经产二元杂母猪体尺性状与产仔性能的相关性分析
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摘要
为了研究经产二元杂母猪体尺性状与产仔性能之间的相关性,试验选择2～6胎的经产美系二元杂母猪351头,对其预产期前3天的胸宽、臀宽、胸围、腹围4个体尺性状和总产仔数、产活仔数、活仔窝重3个产仔性状进行测定和分析。结果表明:母猪体尺性状与总产仔数、产活仔数、活仔窝重等产仔性能具有一定的相关性,其中臀宽和腹围对产仔性能的影响最大;胸宽、臀宽与产仔性能呈负相关,胸宽≥35. 5～<41. 0 cm时母猪产仔性能最佳;臀宽≥34. 3～<39. 0 cm时母猪总产仔数、产活仔数最高;胸围过大或过小不利于母猪产仔性能的发挥,胸围>151. 0 cm时总产仔数、产活仔数和活仔窝重均最低;腹围与母猪产仔性能呈极显著正相关(P<0. 01),腹围越大母猪产仔性能越佳。生产中应注重对母猪体尺性状的选择和监测,可以在一定程度上提高母猪的产仔性能,提高经济效益。
In order to investigate the correlation between body size traits and litter performance in multiparous hybrid sows,351 dual hybrid sows with 2 to 6 births were selected in this test. They were measured and analyzed on 4 body size traits and total number born,number born alive and live litter weight. The results show that sow body size traits have a certain correlation with total number born,number born alive and live litter weight,among which hip width and abdominal circumference have the greatest effect on litter performance. The chest width of 35. 5-41. 0 cm is most beneficial to sow litter performance. The hip width of 34. 3-39. 0 cm have the highest total number born and number born alive. Too large or small chest circumference is not conducive to the reproduction performance of sows. As chest circumference > 151. 0 cm,the total number born,number born alive and live litter weight were all the lowest. There was a significant positive correlation between abdominal circumference and sow litter performance( P<0. 01),and the greater the abdominal circumference,the better the litter performance of sow is.Pig breeders should pay attention to the selection and monitoring of sows' body size traits,which can improve the reporoduction performance of sows and improve economic benefits.
In order to investigate the correlation between body size traits and litter performance in multiparous hybrid sows,351 dual hybrid sows with 2 to 6 births were selected in this test. They were measured and analyzed on 4 body size traits and total number born,number born alive and live litter weight. The results show that sow body size traits have a certain correlation with total number born,number born alive and live litter weight,among which hip width and abdominal circumference have the greatest effect on litter performance. The chest width of 35. 5-41. 0 cm is most beneficial to sow litter performance. The hip width of 34. 3-39. 0 cm have the highest total number born and number born alive. Too large or small chest circumference is not conducive to the reproduction performance of sows. As chest circumference > 151. 0 cm,the total number born,number born alive and live litter weight were all the lowest. There was a significant positive correlation between abdominal circumference and sow litter performance( P<0. 01),and the greater the abdominal circumference,the better the litter performance of sow is.Pig breeders should pay attention to the selection and monitoring of sows' body size traits,which can improve the reporoduction performance of sows and improve economic benefits.
引文
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[19]范振先,傅金恋,葛长利,等.英系大白猪母猪体况对繁殖性能的影响[J].中国畜牧杂志,2005,41(8):21-23.
[20]姚姣姣,田亮,胡健,等.妊娠母猪膘情对其繁殖性能的影响[J].动物营养学报,2014,26(6):1638-1643.
[2]张力,肖天放,邵良平.长白猪体尺性状与繁殖性状的典型相关分析[J].福建农林大学学报(自然科学版),2009,38(2):171-174.
[3]施坚.长白猪体尺性状与繁殖性状的典型相关分析[J].中国畜牧兽医文摘,2015,31(3):50,33.
[4]段绍艳,杨家亮,杨明方.后备猪的选育技术[J].中国畜禽种业,2009,5(4):45.
[5]王景梅,李枫.后备猪的选留及饲养管理[J].畜牧兽医科技信息,2007(12):82.
[6]沈君叶,俞英,王茜,等.母猪繁殖力性状影响因素分析及遗传参数估计[J].遗传,2012,34(5):591-596.
[7]曹建新,齐莹莹,王钰龙,等.品种、胎次等固定效应对种猪繁殖性状和生长性状影响的分析[J].黑龙江畜牧兽医,2017(11上):109-111.
[8]曹日亮,牛晓艳,石建中,等.晋汾白猪母猪繁殖性状的研究[J].黑龙江畜牧兽医,2016(08下):74-75,286.
[9]孟庆利,刘兴林,葛富涛,等.后备母猪和1胎、2胎母猪体尺相关指标研究[J].养猪,2017(4):31-32.
[10]张锁宇,王爱国,王胜,等.猪主要繁殖性状的遗传参数估计[J].中国畜牧杂志,2013,49(23):1-5.
[11]BUNTER K L,LEWIS C R G,NEWMAN S.Social genetic effects influence reproductive performance of group-housed sows1[J].JAnim Sci,2015,93(8):3783-3793.
[12]施辉毕,王立刚,梁晶,等.大白猪繁殖性状遗传参数估计及影响因素的效应分析[J].中国畜牧兽医,2015,42(6):1530-1537.
[13]金大春,金俊杰,金叶舟,等.窝产活仔数和初生重与仔猪早期断奶重及成活率的相关性研究[J].家畜生态学报,2014,35(1):21-24.
[14]丁月云,余大华,孟云,等.长白猪体尺性状与繁殖性状的典型相关分析[J].河南农业科学,2013,42(11):145-148.
[15]昌文林,刘正年,周智,等.多胎动物的子宫容量及其遗传选择[J].中国畜牧兽医,2008,35(11):94-97.
[16]吴珊.猪妊娠早期子宫和胎儿发育与PPAR-γ蛋白的表达定位[D].长沙:湖南农业大学,2013.
[17]韩海东,何学元.母猪子宫容量与产仔数的关系[J].黑龙江动物繁殖,2009,17(4):6.
[18]李定健.子宫容量对猪胎儿存活及发育的影响[J].黑龙江畜牧兽医,2015(11上):77-79.
[19]范振先,傅金恋,葛长利,等.英系大白猪母猪体况对繁殖性能的影响[J].中国畜牧杂志,2005,41(8):21-23.
[20]姚姣姣,田亮,胡健,等.妊娠母猪膘情对其繁殖性能的影响[J].动物营养学报,2014,26(6):1638-1643.