. C., & Atapattu, N. S. B. M. (2006). Fish anesthetic properties of some local plant materials. Tropical Agricultural Research and Extension, 9, 143–148.
32
Atapattu, N. S. B. M., Davie, P. S., & Hendricks, W. (2005). Effects of dietary beta-adrenergic agonist on growth and body composition of rainbow trout (Oncorhynchus mykiss). Tropical Agricultural Research and Extension, 8, 91–97.
33
Atapattu, N. S. B. M., & Nelligaswatta, C. J. (2005). Effects of citric acid on the performance and the utilization of phosphorus and crude protein in broiler chickens fed on rice by-products based diets. International Journal of Poultry Science, 4(12), 990–993.

Conference Publications

Total: 134
01
Siriwardana, S. K. P. M., & Atapattu, N. S. B. M. (2022). Effects of alum and acidified bamboo biochar on nitrogen loss from broiler litter during storage. Proceedings of the 2022 International Poultry Scientific Forum, Georgia World Congress Center, Atlanta, Georgia. 84.
02
Senaratna, D., Wijethilake, K. W. M. A. U., & Atapattu, N. S. B. M. (2022). Discomfort Behaviour and Hair Coat Density of Muurah × Nili-Ravi Cross-bred Buffaloes as Affected by Louse (Haematopinus tuberculatus) Treated with Acaricides. Proceedings of the International Forestry and Environment Symposium, 26, 44.
03
Atapattu, N. S. B. M., Mudalige, S. K. K., & Prasangika, A. D. P. (2021). Students' Perception of and Performance in In-class Debates: A Case Study. Proceedings of the 17th Annual SLAIHEE Conference on Higher Education in Sri Lanka, 28–33.
04
Buddika, M. G. K., Atapattu, N. S. B. M., Pathirana, I. N., Premakumara, M. M. K., & Lal, P. K. (2021). Effects of Dietary Yeast Cell Wall Supplementation on Growth Performance and Feed Cost of Broilers. Proceedings of the 18th Academic Sessions, University of Ruhuna. 2.
05
Lavanniya, K., & Atapattu, N. S. B. M. (2020). Effect of coconut-shell biochar on ammonia emission from broiler litter. Proceedings of the Technical Sessions of the World's Poultry Science Association, Sri Lanka Branch.
06
Leelarathne, B. S. S., Atapattu, N. S. B. M., Kumara, R. P., & Premasiri, H. P. (2020). A comparison of growth performance and feed cost of broilers fed a phytogenic growth promoter and an AGP. Proceedings of the Technical Sessions of the World's Poultry Science Association, Sri Lanka Branch.
07
Akram, A. T. A., Atapattu, N. S. B. M., & Gunawardena, W. W. D. A. (2020). Vulnerability of Farming Communities Practicing Livestock Monocultures or Crop-Livestock Integrated Systems to Climate Change: A Case Study in Ampara District. Proceedings of the International Research Conference, Uva Wellassa University, Sri Lanka. 15.
08
Atapattu, N. S. B. M., & Mudalige, S. K. K. (2020). An Analysis of the Relationship between Advanced Level Z-Score and Academic Performance of Graduates of the Faculty of Agriculture, University of Ruhuna. Proceedings of the International Symposium on Agriculture and Environment. 86.
09
Senaratna, D., Chathuranga, V. I., & Atapattu, N. S. B. M. (2020). Ranking of Welfare Issues in Dairy Cattle Production in Tropics based on the Attitudes of Different Social Strata: A Case Study. Proceedings of the International Symposium on Agriculture and Environment. 169.
10
Subasini, S., Atapattu, N. S. B. M., Senaratne, D., & Li, A. (2020). Effect of Dietary Supplemental Bile Acid on Growth Performance, Nutrient Digestibility and Visceral Organ Weight of Broiler Chicken. Proceedings of the International Symposium on Agriculture and Environment. 175.
11
Senaratna, D., Priyadarshanie, W. A. S., & Atapattu, N. S. B. M. (2020). Vocalization behavior of goats (Capra hircus) in relation to two routine management practices. Proceedings of the 7th Ruhuna International Science and Technology Conference, University of Ruhuna. 7.
12
Senaratna, D., Senarath, D. A. C. S., & Atapattu, N. S. B. M. (2020). Assessment of vocalization behavior of dairy cows in relation to feeding practice as a measure of welfare. Proceedings of the 7th Ruhuna International Science and Technology Conference, University of Ruhuna. 90.
13
Attanayaka, K. A. R. R. N., Atapattu, N. S. B. M., & Pathirana, I. N. (2019). Effects of Active Dried Yeast Supplementation on Growth Performance, Visceral Organ Weights, Nutrient Digestibility and Serum Lipid Profile of Broiler Chicken. Proceedings of the XVIII Annual Scientific Sessions of the World's Poultry Science Association Sri Lanka Branch. 13–17.
14
Atapattu, N. S. B. M., Abeywickrama, L. M., Gunawardane, W. W. D. A., & Munasinghe, M. (2019). Environmental Performance of Backyard Poultry Production System in Sri Lanka. Proceedings of the 24th International Forestry and Environment Symposium. 108.
15
Senaratna, D., Lingesh, S., & Atapattu, N. S. B. M. (2019). Investigation of Crop Damage Caused by Indian Peafowl (Pavo cristatus) based on Foraging Behavior. Proceedings of the 24th International Forestry and Environment Symposium. 27.
16
Senaratna, D., Viduranga, W. P. C., & Atapattu, N. S. B. M. (2019). Defecation behavior and faecal consistency of Friesian dairy cows affected by feeding time associated with milking. Proceedings of the International Symposium on Agriculture and Environment. 71.
17
Atapattu, N. S. B. M., Sathkunanatha, A., Prasath, J. M., & Mudalige, S. K. K. (2019). Social integration among undergraduates with different ethnic background in the Faculty of Agriculture, University of Ruhuna. Proceedings of the International Symposium on Agriculture and Environment. 876.
18
Yashodha, W. A. I., & Atapattu, N. S. B. M. (2019). Present situation and opportunities for better geographical equality in livestock production in Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment. 67.
19
Gajanayake, A. J., & Atapattu, N. S. B. M. (2019). Effects of three exogenous enzymes on in vitro pepsin digestibility of rapeseed meal, ground nut meal and corn gluten meal. Proceedings of the International Symposium on Agriculture and Environment. 1.
20
Chathurika, T. G. N. T., Perera, P. W. A., & Atapattu, N. S. B. M. (2018). Effectiveness of composting as a strategy of waste management among livestock farmers in Galle District. Proceedings of the Jaffna University International Research Conference. 44–46.
21
Koshila, H. W. S., Atapattu, N. S. B. M., & Gunawardana, W. W. D. A. (2018). Recent geographical migration pattern of Indian peafowl (Pavo cristatus) in Galle and Matara District. Proceedings of the International Symposium on Agriculture and Environment. 51–54.
22
Senaratna, D., Viduranga, W. P. C., Premakumara, M. M. K., & Atapattu, N. S. B. M. (2018). Changing of the Milking Method Affects the Milk Yield and Behaviour of Jersey Cross Bred Cows. Proceedings of the 5th Ruhuna International Science and Technology Conference, University of Ruhuna. 8.
23
Atapattu, N. S. B. M., Abeywickrama, L. M., Gunawardane, W. W. D. A., & Munasinghe, M. (2018). Litter Phosphorus Load and on Farm-Eutrophication Potential of Naturally Ventilated Open and Tunnel Ventilated-Closed House Broiler Production Systems. Proceedings of the 23rd International Forestry and Environment Symposium. 63.
24
Ranasinghe, R. A. K. C., Wijesundara, D. S. A., Perera, P. W. A., Atapattu, N. S. B. M., & Gunawardena, W. W. D. A. (2018). Efficacy of Three Types of Leaf Extractions of Erythroxylum moonii on Gastro Intestinal Nematodes of Goat. Proceedings of the International Symposium on Agriculture and Environment: Student Session. 1.
25
Eranga, L. K. H. T., Atapattu, N. S. B. M., & Senaratna, D. (2018). Effect of two toxin binders on growth performance, visceral organ weights and feed cost of broilers fed diet containing aflatoxin high maize. Proceedings of the International Symposium on Agriculture and Environment. 12.
26
Maduranga, M. K. S., Atapattu, N. S. B. M., Senaratne, D., & Perera, L. B. (2018). Hatchery Candle-Out Eggs: A Novel Feed Resource for the Feeding of Growing Pigs. Proceedings of the International Symposium on Agriculture and Environment: Student Session. 13.
27
Denuwan, B. B. T. H., Abeywickrama, L. M., Shashikala, K. K. G. A., & Atapattu, N. S. B. M. (2017). Women Entrepreneurs in Southern Province of Sri Lanka: Problems and Prospects. Proceedings of the 6th International Conference on Management and Economics, University of Ruhuna. 125–137.
28
Rajitha, H. G. L., Gunawardhana, P. R., Anuththara, V. G. S., Mudalige, S. K. K., & Atapattu, N. S. B. M. (2017). Towards Making Wholesome Kottu: Common Recipes and Serving Numbers of Food Groups. Proceedings of the International Symposium on Agriculture and Environment.
29
Wanigasekara, B. M. M., Gunawardana, W. W. D. A., Atapattu, N. S. B. M., & Priyadarshani, A. (2017). Food preference and behavior of white spotted mouse deer (Moschiola meminna) in captivity. Proceedings of the 6th International Conference of Sabaragamuwa University of Sri Lanka, Kandy. 125.
30
Yashodha, W. A. I., Pethiyagoda, N. A., Atapattu, N. S. B. M., & Gunawardena, W. W. D. A. (2017). A Comparison on Welfare Status of Dairy Cattle under Extensive and Semi Intensive Management Conditions: A Case Study in Mathugama Area, Western Province, Sri Lanka. Proceedings of the International Symposium on Agriculture and Environment. 12.
31
Atapattu, N. S. B. M., Gunawardana, W. W. D. A., Abeywickrama, L. M., & Munasinghe, M. (2016). Nitrogen Budget of Broiler Production under Closed-House Management Conditions. Proceedings of the 21st International Forestry and Environment Symposium. 43.
32
Prasangika, A. D. P., Fonseka, W. T. L., & Atapattu, N. S. B. M. (2016). Animal source food consumption pattern among Sri Lankans: A 24-hours recall study in Galle and Matara District. Proceedings of the International Symposium on Agriculture and Environment.
33
Mudalige, S. K. K., Priyashantha, K. G., & Atapattu, N. S. B. M. (2015). Prevalence of Different Types of Career Plateau among the Administrative Officers in Sri Lankan Universities. Academic Sessions, University of Ruhuna.
34
Madusanka, S. T., Belpagodagamage, U. D., & Atapattu, N. S. B. M. (2014). Effects of three dietary metabolizable energy levels on growth performance and carcass fat contents of 28–35 days old broiler chicken. Proceedings of the Jaffna University Research Conference. 203–205.
35
Atapattu, N. S. B. M., Madusanka, S. T., Wimalarathne, H. D. A., & Mudalige, S. K. K. (2014). Determinants of the Final Year Specialization Choice of Undergraduates: A Case Study the Faculty of Agriculture, University of Ruhuna. Proceedings of the International Symposium on Agriculture and Environment. 407–412.
36
Chandrasiri, W. C. J., & Atapattu, N. S. B. M. (2014). Effects of Four Herbal Feed Additives on Egg Production and Yolk Cholesterol Contents of Layer Chicken. Proceedings of the International Symposium on Agriculture and Environment. 291–294.
37
Prabhashini, S. D., Atapattu, N. S. B. M., Perera, P. W. A., & Gunawardena, W. W. D. A. (2014). Effects of feeding Hybrid Napier (CO-3) alone or supplemented with Coconut poonac, Rice bran or Dairy max on production performance and faecal count of goat. Proceedings of the International Symposium on Agriculture and Environment. 279–282.
38
Madusanka, S. T., Atapattu, N. S. B. M., & Gunawardane, W. W. D. A. (2013). A comparison of the Reproductive Performances of Purebred Jersey and Jersey × Friesian Crossbred Cows under Local Conditions. Proceedings of the International Symposium on Agriculture and Environment: Student Session. 299–305.
39
Chaminda, K. G. S., & Atapattu, N. S. B. M. (2013). Water footprint of chicken egg production under medium scale farming conditions of Sri Lanka: An analysis. Proceedings of the 2nd International Symposium of South Eastern University. 34–37.
40
Kumara, D. P. S. L., & Atapattu, N. S. B. M. (2013). Awareness of Three Communities about the Nutritional Importance of Animal Source Foods. Proceedings of the International Symposium on Agriculture and Environment. 590–595.
41
Jinasena, A. K. G. S., Atapattu, N. S. B. M., & Senaratna, D. (2013). Effects of citric acid and multi enzyme supplementation on growth performance of broiler chicken fed diets containing rice bran. Proceedings of the International Symposium on Agriculture and Environment. 171–174.
42
Atapattu, N. S. B. M., Gunawardane, N. M., & Chaminda, K. G. S. (2013). Interrelationships between two gait scores, tibia ash contents, body weights and latency-to-lie of commercial broiler chicken. Proceedings of the International Symposium on Agriculture and Environment. 175–178.
43
Sampath, H. K. R., & Atapattu, N. S. B. M. (2013). Effects of Cinnamon (Cinnamomum zeylanicum) bark powder on growth performance, carcass fat and serum cholesterol levels of broiler chicken. Proceedings of the 3rd International Symposium of South Eastern University. 42–46.
44
Rathnayaka, R. M. A. J., & Atapattu, N. S. B. M. (2013). Effects of the withdrawal of vitamin trace mineral mixture from broiler finisher diet supplemented with phytase on growth performance, visceral organ weights and feed cost. Proceedings of the 2nd International Symposium of South Eastern University. 52–56.
45
Pethiyagoda, N. A., Wickramasinghe, K. P., & Atapattu, N. S. B. M. (2013). Determination of optimum Dietary NaCl requirement for growth of Broiler finishers using choice feeding method. Proceedings of the 11th Academic Sessions, University of Ruhuna. 58.
46
Pethiyagoda, N. A., Gunawardhana, H. G. T. N., Senaratna, D., Katukurunda, K. G. S. C., Buddika, H. A. A. Y., & Atapattu, N. S. B. M. (2013). Behaviour of Japanese Quails (Coturnix japonica) kept on Different Bedding Materials. Proceedings of the 11th Academic Sessions, University of Ruhuna. 115.
47
Senaratna, D., Madusanka, A. A. P., Atapattu, N. S. B. M., & Gunawardena, W. W. D. A. (2013). Preference and Welfare Status of Broilers Exposed to Different Litter Substrates. Proceedings of the 11th Academic Sessions, University of Ruhuna. 57.
48
Perera, P. W. A., Atapattu, N. S. B. M., & Sandaruwan, A. M. I. (2013). Effects of Herbal Anti-Microbial Amendments on Ammonia Emission from Broiler Litter. Proceedings of the 11th Academic Sessions, University of Ruhuna. 60.
49
Gunawardana, H. G. T. N., Katukurunda, K. G. S. C., & Atapattu, N. S. B. M. (2013). Effect of dietary crude protein levels and phytase supplementation on contact dermatitis conditions and litter parameters of broiler chicken. Proceedings of the 11th Academic Sessions, University of Ruhuna. 116.
50
Kumari, K. K. E. I. U., Atapattu, N. S. B. M., Pushpakumara, K. K. I., & Sandika, A. L. (2012). A comparison of the students' perception about the effectiveness of teacher guided student seminar and lectures as teaching methods. Proceedings of the 8th SDC-SLAIHEE Conference on Higher Education in Sri Lanka, University of Colombo. 15.
51
Kumari, K. K. E. I. U., Pushpakumara, K. K. A., Atapattu, N. S. B. M., & Sandika, A. L. (2012). Analysis of the question papers of the BSc (Agriculture) degree programme of the Faculty of Agriculture, University of Ruhuna, using revised Bloom's taxonomy. Proceedings of the International Symposium on Agriculture and Environment. 357–359.
52
Atapattu, N. S. B. M., Pushpakumara, K. K. A., & Kumari, K. K. E. I. U. (2012). Effects of wet feeding on growth performance and visceral organ weights of broiler chicken under two day-time ambient temperature levels. Proceedings of the International Symposium on Agriculture and Environment.
53
Senaratna, D., Arachchige, M. A., Paramullage, I. P., Kumari, H. M. S., Kodithuwakkuarachchi, R. T., & Atapattu, N. S. B. M. (2011). Behaviour of goats in a natural forest with special emphasis on eating behaviour. Proceedings of the 16th International Forestry and Environment Symposium. 46.
54
Sandika, A. L., Atapattu, N. S. B. M., & Weerasinghe, W. M. C. B. (2011). Effects of A/L Z score and study habits on the academic performance of BSc Agriculture undergraduates of Ruhuna University. Proceedings of the 7th Joint SDC-SLAIHEE Conference, University of Colombo. 10.
55
Atapattu, N. S. B. M. (2011). A conceptual framework to compute environmental costs of non-ruminant feed formulations. Proceedings of the 12th Asian Bioethics Conference, Taipei. 33.
56
Atapattu, N. S. B. M. (2011). Water footprint of broiler meat production in Sri Lanka: An analysis. Proceedings of the 16th International Forestry and Environment Symposium. 76.
57
Senaratna, D., Madusanka, A. A. P., Peiris, P. I., Herath, H. M. S. S. K., Kodithuwakkuarachchi, R. T., & Atapattu, N. S. B. M. (2011). Behaviour of goats in a natural forest with special emphasis on eating behavior. Proceedings of the International Forestry and Environment Symposium, University of Sri Jayawardenepura. 46.
58
De Silva, P. H. G. J., & Atapattu, N. S. B. M. (2010). Effects of dried curry leaves and tea leaves on oxidative rancidity of rice bran. Proceedings of the 15th International Forestry and Environment Symposium. 94.
59
De Silva, P. H. G. J., Atapattu, N. S. B. M., & Sandika, A. L. (2010). Ethical stands of undergraduates are influenced by their field of study. Proceedings of the Vavuniya Campus Annual Research Session. 11.
60
Senaratna, D., Atapattu, N. S. B. M., Weerasinghe, W. M. C. B., & Gajaweera, C. J. (2010). Body weight influences the behaviour of intensively reared broilers in deep litter system. Proceedings of the 8th Academic Sessions, University of Ruhuna. 199.
61
Atapattu, N. S. B. M., & Sudusinghe, H. S. (2010). Effects of restricted wet feeding on feed intake and growth performance of broiler chicks from day 10–20. Proceedings of the International Symposium, Faculty of Agriculture, University of Ruhuna. 23.
62
Atapattu, N. S. B. M., & Bandara, W. M. C. B. (2010). Effects of environmental temperature on gastric transit time, faecal nitrogen and dry matter contents of layer chicken. Proceedings of the International Symposium, Faculty of Agriculture, University of Ruhuna. 107.
63
De Silva, P. H. G. J., Atapattu, N. S. B. M., & Sandika, A. L. (2010). Do animal welfare concerns and degree programs affect the dietary identity of the undergraduates? Proceedings of the 66th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 134.
64
Atapattu, N. S. B. M., Mudalige, S. K. K., & Rangoda, B. D. P. (2010). Ethical issues of animal husbandry and experiments: An analysis of the views of Agriculture Undergraduates. Proceedings of the 7th Academic Sessions, University of Ruhuna. 112.
65
Belpagodagamage, U. D., Subasinghe, S., Priyadarshani, S. H. R., & Atapattu, N. S. B. M. (2010). A comparison of the organic fertilizer value of three types of spent broiler litters. Proceedings of the 7th Academic Sessions, University of Ruhuna. 111.
66
Mudalige, S. K. K., Atapattu, N. S. B. M., & Rangoda, B. D. P. (2010). Three decades: Two curricula: An analysis of the results of BSc Agriculture graduates of Ruhuna University. Proceedings of the 7th Academic Sessions, University of Ruhuna. 60.
67
Atapattu, N. S. B. M., & Prabath, A. N. M. B. R. (2010). Effects of dietary energy and rice bran levels on growth performance and nutrient retention of broiler chicken. Proceedings of the 7th Academic Sessions, University of Ruhuna. 57.
68
Senaratna, D., Samarakoon, T., Atapattu, N. S. B. M., Paranawithana, D. R., & Chandrasiri, W. C. J. (2010). Light colour preference of broilers reared in tropical environment. Proceedings of the Academic Sessions, University of Ruhuna.
69
Piyarathna, D., Atapattu, N. S. B. M., Mendis, A. P. S., & Amarasinghe, A. G. C. (2009). Effects of balancing diets for more amino acids on growth performance of broilers fed rice bran-based diets. Proceedings of the 2nd National Symposium, Faculty of Agriculture, University of Ruhuna. 34.
70
Atapattu, N. S. B. M., & Sudusinghe, H. S. (2009). Effects of five feed withdrawal periods on feed intake, growth performance and internal organ weights of young broiler chicks. Proceedings of the 2nd National Symposium, Faculty of Agriculture, University of Ruhuna. 43.
71
Senaratna, D., Samarakone, T., Atapattu, N. S. B. M., Paranawithana, D. R., & Chandrasiri, W. C. J. (2009). Performance and behaviour of broilers under three different artificial light colours. Proceedings of the 2nd National Symposium, Faculty of Agriculture, University of Ruhuna. 45.
72
Epa, S. T., & Atapattu, N. S. B. M. (2009). Development of low cost poultry feed pelleting machine. Proceedings of the 2nd National Symposium, Faculty of Agriculture, University of Ruhuna. 51.
73
Paranawithana, D. R., Atapattu, N. S. B. M., Senaratna, D., Ranasinghe, H. R. M. A. K. K., & Weerasinghe, W. M. C. B. (2009). A Study on bullock cart enterprise. Proceedings of the 2nd National Symposium, Faculty of Agriculture, University of Ruhuna. 79.
74
Atapattu, N. S. B. M., Chandrasiri, W. C. J., & Premakumara, M. M. K. (2009). A comparison of the physical properties and yolk cholesterol contents of different types of poultry eggs. Proceedings of the 65th Annual Sessions of the Sri Lanka Association for the Advancement of Science.
75
Atapattu, N. S. B. M., Paranawithana, D. R., & Senaratna, D. (2009). An appraisal of the welfare standards of the bullock cart animals. Proceedings of the 65th Annual Sessions of the Sri Lanka Association for the Advancement of Science.
76
Atapattu, N. S. B. M., Chandrasiri, W. C. J., Liyanaarachchi, N., Wijetunga, S., & Epa, W. G. S. T. (2009). Use of broiler offal silage-rice bran pellets in a qualitative feed restriction strategy for mature broilers. Proceedings of the 65th Annual Sessions of the Sri Lanka Association for the Advancement of Science.
77
Belpagodagamage, U. D., Atapattu, N. S. B. M., & Lal, P. K. (2008). Boric acid reduces the ammonia emission from broiler litters. Proceedings of the 13th Forestry and Environmental Symposium, University of Sri Jayawardenepura. 17.
78
Nayanarasi, H. A. D., Atapattu, N. S. B. M., & Dissanayake, N. (2008). Proximate composition and cell wall analysis of spent media of American Oyster mushroom: An alternative feed resource for ruminants. Proceedings of the 13th Forestry and Environmental Symposium, University of Sri Jayawardenepura. 74.
79
Liyanaarachchi, N., Atapattu, N. S. B. M., & Wijetunga, S. (2008). Development of broiler offal-rice bran mixture as an animal feed: In vitro nutritive value. Proceedings of the 13th Forestry and Environmental Symposium, University of Sri Jayawardenepura. 75.
80
Sanjeewani, K. G. S., & Atapattu, N. S. B. M. (2008). Lawalu (Chrysophyllum roxburghii) fruit: A potential feed resource for animal feeds. Proceedings of the 13th Forestry and Environmental Symposium, University of Sri Jayawardenepura. 75.
81
Weerasinghe, R., Atapattu, N. S. B. M., Madage, S. S. K., & Sulthan Bawa, Y. (2008). A low-cost feed for giant seabass (Lates calcarifer). Proceedings of the 14th Scientific Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources. 16.
82
Atapattu, N. S. B. M., & Premakumara, K. (2008). Effects of Masbedda (Gymnema sylvestre) and curry leave (Murraya koenigii) extracts on serum cholesterol contents of poultry. Proceedings of the 2nd International Symposium, Sabaragamuwa University. 43.
83
Atapattu, N. S. B. M., & Amarasekara, R. P. (2008). Digesta transit time in broiler chicken as affected by the age of the birds. Proceedings of the 2nd International Symposium, Sabaragamuwa University. 44.
84
Atapattu, N. S. B. M., & Piyadigama, B. (2008). Effects of shell grit on gastric transit time of layer chicken. Proceedings of the 2nd International Symposium, Sabaragamuwa University. 48.
85
Atapattu, N. S. B. M., & Nayanarasi, H. A. D. (2008). Effect of storage time on some physical and nutritional parameters of chicken egg. Proceedings of the 2nd International Symposium, Sabaragamuwa University. 50.
86
Atapattu, N. S. B. M., & Amarasinghe, S. P. (2008). A comparison of behavior of broiler chicken on litter and wire mesh. Proceedings of the 2nd International Symposium, Sabaragamuwa University. 51.
87
Piyaratne, M. K. D. K., Dias, N. G. J., & Atapattu, N. S. B. M. (2008). Development of a linear model-based computer software for least cost poultry ration formulation. Proceedings of the 9th Annual Research Symposium, Faculty of Graduate Studies, University of Kelaniya. 134.
88
Atapattu, N. S. B. M., & Wickramasinghe, K. P. (2008). Wet feeding reduces the feed conversion ratio of young broiler chicks. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 246.
89
Atapattu, N. S. B. M., Chandrasiri, W. C. J., & Premakumara, M. M. K. (2008). Effects of curry leave extract and Lovastatin on egg yolk cholesterol contents of chicken egg. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 247.
90
Atapattu, N. S. B. M., Piyadigama, B., & Piyaratne, D. (2008). Effect of complete replacement of fish meal from a sesame meal free diet on growth performance of broilers. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 248.
91
Belpagodagamage, U., Atapattu, N. S. B. M., & Perera, P. W. A. (2008). A comparison of the ammonia emission rates and some physio-chemical properties of the litters of broilers fed diets with or without fish meal. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 249.
92
Atapattu, N. S. B. M., & Chandrasiri, W. C. J. (2008). Effects of fish silage given with water on growth performance of broiler chicken. Proceedings of the 64th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 250.
93
Piyarathne, D., Atapattu, N. S. B. M., & Wickramasinghe, K. P. (2008). Effects of two ideal amino acid profiles and lysine levels on growth performance of broiler chicken. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 53.
94
Belpagodagamage, U. D., & Atapattu, N. S. B. M. (2008). Refused tea reduces the emission of ammonia from poultry litter. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 54.
95
Nayanarasi, H. A. D., Atapattu, N. S. B. M., & Senarathne, D. (2008). A study on the behavior of broiler chicken during day time. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 60.
96
Nayanarasi, H. A. D., & Atapattu, N. S. B. M. (2008). Effect of vitamin B or C enriched water on gastric transit time of fear-stressed layer chicken. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 61.
97
Wickramasinghe, K. P., & Atapattu, N. S. B. M. (2008). Effects of wet feeding on growth performance and gastric transit time of broiler chicken. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 62.
98
Chandrasiri, W. C. J., Atapattu, N. S. B. M., & Premakumara, M. M. K. (2008). Effects of dietary rice bran on the cholesterol contents of chicken egg. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 117.
99
Sanjeewani, K. G. S., Atapattu, N. S. B. M., & Senaratna, D. (2008). Evaluation of Lawalu (Chrysophyllum roxburghii) fruit meal as a feed ingredient for broilers. Proceedings of the National Symposium, Faculty of Agriculture, University of Ruhuna. 118.
100
Atapattu, N. S. B. M., & Amarasinghe, S. P. K. (2008). Effect of a qualitative feed restriction strategy on growth and carcass parameters of broiler chicken. Proceedings of the 5th Academic Sessions, University of Ruhuna. 300.
101
Liyanaarachchi, N., Wijetunga, S., & Atapattu, N. S. B. M. (2007). Communal attitude towards waste management practices: A case study in Faculty of Agriculture, University of Ruhuna. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 32.
102
Wickramasinghe, K. P., & Atapattu, N. S. B. M. (2007). Effect of vitamin C enriched water on growth performance and feed and water intake of broiler chicken. Proceedings of the 5th Academic Sessions, University of Ruhuna. 301.
103
Mudalige, S. K. K., Rangoda, B. D. P., & Atapattu, N. S. B. M. (2007). Why do students opt not to enroll for Agriculture at Ruhuna. Proceedings of the 5th Academic Sessions, University of Ruhuna. 302.
104
Mudalige, S. K. K., Rangoda, B. D. P., & Atapattu, N. S. B. M. (2007). From Z score to semester grade point average: An analysis. Proceedings of the 5th Academic Sessions, University of Ruhuna. 297.
105
Atapattu, N. S. B. M. (2007). Effects of dietary phytase supplementation on water intake and digesta moisture contents of broiler chicken. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 44.
106
Atapattu, N. S. B. M., & Wickramasinghe, K. P. (2007). Effect of dietary rice bran and energy level on the digesta transit time of broiler chicken. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 188.
107
Amarasekara, R. P., & Atapattu, N. S. B. M. (2007). Effects of the immersion of poultry meat in citric acid solutions on the organoleptic properties. Proceedings of the 63rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 189.
108
Atapattu, N. S. B. M., & Lal, P. K. (2007). Effects of dietary rice bran levels on water intake pattern of broiler chicken. Proceedings of the 1st Annual Symposium, Faculty of Agriculture, University of Sabaragamuwa. 60.
109
Atapattu, N. S. B. M., & Hemantha, K. G. C. (2007). Effect of a qualitative feed restriction strategy on growth performance and carcass parameters of broiler chicken. Proceedings of the 1st Annual Symposium, Faculty of Agriculture, University of Sabaragamuwa. 62.
110
Atapattu, N. S. B. M., & Wickramasinghe, K. P. (2007). The effects of colour of lighting on broiler growth performance and feed and water intake pattern. Proceedings of the 1st Annual Symposium, Faculty of Agriculture, University of Sabaragamuwa. 74.
111
Atapattu, N. S. B. M., & Belpagodagamage, U. D. (2007). Light colour preference of broiler chicks during brooding period. Proceedings of the 1st Annual Symposium, Faculty of Agriculture, University of Sabaragamuwa. 77.
112
Atapattu, N. S. B. M., Belpagodagamage, U. D., & Piyadigama, B. (2007). A comparison of the ammonia emission rates of broiler and layer type poultry litter. Proceedings of the 12th Forestry and Environmental Symposium, Kalutara. 39.
113
Atapattu, N. S. B. M., & Amarasekara, R. P. (2007). Proximate composition of broiler offal ensiled with citric acid. Proceedings of the 12th Forestry and Environmental Symposium, Kalutara. 42.
114
Amarasekara, R. P., Atapattu, N. S. B. M., & Serarathne, D. (2007). Spent Broiler Litter as an Alternative to Inorganic Fertilizer for Spinach. Proceedings of the 12th Forestry and Environmental Symposium, Kalutara. 44.
115
Belpagodagamage, U. D., Atapattu, N. S. B. M., & Kumara Kithsiri, K. H. S. (2007). Present situation of the refused tea disposal and utilization: a case study in Matara District. Proceedings of the 12th Forestry and Environmental Symposium, Kalutara. 48.
116
Belpagodagamage, D. U., & Atapattu, N. S. B. M. (2007). Present situation of the poultry litter utilization and disposal practices: A case study. Proceedings of the 12th Forestry and Environmental Symposium, Kalutara. 48–49.
117
Sirisena, N. D. C., Atapattu, N. S. B. M., Sulthanbawa, Y., Serasinha, R. T., & Madage, S. (2006). Substitution of fish meal with fish silage in broiler finisher diets. Proceedings of the 7th Annual Research Session of Agriculture Graduates. 52–56.
118
Atapattu, N. S. B. M., & Sirisena, N. D. C. (2006). The effects of dietary physical form and phytase supplementation on feed retention time in broilers. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 46.
119
Atapattu, N. S. B. M., & Gamage, V. L. G. (2006). Water intake of broiler chicken as affected by dietary microbial phytase. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 184.
120
Kaliyadasa, P. E., & Atapattu, N. S. B. M. (2006). Effect of broiler litter combined potting media on growth and yield performances of spinach (Basella alba). Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 175.
121
Atapattu, N. S. B. M., Gajaweera, C. J., Chandana, G. A., & Paththinige, S. S. (2006). Effects of dietary rice bran level on the quality and quantity of broiler litter. Proceedings of the 62nd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 185.
122
Atapattu, N. S. B. M., Senaratne, D., & Sirisena, N. D. C. (2006). Suitability of some agro-industrial by-products as litter material for poultry: physio-chemical properties. Proceedings of the 11th International Forestry and Environment Symposium, Wadduwa. 42.
123
Atapattu, N. S. B. M. (2006). Eutrophication and Poultry Industry: Issues, challenges and opportunities. Proceedings of the 11th International Forestry and Environment Symposium, Wadduwa. 39.
124
Senaratna, D., Atapattu, N. S. B. M., Lakmini, W. G. D., Palihakkara, I. R., & Piyadigama, B. (2006). Behaviour of cattle in an agro-forestry system. Proceedings of the 11th International Forestry and Environment Symposium, Wadduwa. 11.
125
Atapattu, N. S. B. M. (2006). Rice Bran: Potentials and Constraints as a Poultry Feed Ingredient. Proceedings of the 10th Anniversary International Symposium, Sabaragamuwa University. 59.
126
Mudalige, S. K. K., Atapattu, N. S. B. M., Rangoda, B. P., & Abeywickrama, L. M. (2006). Parental Attitude towards some Issues Pertaining to University Education. Proceedings of the 4th Academic Sessions, University of Ruhuna. 1.
127
Abeywickrama, L. M., Atapattu, N. S. B. M., & Mudalige, S. K. K. (2006). De-escalating conflicts through sharing responsibilities: A case in Faculty of Agriculture of University of Ruhuna. Proceedings of the 3rd Academic Sessions, University of Ruhuna. 31.
128
Atapattu, N. S. B. M. (2005). Ruminants and Greenhouse Gases: Sustainable Feeding Strategies to Balancing the Issues. Proceedings of the 10th Annual Forestry and Environmental Symposium. 42.
129
Senarathne, D., Serasinghe, R. T., Pathirana, K. K., & Atapattu, N. S. B. M. (2005). Effects of grazing on some physiochemical properties in integrated farming systems. Proceedings of the 10th Annual Forestry and Environmental Symposium. 66.
130
Senarathne, D., Serasinghe, R. T., Pathirana, K. K., & Atapattu, N. S. B. M. (2005). Effects of buffalo grazing on plant species diversity in a coconut-pasture integrated system. Proceedings of the 10th Annual Forestry and Environmental Symposium. 67.
131
Atapattu, N. S. B. M. (2005). A case study on free-range poultry rearing system in Matara District. Proceedings of the 61st Annual Sessions of the Sri Lanka Association for the Advancement of Science. 29–30.
132
Atapattu, N. S. B. M., Serasinghe, R. T., & Abeynayaka, K. P. (1998). Proximate composition of some non conventional ruminant feeds. Proceedings of the 54th Annual Sessions of the Sri Lanka Association for the Advancement of Science. 133.
133
Atapattu, N. S. B. M., Serasinghe, R. T., & Sarathchandra, H. (1997). Effects of inoculation on initial growth and nodulation of tropical tree legume Gliricidia sepium. Proceedings of the 53rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. 150.
134
Pathirana, K. K., Serasinghe, R. T., & Atapattu, N. S. B. M. (1995). Feeding of Straw, Tree legume and concentrates for Increased Production with Cattle Grazing under Small Farm Conditions. Proceedings of the 51st Annual Sessions of the Sri Lanka Association for the Advancement of Science. 147–149.