Abstract:

In order to study the effect of female geese with different egg laying rates on the fertilization rate of male geese under natural mating conditions, and to explore the synchronization of breeding geese, we selected 297 healthy adult Huoyan geese and 198 Carlos geese from the same batch, and divided the geese randomly into 3 groups with 3 repetitions in each group, and fed the geese in groups according to the ratio of 1 male: 4 females. The experiment set up hybrid group of Carlos male goose and Huoyan female goose (33 Carlos♂ and 132 Huoyan geese♀, KH group), Huoyan goose breed group (♂33 and ♀132, HH group) and Carlos goose breed Group (♂33 and ♀132, KK group), and measured and analyzed the egg laying rate and egg fertilization rate. The results showed that the egg laying rate of Huoyan goose was significantly higher than that of Carlos goose (P<0.05); the correlation coefficients between egg laying rate and fertilization rate of KH and KK groups were R=0.902 (P<0.01) and R=0.789 (P<0.01), respectively; and the egg laying rate of Huoyan goose increased the reproductive performance of Carlos male goose (P<0.05). The study shows that Huoyan female goose in the egg laying period can stimulate the male goose to maintain certain fertilization ability, and improve the reproductive performance of the male goose in the ceased period.

Key words: Huoyan goose, egg laying rate, fertilization rate, Carlos goose