지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
This study evaluated the effects of stocking density on performance and behavioral activities of 35-day-old broilers in relation to incandescent white bulb (IB) light and LED yellow and white light. A total of 1,650 day-old chicks were weighed and randomly allocated into six treatment groups in a 2 × 3 factorial arrangement based on stocking density (14 birds m<SUP>—2</SUP> and 22 birds m<SUP>—2</SUP>) and color of lights (IB; monochromatic LED yellow and white light) with five replicates for each treatment. The results showed that final body weight, weight gain and feed conversion of broilers were improved at a stocking density of 14 birds m<SUP>—2</SUP> with exposure to LED lights. Similarly, broilers spent more time exhibiting inactive behavior (e.g. standing) and active behaviors (e.g. walking and walking plus pecking) under 14 birds m<SUP>—2</SUP> with exposure to lights as compared that of other treatment groups. Regarding a stocking density of 22 birds m<SUP>—2</SUP>, broilers performance traits were negatively affected and also activities were less. The performance of broilers was not significantly altered for the main factor of different lights but broilers were less inactive (e.g less time spent sitting plus standing) and more time spent active behavior in walking under IB light than LED light. Thus, we concluded that a stocking density 14 birds m<SUP>—2</SUP> with exposure to LED light significantly improved broiler performance and behavioral activity and these conditions could therefore improve the overall welfare of farmed chickens.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (28)
참고문헌 신청
Abudabos AM / 2013 / Imapct of stocking density on the performance and welfare of broiler chickens / Ital J Anim Sci 12(1):e11
Biligili SF / 1995 / Placement density influences broiler carcass grade and meat yields / J Appl Poult Res 4(4):384~389
Dozier III WA / 2005 / Stocking density effects on growth performance and processing yields of heavy broilers / Poult Sci 84(8):1332~1338
Dozier III WA / 2006 / Stocking density effects on male broilers grown to 1.8 kilograms of body weight / Poult Sci 85(2):344~351
Estevez I / 2007 / Density allowances for broilers: where to set the limits? / Poult Sci 86(6):1265~1272
Biligili SF / 1995 / Placement density influences broiler carcass grade and meat yields / J Appl Poult Res 4(4):384~389
Dozier III WA / 2005 / Stocking density effects on growth performance and processing yields of heavy broilers / Poult Sci 84(8):1332~1338
Dozier III WA / 2006 / Stocking density effects on male broilers grown to 1.8 kilograms of body weight / Poult Sci 85(2):344~351
Estevez I / 2007 / Density allowances for broilers: where to set the limits? / Poult Sci 86(6):1265~1272
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Effects of Dietary Black Soldier Fly Concentrations on Growth Performance and Relative Organ Weight in Broiler Chickens
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UCI(KEPA) : I410-ECN-0101-2020-527-000233990