三批1500羽肉鸭雏鸭母源抗体消长规律的试验表明，雏鸭母源抗体水平高低及维持时间长短与父母代抗体水平高低呈正比。
The dynastic indicated that the maternal antibody level and its maintenance time of 1500 meat ducklings from three groups paralleled to that of their parents.
采用IHA实验方法监测猪瘟灭活疫苗免疫的猪抗体产生水平，并对仔猪母源抗体的消长规律进行了研究。
Antibodies in swine induced by classical swine fever inactivated vaccines were evaluated by IHA test, and the maternal antibodies in piglets were studied.
采用IHA实验方法监测猪瘟灭活疫苗免疫的猪抗体产生水平，并对仔猪母源抗体的消长规律进行了研究。
Antibodies in swine induced by classical swine fever inactivated vaccines were evaluated by IHA test, and the maternal antibodies in piglets were studied.
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