Laying egg quality and hatchability of Xupu breeder geese in response to oral administration of GnRH analogue(LHRH-A3)
2008
He Xishun | Li Xiang | Zeng Min
chinois. 240日龄健康溆浦鹅种鹅180羽,随机分成5组,每组3个重复,每个重复12羽,1组为注射组(每隔10d注射LHRH-A3,10μg/羽),另外4组分别口服(拌料饲喂)0、5、10、15μg/羽LHRH-A3。经21d预试和60d试验,结果显示:口服10μg/羽LHRH-A3,溆浦鹅产蛋率显著提高;各口服处理组蛋品质、受精率、孵化率和健雏率无显著影响。
Afficher plus [+] Moins [-]anglais. One hundred and eighty Xupu breeder geese(240 d of age)were randomly assigned to one of five treatments with three replicates in each one(12 animals/replicant).Compared to injection treatment(10 μg per bird injected every 10 d),0 μg,5 μg,10 μg and 15 μg LHRH-A3 per bird were mixed with feed in other four treatments respectively.After 21 d pre-feeding and 60 d feeding,the results showed that the egg production of geese in 10 μg of oral treatment was significantly higher than that of 0 μg of treatment and there were no difference in egg quality, fertilization rate, hatchability and percentage of healthy gosling in all treatments of oral administration.
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