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文章推荐丨广州越秀农牧食品科技有限公司分析楼房猪场中品种、胎次对母猪繁殖性能的影响

  • 2026-02-06 23:14:13
文章推荐丨广州越秀农牧食品科技有限公司分析楼房猪场中品种、胎次对母猪繁殖性能的影响

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摘要:本研究旨在探讨在楼房猪场中,品种、胎次及配种季节对法系母猪繁殖性状的影响。以华南、西南地区共3个楼房猪场的33452头法系母猪数据为基础,采用R4.4.2软件统计大白母猪(YY)和长大二元母猪(LY)的分娩数据,并运用线性混合模型(LMM)分析不同生产线、品种、胎次及配种季节下繁殖性能的差异。结果表明,生产线、品种、胎次是显著影响繁殖性状的最主要因素。LY 二元母猪比YY 纯种母猪的窝均活仔数提高1.25%,窝均断奶数提高2.74%,窝均死胎数降低27.5%;第3 胎次总仔数和活仔数比第1、2、4、5 胎分别高3.07%、3.56%、0.6%、0.07%和3.52%、3.14%、0.86%、0%;春季母猪的总仔数比夏季、秋季、冬季分别高0.88%、1.02%、1.64%;261~280日龄首次配种母猪的总仔数和活仔数比≤200 日龄区间、201~220 日龄区间、221~240 日龄区间、241~260 日龄区间、≥281日龄区间分别高3.4%、2.76%、2.41%、1.02%、0.47%和4.59%、3.27%、2.21%、0.87%、0.51%。

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引用本文

邝伟键, 李玉林, 胡斌, 等. 楼房猪场中品种尧胎次及季节对法系母猪繁殖性能的影响[J]. 中国猪业, 2025, 20(3):23-31.

KUANG WJ, LI YL, HU B, et al. Effects of breed, parity, and season on reproductive performance of French -derived sows in multi-story pig farms[J]. China Swine Industry, 2025, 20(3):23-31.

英文摘要

Abstract: This study aimed to investigate the effects of breed, parity, and mating season on reproductive traits of French-derived sows in multi-story pig farms. Based on data from 33 452 French-derived sows across three multi-story pig farms in South China and Southwest China, delivery records of Landrace sows (YY) and Landrace×Yorkshire crossbred sows (LY) were statistically analyzed using R4.4.2 software. A Linear Mixed Model (LMM) was applied to evaluate differences in reproductive performance across production lines, breeds, parities, and mating seasons. The results demonstrated that production line, breed, and parity were the most significant factors influencing reproductive traits (P<0.01). Compared with YY purebred sows, LY crossbred sows exhibited a 1.25% increase in average live-born piglets per litter, a 2.74% increase in average weaned piglets per litter, and a 27.5% reduction in average stillborn piglets per litter. Furthermore, sows at parity 3 demonstrated 3.07%, 3.56%, 0.6%, and 0.07% higher total born piglets, along with 3.52%, 3.14%, 0.86%, and 0% higher live-born piglets relative to parities 1, 2, 4, and 5, respectively. Regarding seasonal variations, sows farrowing in spring produced 0.88%, 1.02%, and 1.64% more total born piglets than those farrowing in summer, autumn, and winter. For first-mating gilts, those bred at 261 to 280 days of age showed superior reproductive outcomes: total born piglets were 3.4%, 2.76%, 2.41%, 1.02%, and 0.47% higher, while live-born piglets were 4.59%, 3.27%, 2.21%, 0.87%, and 0.51% higher compared to gilts bred in the ≤200 d, 201 to 220 d, 221 to 240 d, 241 to 260 d, and ≥281 d of age brackets, respectively.

引言

本研究以华南地区某公司下属 2 个规模化楼房猪场和 1 个规模化叠层猪场共 11 条生产线的母猪群体为研究对象,3 个猪场均为自繁自育一体化猪场,群体主要以长大二元母猪为主,另有大白母猪用于繁育后备母猪。通过描述性统计分析、方差分析和多重比较,探索品种、胎次和配种季节与繁殖性状的关系。采用线性混合模型 对母猪的总产仔数、产活仔数、产死胎数和断奶仔猪数等繁殖性状进行拟合和统计分析,旨在为规模化商品母猪场合理调整胎龄结构和不同季节配种策略提供科学依据。

从科学意义上看,本研究填补了楼房猪场中法系母猪繁殖性能研究领域的空白。从应用价值上看,本研究提出的优化配种策略和胎龄结构调整方案将有助于提高猪场的生产效率和经济效益,为生猪养殖业的可持续发展提供科学依据。

结果与分析

法系母猪繁殖性状描述性统计

由表 1 可 知 , 各 猪 场 母 猪 的 窝 均 总 仔 数 介 于14.63~15.21 头之间,窝均活仔数介于 13.51~13.86头之间,窝均死胎数介于 0.48~1.09 头之间,窝均断奶仔猪数介于 11.13~12.09 头之间。其中,FK 猪场的二元母猪在窝均总仔数 (15.21 头) 和窝均活仔数 (13.86头) 方面表现最佳,而 HS 猪场的大白母猪在窝均死胎数 (0.74 头) 和窝均断奶仔猪数 (11.13 头) 方面表现较差,这在一定程度上说明法系二元母猪的繁殖性能优于纯种大白猪母猪的繁殖性能。

混合线性模型固定效应

采用混合线性模型 (LMM) 对繁殖性状进行固定效应分析,结果见表 2。模型共拟合了生产线、品种、胎次、配种批次、配种季节和首配日龄区间 6 个固定效应。结果显示,生产线、品种和胎次对母猪的繁殖性状影响极显著 ,而配种季节和首配日龄区间的影响不显著 。

不同因素对法系母猪繁殖性状的影响

分析结果显示,生产线、品种、胎次、配种季节和首配日龄对法系母猪的繁殖性状均有一定影响 (表 3)。

由表 3 可知,FK2 线母猪的窝均活仔数和窝均断奶仔猪数显著高于其他生产线,分别为 14.73头和 12.55 头。HS 猪场的窝均总仔数和窝均死胎数均显著低于其他猪场 。长大二元母猪在窝均活仔数和窝均断奶仔猪数上均显著高于纯种大白母猪,分别为 13.8 头和 11.61 头,且二元母猪的窝均死胎数显著低于纯种大白母猪,二元母猪的窝均活仔数较大白母猪提高 1.25%,窝均断奶数提高 2.74%,窝均死胎数降低 27.5%。第 3 胎次母猪的窝均总仔数和窝均活仔数显著高于其他胎次,分别为 15.12 头和14.12头 (第 3 胎次)。母猪在第 1 胎次和第 2 胎次的窝均死胎数和窝均断奶仔猪数显著低于第 3~5 胎次 。春季配种的母猪窝均总仔数为 14.89头,显著高于其他季节,分别比夏季提高0.88%,比秋季提高 1.02%,比冬季提高 1.64%;春季窝均活仔数为 13.81 头,比夏季显著提高 0.51%。261~280 日龄母猪的窝均总仔数和窝均活仔数显著高于较低日龄区间,分别为14.89 头和 13.89 头;261~280 日龄区间窝均总仔数比≤200 日龄区间提高 3.4%,比 201~220 日龄区间提高 2.76% ,比 221 ~240 日 龄 区 间 提 高 2.41% ,比241~260 日龄区间提高 1.02%,比≥281 日龄区间提高0.47%。261~280 日龄区间窝均活仔数比≤200 日龄区间提高 4.59%,比 201~220 日龄区间提高 3.27%,比221~240 日龄区间提高 2.21%,比 241~260 日龄区间提高 0.87%,比≥281 日龄区间提高 0.51%。

法系母猪繁殖性状的表型相关

通过相关性分析,探讨了母猪的窝均总仔数、窝均活仔数、窝均死胎数和窝均断奶仔猪数之间的表型相关性 (图 1)。结果显示,窝均总仔数与窝均活仔数呈显著正相关 (r>0.8,P<0.01),而窝均死胎数与窝均活仔呈显著负相关 (r<-0.4,P<0.01)。窝均断奶仔猪数与窝均活仔数呈显著正相关 (r>0.7,P<0.01)。

讨论

研究结果表明,长大二元母猪在窝均活仔数和窝均断奶仔猪数上显著优于大白母猪,这与前人研究结果一致。长白猪与大白猪的杂交优势可能使其在繁殖性能上更具竞争力。长大二元母猪通常具有较高的繁殖效率和较强的抗病能力,这可能是其窝均活仔数和断奶仔猪数显著高于大白母猪的主要原因。

第 3 胎和第 4 胎母猪的窝均总仔数和窝均活仔数显著高于其他胎次。随着胎次的增加,母猪的生殖器官逐渐发育成熟,生殖激素的分泌也更加稳定,这有助于提高窝均总仔数和窝均活仔数。

春季配种的母猪窝均总仔数和窝均活仔数均显著高于其他季节,表明春季适宜的气候条件更有利于母猪繁殖。春季气温适宜、光照充足,有利于母猪的生理调节和生殖激素的分泌也更加稳定,这有助于提高窝均总仔数和窝均活仔数。

261~280 日龄区间首次配种的窝均总仔数和窝均活仔数显著高于较低日龄区间,适当的延长首次配种日龄可以确保母猪的生殖系统发育成熟,生殖激素的稳定分泌,从而提高其繁殖性能。

结论

本研究表明:长白二元杂交母猪比大白纯种母猪的窝均活仔数提高 1.25%,窝均断奶数提高 2.74%,窝均死胎数降低 27.5%;第 3 胎次母猪的总仔数比第 1、2、4、5 胎分别高 3.07%、3.56%、0.6%、0.07%;活仔数比第 1、2、4、5 胎分别高 3.52%、3.14%、0.86%、0%;春季母猪的总产仔数比夏季、秋季、冬季分别高0.88%、1.02%、1.64%,活仔数比夏季提高 1.64%,与秋季、冬季无显著差异;261~280 日龄首次配种的母猪总仔数和活仔数比≤200 日龄区间、201~220 日龄区间、221~240 日龄区间、241~260 日龄区间、≥281日 龄 区 间 分 别 高 3.4% 、 2.76% 、 2.41% 、 1.02% 、0.47%和 4.59%、3.27%、2.21%、0.87%、0.51%。本研究通过对广东及贵州的 3 个楼房猪场的法系母猪繁殖性状进行分析,揭示了品种、胎次、配种季节和首配日龄对繁殖性能的显著影响,旨在通过以上数据的讨论分析以期为楼房种猪的生产管理提供一些有益的参考。

该文章刊登于《中国猪业》杂志2025年第3期,文章第一作者为广州越秀农牧食品科技有限公司邝伟键,通信作者为广州越秀农牧食品科技有限公司梁祥解

得到湖南省广州市重点研发计划项目 (2023B03J1367)的支持。

本文为节选,详情敬请登录http://zhuye.aiijournal.com/CN/10.16174/j.issn.1673-4645.2025.03.003点击“阅读原文”免费下载审阅。

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  1. CONNECT:[ UseTime:0.000722s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000984s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000455s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000671s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000681s ]
  6. SELECT * FROM `set` [ RunTime:0.000250s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000777s ]
  8. SELECT * FROM `article` WHERE `id` = 481373 LIMIT 1 [ RunTime:0.000995s ]
  9. UPDATE `article` SET `lasttime` = 1770612629 WHERE `id` = 481373 [ RunTime:0.018105s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000355s ]
  11. SELECT * FROM `article` WHERE `id` < 481373 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000943s ]
  12. SELECT * FROM `article` WHERE `id` > 481373 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001208s ]
  13. SELECT * FROM `article` WHERE `id` < 481373 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003269s ]
  14. SELECT * FROM `article` WHERE `id` < 481373 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.011939s ]
  15. SELECT * FROM `article` WHERE `id` < 481373 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.010674s ]
0.126033s