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时间:2020-03-25
《小尾寒羊在广东湛江地区的适应性研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、南方农业学报JOURNAL0FSOUTHERNAGRICULTURE2013,44(12):2094—2097ISSN2095—1191;CODENNNX从Bhttp:I/www.nfnyxb.cnDOI:10.3969/j:issn.2095-1191.2013.12.2094小尾寒羊在广东湛江地区的适应性研究王凯8,杨青春8,陈俊鹏a,刘艳芬8,刘铀"(广东海洋大学8农学院;6生化中心:广东湛江524088)摘要:【目的】观测小尾寒羊在广东湛江地区的生长发育和繁殖性能,为推动小尾寒羊在亚热带地区的发展提供理论依据。【方法】采用对比
2、方法分析小尾寒羊原产区(山东济宁市)与引入地(广东湛江市)生态、饲养条件及小尾寒羊生长发育、繁育性能等指标的差异。【结果】广东湛江地区气候炎热、潮湿,但饲料资源明显优于小尾寒羊原产区。引入湛江地区的小尾寒羊生长速度与原产区基本相同,具有较高的遗传稳定性,只要能满足其营养需要,就能发挥出良好的生产性能。小尾寒羊在广东湛江地区继续保持了原产区常年发情、性成熟早、多胎、繁殖力高的优良特性,可达到一年两胎或两年三胎。【结论】在亚热带地区推广小尾寒羊养殖是可行的。关键词:小尾寒羊;适应性;生长发育;繁殖性能;广东湛江地区中图分类号:$826.9
3、5文献标志码:A文章编号:2095—1191(2013)12—2094—04AdaptabilityofSmall-tailHanSheepinZhanjiang,GuangdongprovinceWANGKai8,YANGQing—chun8,CHENJun—pen98,LIUyan-fen8,LIUYou5+(aAgricuhuralCollegeofGuangdongOceanUniversity,Zhanjiang,Guangdong524088,China;“ModemBiochemistryExperimentalCent
4、erofGuangdongOceanUniversity,Zhanjiang,Guangdong524088,China)Abstract:【Objective]ThegrowthcharactersandreproductiveperformancesofSmall—tailHanSheepinZhanjiangareawerestudiedtoprovidetheoreticalreferencesforbreedingSmaH—tailHanSheepinsubtropicalarea.【Method]Thedifference
5、softheecologicalandraisingconditions,thegrowthandbreedingofSmall-tailHanSheepperformancesbetweenthenativearea(Jining,Shandong)andtheintroducedarea(Zhanjiang,Guangdong)werecompared.【Result]ThehightemperatureandhumidclimateconditionsofZhanjiangareaweresignificantlydiffere
6、ntfromJiningarea,buttheabundantforageresourceoftheintroducedareawasanobviousadvantage.TheSmall-tailHanSheepcanadapttohightemperatureandhumidclimateconditionsofZhanjiang.NosignificantdifferencesoftheproductionperformancewereseenbetweenZhanjiangandthenativeregion.Thehighg
7、rowthrateandgeneticstabilityoftheSmall—tailHanSheepinZhanjiangwerealmostthesanlewiththenativearea.Theadvantagesincludingperennialoestrus,earlysexualmaturity,litter-beating,andhighfecundity(twoorthreefetusperyear)oftheintroducedsheepwerewellpreserved.【Conclusion]Itcanbei
8、nferredthatraisingSmall-tailHanSheepinthesubtropicalareaisfeasible.Keywords:Small—tailHanSheep;adaptability;gr
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