This study explored active immunization against cholecystokinin in layinghens and the effect of nutrition and physiology.

 
  • 本试验用胆囊收缩素(CCK)作抗原,主动免疫产蛋鸡,研究产蛋鸡血清和卵黄中CCK特异性抗体的产生规律;
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