| 湖北白猪优质系选育进展报告 |
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| 引用本文： | 孙华,;宋忠旭,;彭先文,;董斌科,;雷彬,;陈明银,;刘心建,;梅书棋. 湖北白猪优质系选育进展报告[J]. 养猪, 2014, 0(6): 73-75 |
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| 作者姓名： | 孙华, 宋忠旭, 彭先文, 董斌科, 雷彬, 陈明银, 刘心建, 梅书棋 |
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| 作者单位： | [1]湖北省农业科学院畜牧兽医研究所,湖北武汉430064; [2]武汉市江夏区畜牧兽医局,武汉430200; [3]武汉市江夏区动物疫病预防控制中心,武汉430200 |
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| 基金项目： | 国家科技支撑计划项目（2011BAD28B01）;国家生猪产业技术体系项目（CARS-36）;湖北省农业科技创新中心创新团队项目（2011-620-001-003）;湖北省公益性科技研究（2013BBB15）;动物胚胎工程及分子育种湖北省重点实验室（2010ZD100-109） |
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| 摘 要： | 为充分利用地方猪种资源,培育优质、高效的专门化母本新品系,以长白猪、梅山猪、通城猪和湖北白猪为遗传资源,进行了湖北白猪新品系的选育。经过6个世代持续选育,各品种在品系的血统比例分别为45.15%、23.39%、7.08%和24.38%。湖北白猪优质系初产母猪产仔数达12.13头/窝,经产母猪达13.52头/窝,经产母猪产活仔数12.74头/窝;肥育期平均日增重达到621.39 g,达90 kg体重日龄为179.26 d,料重比3.15。90 kg体重阶段屠宰率为74.96%,屠体背膘厚为2.64cm,瘦肉率为58.69%,眼肌面积为38.02 cm2,肌内脂肪含量3.05%。
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| 关 键 词： | 湖北白猪优质系 贡献率 繁殖性能 肥育性能 胴体性能 |
Breeding of Hubei White Pig High Quality Line |
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| Affiliation: | SUN Hua, SONG Zhongxu, PENG Xianwen, DONG Binke, LEI Bing, CHEN Mingyin, LIU Xinjian, MEI Shuqi (1.Hubei Institute of Animal and Veterinary Science,Wuhan 430064,China; 2.Jiangxia Bureau of Animal Husbandry and Veterinary Medicine,Wuhan 430200,China; 3.Jiangxia Center of Animal Disease Control and Prevention,Wuhan 430200,China) |
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| Abstract: | In order to fully utilizing native pig resources and breeding specialized maternal line with high quality and performance,the Hubei white pig high quality line was bred with the resources of Landrace pig,Meishan pig, Tongcheng pig and Hubei white pig.The results showed that after 6 generations breeding,the blood percentage of the four breeds were 45.15%,23.39%,7.08% and 24.38%,respectively.The litter size at the first parity of Hubei white pig high quality line was 12.13.The litter size and live litter of multiparous sows was 13.52 and 12.74, respectively.The average daily gain,age at 90 kg body weight and feed transfer ratio was 621.39 g/d, 179.26 d and 3.15,respectively.The dressing percentage,fat thickness,lean meat percentage,eye muscle area and intramuscle fat percentage was 74.96%,2.64 cm,58.69%,38.02 cm2 and 3.05%,respectively. |
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| Keywords: | Hubei white pig high quality line contribution rate reproductive performance growth performance carcass performance |
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