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小尾寒羊和萨福克羊杂交一代羔羊早期断奶效果观察研究

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摘要 通过对小尾寒羊(♀)X萨福克(♂)杂交一代羔羊40d、45d、50d、55d、60d断奶重、日增值以及断奶饲养至90d的平均日增重的研究,推断适合寒萨杂交一代羔羊早期断奶的合理时间.试验表明:杂交一代羔羊40d、45d断奶的羔羊在断奶至90d的平均日增重分别为0.220kg、0.212kg,差异不显著(P〉0.5),50d、60d断奶的羔羊在断奶至90d平均日增重为0.183kg、0.181kg,差异不显著(P〉0.5),但是,40d、45d断奶和50d、60d断奶的平均日增重差异显著(P〈0.5).因此,羔羊选择40d~45d择机断奶比较科学.
作者 成宝华
出处 《畜牧兽医科学(电子版)》 2018年第2期6-6,共1页 Graziery Veterinary Sciences:Electronic Version
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