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作 者:燕志宏[1] 田松军 申红艳[1] 毛同辉 冯文豪[1]
机构地区:[1]贵州大学动物科学学院,贵州贵阳550025 [2]贵州省紫云县畜牧水产局品改站,贵州紫云550800 [3]贵州省铜仁地区畜牧兽医局,贵州铜仁554300
出 处:《安徽农业科学》2010年第24期13107-13108,共2页Journal of Anhui Agricultural Sciences
基 金:贵州省科技计划项目黔科合NY字(2007)3007号项目
摘 要:[目的]研究宗地花猪1世代在初配前不同性别生长发育的规律性以及性成熟对宗地花猪生长发育的影响。[方法]选择宗地花猪公猪9头、母猪10头,在原生态的饲养条件下进行饲养。从双月开始,以月为阶段,对宗地花猪不同性别的生长发育进行测定,并观察、记录公、母猪性行为的外部表现。[结果]公猪初情期为(94.5±5.2)d,母猪初情为(104.0±4.8)d;在3月龄以前公猪和母猪的累积生长、绝对生长及体尺指标差异较小,3月以后上述指标母猪高于公猪,到6月龄母猪显著高于公猪(P<0.05)。[结论]宗地花猪1世代属性早熟地方品猪;6月龄母猪的生长发育比公猪强烈,物质积累旺盛,体格较大;性成熟对公猪体重的影响明显高于母猪。[Objective] The research aimed to study the regularity of the growth and development in 1 generation of Zongdi Hua pig. [Method] 9 boars and 10 sows were chosen,who were fed under the original ecological condition. The growth and development were determined monthly. [Result] The first estrous period of boar was (94.5±5.2) d and the first estrous period of sows was (104.0±4.8) d. There was low difference of accumulative growth,absolute growth and body measurements between boars and sows before 3 months. But the sow grew and developed obviously faster than the boar of 3-6 months. [Conclusion] 1 generation of Zongdi Hua pig was precocious sexual maturity breed. The sow grew and developed obviously faster than the boar. The effect of sexual maturity on the growth and development was more obvious for the boar.
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