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母猪发情鉴定“五步骤” 被引量:3

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摘要 母猪发情是一种复杂的生理现象,发情时的外阴变化和行为特征表现受到很多因素的影响。因此,在进行发情鉴定时,必须对这些变化和特征表现作综合分析,才能获得较准确的鉴定。笔者归纳总结了“一看、二听、三算、四按背、五综合”的发情鉴定方法。
作者 夏阳 陈丽
出处 《黑龙江动物繁殖》 2010年第4期21-22,共2页 Heilongjiang journal of animal reproduction
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  • 2郭海燕,吴德,张明,王延忠.营养水平对初产母猪妊娠早期胚胎存活和类胰岛素生长因子-Ⅰ、胰岛素、生长激素分泌的影响[J].动物营养学报,2007,19(2):105-111. 被引量:12
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