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Effects of nutrition level of concentrate-based diets on growth performance and carcass characteristics of Hainan black goats

文献类型： 外文期刊

作者： Wang, Dingfa 1 ; Zhou, Luli 1 ; Zhou, Hanlin 1 ; Hou, Guanyu 1 ; Li, Mao 1 ; Shi, Liguang 1 ; Huang, Xianzhou 1 ; Guan, S 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou 571737, Hainan, Peoples R China

关键词： Hainan black goats;Growth performance;Carcass characteristics;Insulin-like growth factor

期刊名称：TROPICAL ANIMAL HEALTH AND PRODUCTION （ 影响因子：1.559； 五年影响因子：1.681 ）

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收录情况： SCI

摘要： This study assessed the effects of different nutrition levels of diets on growth performance and carcass characteristics of Hainan black goat. Twenty-four goats were divided into six diet treatments, which consisted of two levels of crude protein (CP; 15 and 17 %) and three levels of digestive energy (DE; 11.72, 12.55, and 13.39 MJ/kg). The results revealed that 17 % CP significantly (P < 0.05) increased ADG and improved FCR compared with 15 % CP. Therefore, the CP levels of diet affected growth performance. CP and DE levels in the diet had no significant effects (P > 0.05) on carcass characteristics of the goats. The mRNA expression levels of insulin-like growth factor 1 in muscle tissues increased with increasing CP and DE levels (P < 0.05).

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