取死于具有小鹅瘟典型症状的7日龄吉林白鹅脾脏,制成乳剂,接种于未免疫小鹅瘟疫苗的健康母鹅所产种蛋的12日龄鹅胚尿囊腔。
With 12 days goose embryo produced by healthy geese, a strain of virus was isolated from the spleen of 7 days old gosling died from gosling plaque.
采用单因子设计,以吉林农业大学白鹅为试验动物,研究了不同纤维源对鹅生长性能的影响。
Jilinnongda geese were used as experimental animals to study the effect of different fiber resources on growth performance of geese.
采用单因子设计,以吉林农业大学白鹅为试验动物,研究了不同纤维源对鹅生长性能的影响。
Jilinnongda geese were used as experimental animals to study the effect of different fiber resources on growth performance of geese.
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