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作 者:朱中胜 孙建武 李吕木[1] 李珊[1] 刘平 蔺和泰 许明 鲁陈[1] 卫爱莲
机构地区:[1]安徽农业大学动物科技学院,安徽合肥230036 [2]安徽省青阳县动物疫病预防与控制中心,安徽青阳242800 [3]青阳县平云牧业开发有限公司,安徽青阳242800 [4]马鞍山市博望区科技局,安徽博望243131
出 处:《西北农林科技大学学报(自然科学版)》2017年第4期11-16,共6页Journal of Northwest A&F University(Natural Science Edition)
基 金:国家富民强县项目(2014)
摘 要:【目的】研究63~105日龄雌性皖南三黄鸡维持和增重的代谢能(ME)及粗蛋白质(CP)需要量,为其饲养标准的制订提供参考数据。【方法】选取128只63日龄雌性皖南三黄鸡随机分为4组,每组4个重复,每个重复8只,单独笼养,分别饲喂100%,80%,60%和40%(接近维持需要)自由采食量的日粮,105日龄屠宰,运用比较屠宰法评估ME和CP维持需要量。选取48只63日龄雌性皖南三黄鸡随机分为6组,每组8只,单独笼养,自由采食,分别于70,77,84,91,98和105日龄屠宰,测定体粗蛋白质和体能量含量,计算增重的ME和CP需要量。【结果】63~105日龄雌性皖南三黄鸡每千克代谢体质量维持ME需要量为357.50kJ,CP为1.61g,体质量每增加1g ME需要量为64.40kJ,CP需要量为1.20g。【结论】确定了63~105日龄雌性皖南三黄鸡ME、CP的日需要量分别为792.30kJ和11.53g,饲粮的ME、CP营养需要量分别为10.60 MJ/kg和15.42%。[Objective] This experiment was conducted to study the requirement of crude protein (CP) and metabolizable energy (ME) of female Wannan three-yellow chicks format the age of 63 to 105 days. [Method] A total of 128 63-day-old female Wannan three-yellow chicks with similar body weigh were ran-domly divided into four feed levels (100%,80%,60% and 40% libitum consumption) with four replicates each level and 8 chicks each replicate. Chicks were slaughtered at the age of 105 days and requirements of CP and ME were determined by the comparative slaughter method. A total of 48 63-day-old female Wannan three yellow chicks were randomly distributed into 6 groups with 8 chicks in each group and were fed on li-bitum. Eight chicks body CP and body e were slaughtered at the ages of 70,77,84,91,98, nergy were measured for the calculation of ME and and 105 days, respectively, and their CP requirements. [Result] For 63-105-day-old female Wannan three-yellow chicks, maintenance requirements of ME and CP were 357. 50 kJ/kg body weight and 1.61 g/kg body weight,respectively. Weight gain requirements of ME and CP were 64.40 kJ/g and 1.20 g/g,respectively. [Conclusion] The ME and CP daily requirements of female Wannan three-yellow chicks at the age of 63 to 105 days were 792.30 kJ and 11.53 g,and dietary ME and CP requirements were 10.60 MJ/kg and 15.42%.
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