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NTIS 바로가기한국가금학회지 = Korean journal of poultry science, v.42 no.3, 2015년, pp.257 - 265
황보종 (농촌진흥청 국립축산과학원 가금과) , 양영록 (경상대학교 축산학과) , 윤형숙 (경상대학교 축산학과) , 김지민 (경상대학교 축산학과) , 박병성 (강원대학교 동물생명과학과) , 최희철 (농촌진흥청 국립축산과학원 가금과) , 최양호 (경상대학교 축산학과)
Heat conditioning at an early age has been known to help chickens cope with heat stress later in life. The present study was conducted to determine the effects of heat conditioning at 5 days of age in broilers repeatedly exposed to high ambient temperature later in life. A total of 256 day-old Arbor...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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고온환경은 어떤 요인인가? | 고온환경은 가금 산업에서 스트레스를 유발하는 중요한 요인 중 하나이다(Lin et al., 2006). | |
고온환경에 대한 저항능력 향상을 위한 사전 고온 적응은 무엇인가? | 가금에서 고온환경에 대한 저항능력을 향상시키기 위한 방법의 하나로 사전 열적응이 보고되고 있다. 사전고온 적응이란 부화과정에 있는 배아나 감온 과정에 있는 초생추를 36∼39℃ 정도의 온도에 일정시간 동안 노출시켜 성장 이후에 이들이 고온에 다시 노출되었을 때 열 저항성을 갖게 하도록 하는 온도 조작과정이다(Arjona et al., 1990; Collin et al. | |
성숙한 닭의 체온은 몇 도 인가? | , 2006). 성숙한 닭의 체온은 42℃ 정도로 포유동물보다 높으며(Kadono and Besch, 1978), 닭의 피부에는 땀샘이 없으므로 피부 표면에서 증발을 통해 체 열을 발산시킬 수가 없다. 따라서 과다한 체열 발생의 대부분을 호흡으로 배출해야 한다(Richards, 1970). |
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Collin A, Berri C, Tesseraud S, Rodon FE, Skiba-Cassy S, Crochet S, Duclos MJ, Rideau N, Tona K, Buyse J, Bruggeman V, Decuypere E, Picard M, Yahav S 2007 Effects of thermal manipulation during early and late embryogenesis on thermotolerance and breast muscle characteristics in broiler chickens. Poult Sci. 86:795-800.
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Kadono H, Besch EL 1978 Telemetry measured body temperature of domestic fowl at various ambient temperatures. Poult Sci. 57:1075-1080.
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May JD 1995 Ability of broilers to resist heat following neonatal exposure to high environmental temperature. Poult Sci. 74:1905-1907.
Ministry of Public Safety and Security. Daily briefing on public safety management released on August 19, 2015. http://www.safekorea.go.kr/dmtd/contents/room/stat/DaySityReptDetail.jsp?q_menuidM_NST_SVC_01_02_01&rept_seq463749&q_string&q_strdate&q_enddate&pageNo3(Accessed August 20, 2015).
Niu ZY, Liu FZ, Yan QL, Li WC 2009 Effects of different levels of vitamin E on growth performance and immune responses of broilers under heat stress. Poult Sci. 88:2101-2107.
Northcutt JK, Foegeding EA, Edens FW 1994 Water-holding properties of thermally preconditioned chicken breast and leg meat. Poult Sci. 73:308-316.
Prieto MT, Campo JL 2010 Effect of heat and several additives related to stress levels on fluctuating asymmetry, heterophil: Lymphocyte ratio, and tonic immobility duration in white leghorn chicks. Poult Sci. 89:2071-2077.
Quinteiro-Filho WM, Ribeiro A, Ferraz-de-Paula V, Pinheiro ML, Sakai M, Sa LR, Ferreira AJ, Palermo-Neto J 2010 Heat stress impairs performance parameters, induces intestinal injury, and decreases macrophage activity in broiler chickens. Poult Sci. 89:1905-1914.
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