添加抗热应激物质对实验种兔繁殖性能的影响

Gansu Animal and Veterinary Sciences(2017)

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Abstract
南方长期高温,热应激对家兔特别是种兔的繁殖性能影响较大.试验在夏季高温季节进行,选择7~8月龄健康种母兔36只,随机分为对照组和3个试验组,对照组饲喂基础日粮,试验组在基础日粮中均添加VA?20?000?u/kg?+?VC?300?mg/kg,试验1~3组VE的添加量分别为40?mg/kg?、80?mg/kg?、120?mg/kg,添加时间为配种前后各1周,饲养90?d统计繁殖数据.试验结果表明:在种兔的饲料中添加VE?80?mg/kg并配合VA20?000?u/kg,VC?300?mg/kg的添加组效果最优,比对照组每只母兔平均产活仔兔增加2.67只,比VE?40?mg/kg组增加2.23只,对提高高温季节实验种兔的繁殖力效果明显.
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