《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (3): 832-838.doi: 10.16431/j.cnki.1671-7236.2017.03.030

• 遗传繁育 • 上一篇    下一篇

湘白鹅生长发育规律及产肉性能的研究

曲湘勇1, 陈继发1, 梁韡1, 何俊1, 蒋隽1, 汤恩平2, 戴建华2   

  1. 1. 湖南农业大学动物科学技术学院, 湖南畜禽安全生产协同创新中心, 长沙 410128;
    2. 湖南省天鹅湖生态农业科技发展有限责任公司, 湘潭 411101
  • 收稿日期:2016-07-20 出版日期:2017-03-20 发布日期:2017-03-21
  • 通讯作者: 曲湘勇 E-mail:quxy99@126.com
  • 作者简介:曲湘勇(1962-),男,湖南长沙人,博士,教授,研究方向:家禽育种与健康养殖
  • 基金资助:

    湖南农业大学产学研合作项目(11110、13098)

Study on Growth and Development Law and Meat Performance in Xiang White Goose

QU Xiang-yong1, CHEN Ji-fa1, LIANG Wei1, HE Jun1, JIANG Juan1, TANG En-ping2, DAI Jian-hua2   

  1. 1. Hunan Collaborative Innovation Center of Animal Production Safety, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Hunan Swan Lake Ecological Agriculture Science and Technology Development Co., Ltd., Xiangtan 411101, China
  • Received:2016-07-20 Online:2017-03-20 Published:2017-03-21

摘要:

试验旨在研究湘白鹅的生长发育规律及产肉性能。选用雌、雄湘白鹅各50只,分别在0~12周龄称重,利用Logistic曲线方程对雌、雄湘白鹅各周龄的体重变化进行拟合;12周龄时随机挑选雌、雄湘白鹅各8只屠宰,测定体尺指标及产肉性能。结果表明:①湘白鹅1~6周出现体重增长高峰,7~12周相对稳定;4周龄后,雄鹅体重显著(P<0.05)或极显著(P<0.01)高于雌鹅;雌、雄鹅Logistic生长曲线模型的拟合度均高达0.988以上,雌鹅生长曲线拐点为5周龄,雄鹅为5.2周龄;雌、雄鹅4周龄体重与12周龄体重的相关系数分别为0.512、0.561(P<0.01)。②12周龄雄鹅的体斜长、龙骨长、胫长和半潜水长均高于雌鹅,差异显著(P<0.05)。③12周龄雄鹅活重显著大于雌鹅(P<0.05)。④湘白鹅屠宰率、全净膛率、胸肌率和腿肌率分别为88.25%、67.93%、13.03%和13.76%。综合以上结果,湘白鹅生长较快,产肉性能良好,雌、雄鹅生长发育、体尺指标及产肉性能之间存在一定差异,雄鹅优于雌鹅。

关键词: 湘白鹅; 生长曲线; 体尺; 产肉性能

Abstract:

The study was aimed to reveal the rule of growth and development and meat performance in Xiang White goose. 100 healthy Xiang White geese (50 male and 50 female) were selected and weighed during 0 to 12 weeks of age for study the growth and development by using Logistic model. 8 geese in each gender were slaughtered at age of 12-week and the body size index and meat yield performance were measured. The results showed as follows:① Xiang White goose grew rapidly in 1 to 6 weeks, and the increase of body weight was relatively stable during 7 to 12 weeks. After 4 weeks of age, the body weight of male goose were significantly (P<0.05) or extremely significantly (P<0.01) higher than the female. The fitting rates of Logistic model were over 0.988 in both male and female goose. The inflection of growth curves of female goose was at age of 5 weeks, and the male was 5.2 weeks. The correlation coefficient between the body weights at age of 4 weeks and 12 weeks were 0.512,0.561 in male and female goose, respectively (P<0.01).②The body length, keel length, tibia length and half-length diving of male goose at age of 12 weeks were significantly higher than the female (P<0.05).③The live body weight of male goose at age of 12 weeks was significantly greater than the female (P<0.05). ④The slaughter rate, eviscerated percentage, breast muscle rate, leg muscle rate of Xiang White goose were 88.25%, 67.93%, 13.03% and 13.76%, respectively. In conclusion, Xiang White goose grew fast, and had a good performance of meat production. The growth and development, body size and slaughter performance of male goose were better than the female.

Key words: Xiang White goose; growth cruve; body measurement; meat performance

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