| 肉鸭不同季节、不同月份代谢能需要量及析因模型比较研究 |
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| 引用本文： | 窦文洁,杨在宾,杨维仁,姜淑贞,张桂国.肉鸭不同季节、不同月份代谢能需要量及析因模型比较研究[J].饲料工业,2011,32(15). |
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| 作者姓名： | 窦文洁 杨在宾 杨维仁 姜淑贞 张桂国 |
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| 作者单位： | 山东农业大学动物科技学院,271018 |
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| 摘 要： | 研究结合生产实践,采用大群生产试验方法,对标准化饲养的8 540栋鸭舍,健康同源樱桃谷商品鸭苗3 094.4万只,按统一饲养方式和管理程序进行生产试验,结果表明,樱桃谷肉鸭地面平养饲养模式下,春、夏、秋、冬四个季节的代谢能维持需要为每千克代谢体重455.1、305.5、342.8、541.7 kJ,每增重1 kg需要代谢能为16.97、19.86、19.65、15.95 MJ。各季节之间代谢能维持需要量为冬季>春季>秋季>夏季;代谢能增重需要量为夏季>秋季>春季>冬季。按照月份统计,樱桃谷肉鸭代谢能维持需要8月份最低,5月份最高;增重需要8月份最高,5月份最低。研究结果表明,樱桃谷肉鸭地面饲养模式下,夏季代谢能维持需要最低,冬季最高;冬季代谢能增重需要最低,夏季最高。不同季节代谢能需要量可以用以下析因模型预测:春季:MER=16.97BGW+0.455W0.75;夏季:MER=19.86BGW+0.305W0.75;秋季:MER=19.65BGW+0.343W0.75;冬季:MER=15.95BGW+0.542W0.75。式中:MER为肉鸭代谢能需要量(MJ/d);BGW为活体增重(kg);W0.75为代谢体重(kg)。
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| 关 键 词： | 季节 肉鸭 代谢能 营养需要 析因模型 |
Study on metabolizable energy requirements and factorial model of cheery valley ducks in different seasons and months |
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| Dou Wenjie,Yang Zaibin,Yang Weiren,Jiang Shuzhen,Zhang Guiguo.Study on metabolizable energy requirements and factorial model of cheery valley ducks in different seasons and months[J].Feed Industry,2011,32(15). |
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| Authors: | Dou Wenjie Yang Zaibin Yang Weiren Jiang Shuzhen Zhang Guiguo |
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| Institution: | Dou Wenjie,Yang Zaibin,Yang Weiren,Jiang Shuzhen,Zhang Guiguo |
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| Abstract: | In this paper,a large group of 30.944 million cherry valley ducks were bred and managed in the same way in 8 540 standardized duck sheds in order to study metabolizable energy requirements and factorial model in different seasons and months.The results indicated that metabolizable energy maintenance requirements were 455.1、305.5、342.8、541.7 kJ/kgW0.75 in spring,summer,autumn,winter,respectively.The requirements of metabolizable energy on weight gain were 16.97、19.86、19.65、15.95 MJ/kgBGW.For different months,the metabolizable energy maintenance requirements were lowest in August and highest in May;while the requirements on weight gain were clashing.The factorial models of metabolizable energy maintenance requirements in different seasons of cherry valley ducks were predicted as follows,MER=16.97BGW + 0.455W0.75 in spring,MER=19.86BGW +0.305W0.75 in summer,MER=19.65BGW +0.343W0.75 in autumn,and MER=15.95BGW + 0.542W0.75 in winter.MER,BGW and W0.75 in these equations indicated metabolizable energy requirements of cherry valley ducks(MJ/d),live weight gain(kg/d) and metabolic body weight(kg). |
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| Keywords: | seasons ducks metabolizable energy nutrient requirements factorial model |
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