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Anim Reprod Sci. 2019 May;204:86-94. doi: 10.1016/j.anireprosci.2019.03.008. Epub 2019 Mar 15.

Comparisons in geese of the courtship, mating behaviors and fertility of the Carlos and Sichuan breeds and the breed crosses.

Author information

1
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: yuzhang@yzu.edu.cn.
2
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: yy_ahtc@163.com.
3
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: 1026948619@qq.com.
4
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: 18252715914@163.com.
5
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: gtt19931029@126.com.
6
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: caozhengfeng1991@163.com.
7
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: 1501906070@qq.com.
8
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: 30498993@qq.com.
9
College of Animal Science and Technology, Sichuan Agricultural University, Yaan, Sichuan, 625014, China. Electronic address: wjw2886166@163.com.
10
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: ghchen@yzu.cn.
11
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: xuqi@yzu.cn.
12
College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu Province, 225009, China. Electronic address: wmzhao@yzu.edu.cn.

Abstract

The Chinese goose originated from the swan goose (Anser cygnoides) and the European goose originated from the greylag goose (Anser anser). The Chinese and European geese have the potential to crossbreed. Whether interspecific differences in mating behaviors affect successful hybridization is unknown. In this study, 10-month-old Carlos geese (n = 120; Anser anser) and Sichuan geese (Anser cygnoides) were selected, and 12 multi-male parent families (3♂+12♀) were established. The courtship and mating behaviors of pure and cross-bred combinations of the Carlos and Sichuan geese were recorded using video cameras. Initiative courtship by males was the main type of courtship. Fixed mating, mating interference, and uncooperative mating were common in the flocks. The frequencies of some courtship and mating behaviors were less in the cross-bred groups (Carlos ganders × Sichuan geese, Sichuan ganders × Carlos geese) compared with the Sichuan pure-bred groups (P < 0.05). The Carlos male geese had some unique mating behaviors (i.e., one-to-one mating, formation of distinct hierarchies, and competition interference). The fertility rate had a significant correlation with the frequency of successful mating (rp = 0.992, P < 0.05), rather than with the courtship behavior. These results indicate there were lesser frequencies of courtship and successful matings in the cross-breeding than purebreeding groups. Furthermore, the fertility rate depended largely on the successful mating behavior and was independent of the courtship behavior.

KEYWORDS:

Courtship behaviors; Fertility rate; Goose; Mating behaviors

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