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贵州半细毛羊淘汰公羔舍饲育肥试验报告

邱家陵,刘章忠,周平, 林军,刘兰, 龙波, 杨洪旭,荣兵

Contemporary Animal Husbandry（2017）

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Abstract
为了加快畜群周转速度,提高草地载畜量,威宁县种羊场利用本场淘汰公羔开展60 d舍饲育肥试验.结果表明,育肥羊日增重随精料喂量的增加而增加,试验Ⅰ组日增重显著高于对照组(P＜0.05);试验Ⅱ组日增重极显著高于对照组(P＜0.01);试验Ⅲ组日增重高于对照组,但差异不显著(P＞0.05).试验Ⅱ组高于试验Ⅰ组,但差异不显著(P＞0.05);试验Ⅱ组显著高于试验Ⅲ组(P＜0.05).育肥效益试验组均低于对照组,每只羊低18.4元～32.3元.若考虑到舍饲育肥人工成本低于放牧育肥,则舍饲育肥效益高于放牧育肥效益.
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