Article(id=1307013539680510243, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013423896753139, articleNumber=null, orderNo=null, doi=10.11843/j.issn.0366-6964.2026.03.021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1756137600000, receivedDateStr=2025-08-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1789545910996, onlineDateStr=2026-09-16, pubDate=1774195200000, pubDateStr=2026-03-23, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789545910996, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789545910996, creator=13701087609, updateTime=1789545910996, updator=13701087609, issue=Issue{id=1307013423896753139, tenantId=1146029695717560320, journalId=1306274286668972124, year='2026', volume='57', issue='3', pageStart='1177', pageEnd='1776', issueExtLink='null', onlineDate='null', pubDate='1774195200000', pubDateStr='2026-03-23', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1789545883392, creator='13701087609', updateTime=1789609930841, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307282058464743901, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013423896753139, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307282058464743902, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013423896753139, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1413, endPage=1422, ext={EN=ArticleExt(id=1307013539940557092, articleId=1307013539680510243, tenantId=1146029695717560320, journalId=1306274286668972124, language=EN, title=Estimation of Genetic Parameters for Reproductive Traits of Holstein Cattle in Jiangsu Province, columnId=1307007413870158054, journalTitle=Acta Veterinaria et Zootechnica Sinica, columnName=ANIMAL GENETICS AND BREEDING, runingTitle=null, highlight=null, articleAbstract=
The objective of this study was to estimate the genetic parameters of reproductive traits in heifers and adult cows and to elucidate the genetic correlations of these traits between heifers and adult cows as well as across different parities. This study collected a total of 84 061 reproductive records, including calving, insemination, and pregnancy diagnosis, from 37 329 Holstein cows in 6 large-scale dairy farms in Jiangsu Province between 2020 and 2024. Among these, 31 689 records were from heifers and 52 372 records were from cows. Genetic parameters were estimated using the average information restricted maximum likelihood (AI-REML) procedure implemented in the DMU software based on animal and repeatability models. The results showed that the heritability estimates of reproductive traits in heifers ranged from 0.04 to 0.52, with the highest value observed for age at first service (0.52±0.01), while the heritability of the other traits ranged from 0.04 to 0.22. In heifers, the genetic correlations among age at first service, age at last service, and age at first calving were high, ranging from 0.73 to 0.98. In cows, the highest genetic correlations were observed between days open and the number of services and interval between first and last service, with values ranging from 0.95 to 0.96. The genetic correlations of reproductive traits between adjacent parities were relatively high, with values ranging from 0.62 to 0.68 between heifers and primiparous cows. By contrast, the correlations between heifers and multiparous cows were low (0.05-0.15). Furthermore, phenotypic correlations across different parities were generally low, ranging from 0.01 to 0.18. In addition, the absolute genetic correlations of number of services and interval between first and last service with other traits were relatively high, ranging from 0.28 to 0.97, suggesting that these traits could serve as important indicators of reproductive performance in both heifers and cows. This study systematically elucidated the genetic parameters of reproductive traits in Holstein cattle in Jiangsu Province, providing a theoretical basis for the genetic improvement of reproductive traits in this population.
, authors=Yiyang YAO
1, Ziyi CHANG
1, Hongliang LI
1, Honghong XU
1, Wanting ZHANG
1, Zichen WANG
1, Yu TIAN
2, Xubin LU
1, Zhangping YANG
1, Yachun WANG
3, Yongjiang MAO
1, authorsList=Yiyang YAO, Ziyi CHANG, Hongliang LI, Honghong XU, Wanting ZHANG, Zichen WANG, Yu TIAN, Xubin LU, Zhangping YANG, Yachun WANG, Yongjiang MAO, authorCompany=null, correspAuthors=Yachun WANG, Yongjiang MAO, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1307013543702847783, articleId=1307013539680510243, tenantId=1146029695717560320, journalId=1306274286668972124, language=CN, title=江苏地区荷斯坦牛繁殖性状遗传参数估计, columnId=1307007414092456168, journalTitle=畜牧兽医学报, columnName=遗传育种, runingTitle=null, highlight=null, articleAbstract=
旨在评估青年牛与成母牛繁殖性状的遗传参数,解析青年牛与成母牛及不同胎次间繁殖性状的遗传相关性。本研究收集江苏地区6个规模化牧场2020—2024年期间37 329头荷斯坦牛的产犊、配种和妊娠诊断等繁殖记录共84 061条,其中青年牛记录31 689条,成母牛记录52 372条。基于DMU软件中的平均信息约束估计最大似然法模块并配合动物模型与重复力模型进行遗传参数估计,采用双性状和多性状模型进行遗传相关分析。结果显示:青年牛繁殖性状遗传力估计值范围为0.04~0.52之间,其中初配日龄的遗传力最高为0.52±0.01,其余性状遗传力为0.04~0.22之间。青年牛的初配日龄、末配日龄和初产日龄之间遗传相关性较高为0.73~0.98;在成母牛中,空怀天数与配种次数及首末配种间隔之间的遗传相关性最高0.95~0.96。相邻胎次间繁殖性状的遗传相关性较高,青年牛与初产牛的相关性为0.62~0.68,但青年牛与经产牛之间的相关性较低为0.05~0.15,且不同胎次间表型相关性普遍较低为0.01~0.18。此外,配种次数和首末配种间隔与其他性状的遗传相关绝对值相对较高为0.28~0.97,可作为青年牛和成母牛繁殖力的重要指标。本研究系统地解析了江苏地区荷斯坦牛繁殖性状的遗传参数,为该地区荷斯坦牛繁殖性状遗传改良提供了理论依据。
, authors=姚毅扬
1, 常梓翊
1, 李洪亮
1, 徐红红
1, 张琬婷
1, 王子晨
1, 田雨
2, 卢徐斌
1, 杨章平
1, 王雅春
3, 毛永江
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姚毅扬,博士生,主要从事奶牛遗传育种研究,E-mail: DX120240186@stu.yzu.edu.cn
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姚毅扬,博士生,主要从事奶牛遗传育种研究,E-mail: DX120240186@stu.yzu.edu.cn
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1.扬州大学动物科学与技术学院,扬州 225009, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307281474206593125, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, xref=1., ext=[AuthorCompanyExt(id=1307281474219176038, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, companyId=1307281474206593125, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.扬州大学动物科学与技术学院,扬州 225009)])]), Author(id=1307281476916113534, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307281476987416704, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, authorId=1307281476916113534, language=EN, stringName=Honghong XU, firstName=Honghong, middleName=null, lastName=XU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.College of Animal Science and Technology,Yangzhou University,Yangzhou 225009,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307281477054525569, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, authorId=1307281476916113534, language=CN, stringName=徐红红, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.扬州大学动物科学与技术学院,扬州 225009, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307281474206593125, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, xref=1., ext=[AuthorCompanyExt(id=1307281474219176038, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, companyId=1307281474206593125, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Reproductive trait names, abbreviations, and definitions for heifers and cows
, figureFileSmall=null, figureFileBig=null, tableContent=
组别 Group | 性状 Trait | 缩写 Abbreviation | 定义 Definition |
|---|
青年牛 Heifer | 初配日龄 Age at first service | AFS | 首次配种日期与其出生日期之间的间隔天数 |
| 末配日龄 Age at last service | ALS | 末次配种日期与其出生日期之间的间隔天数 |
| 初产日龄 Age at first calving | AFC | 首次产犊的日期与其出生日期之间的间隔天数 |
成母牛 Cow | 产后首次配种间隔 Interval to first service after calving | IFSC | 产后首次配种日期与其产犊日期之间的间隔天数 |
| 产犊间隔 Calving interval | CI | 本次产犊日期与上一次产犊日期之间的间隔天数 |
| 空怀天数 Days open | DO | 受孕日期与上一次产犊日期之间的间隔天数 |
青年牛和成母牛 Heifer and cow | 首末配种间隔 Interval from first to last insemination | IFL | 末次配种日期与其首次配种日期之间的间隔天数 |
| 配种次数 Number of services | NS | 同一胎次内,从第一次配种到成功受孕期间,所经历的所有配种次数 |
| 首次配种受胎率 Conception rate at first insemination | CR | 在首次配种后是否成功妊娠。为二分类性状,若首次配种后成功妊娠,记录为1;未妊娠,记录为0 |
), ArticleFig(id=1307281481777311922, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表1, caption=
青年牛与成母牛繁殖性状名称、缩写及定义
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组别 Group | 性状 Trait | 缩写 Abbreviation | 定义 Definition |
|---|
青年牛 Heifer | 初配日龄 Age at first service | AFS | 首次配种日期与其出生日期之间的间隔天数 |
| 末配日龄 Age at last service | ALS | 末次配种日期与其出生日期之间的间隔天数 |
| 初产日龄 Age at first calving | AFC | 首次产犊的日期与其出生日期之间的间隔天数 |
成母牛 Cow | 产后首次配种间隔 Interval to first service after calving | IFSC | 产后首次配种日期与其产犊日期之间的间隔天数 |
| 产犊间隔 Calving interval | CI | 本次产犊日期与上一次产犊日期之间的间隔天数 |
| 空怀天数 Days open | DO | 受孕日期与上一次产犊日期之间的间隔天数 |
青年牛和成母牛 Heifer and cow | 首末配种间隔 Interval from first to last insemination | IFL | 末次配种日期与其首次配种日期之间的间隔天数 |
| 配种次数 Number of services | NS | 同一胎次内,从第一次配种到成功受孕期间,所经历的所有配种次数 |
| 首次配种受胎率 Conception rate at first insemination | CR | 在首次配种后是否成功妊娠。为二分类性状,若首次配种后成功妊娠,记录为1;未妊娠,记录为0 |
), ArticleFig(id=1307281481961861299, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 2, caption=
Descriptive statistics on reproductive traits of Holstein heifers in Jiangsu
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 记录数 Number | 平均值 Mean | 标准差 SD | 最小值 Min | 最大值 Max |
|---|
| 初配日龄/d AFS | 27 765 | 437.89 | 38.01 | 342.00 | 900.00 |
| 末配日龄/d ALS | 27 860 | 478.45 | 82.82 | 342.00 | 960.00 |
| 初产日龄/d AFC | 29 330 | 750.98 | 71.75 | 536.00 | 1 080.00 |
| 首末配种间隔/d IFL | 28 861 | 32.51 | 52.72 | 0.00 | 280.00 |
| 配种次数/次 NS | 29 212 | 1.92 | 1.34 | 1.00 | 10.00 |
| 首次配种受胎率 CR | 29 330 | 0.51 | 0.50 | 0.00 | 1.00 |
), ArticleFig(id=1307281482054135988, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表2, caption=
江苏地区荷斯坦青年牛繁殖性状描述性统计
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 记录数 Number | 平均值 Mean | 标准差 SD | 最小值 Min | 最大值 Max |
|---|
| 初配日龄/d AFS | 27 765 | 437.89 | 38.01 | 342.00 | 900.00 |
| 末配日龄/d ALS | 27 860 | 478.45 | 82.82 | 342.00 | 960.00 |
| 初产日龄/d AFC | 29 330 | 750.98 | 71.75 | 536.00 | 1 080.00 |
| 首末配种间隔/d IFL | 28 861 | 32.51 | 52.72 | 0.00 | 280.00 |
| 配种次数/次 NS | 29 212 | 1.92 | 1.34 | 1.00 | 10.00 |
| 首次配种受胎率 CR | 29 330 | 0.51 | 0.50 | 0.00 | 1.00 |
), ArticleFig(id=1307281482146410677, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 3, caption=
Descriptive statistics on reproductive traits of Chinese Holstein cows in Jiangsu
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 记录数 Number | 平均值 Mean | 标准差 SD | 最小值 Min | 最大值 Max |
|---|
| 产后首次配种间隔/d IFSC | 42 034 | 69.53 | 13.43 | 30.00 | 210.00 |
| 产犊间隔/d CI | 26 557 | 386.75 | 64.59 | 280.00 | 640.00 |
| 空怀天数/d DO | 39 967 | 111.54 | 58.56 | 30.00 | 305.00 |
| 首末配种间隔/d IFL | 41 052 | 47.06 | 66.03 | 0.00 | 280.00 |
| 配种次数/次 NS | 42 003 | 2.30 | 1.75 | 1.00 | 10.00 |
| 首次配种受胎率 CR | 42 249 | 0.45 | 0.50 | 0.00 | 1.00 |
), ArticleFig(id=1307281482230296758, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表3, caption=
江苏地区荷斯坦成母牛繁殖性状描述性统计
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 记录数 Number | 平均值 Mean | 标准差 SD | 最小值 Min | 最大值 Max |
|---|
| 产后首次配种间隔/d IFSC | 42 034 | 69.53 | 13.43 | 30.00 | 210.00 |
| 产犊间隔/d CI | 26 557 | 386.75 | 64.59 | 280.00 | 640.00 |
| 空怀天数/d DO | 39 967 | 111.54 | 58.56 | 30.00 | 305.00 |
| 首末配种间隔/d IFL | 41 052 | 47.06 | 66.03 | 0.00 | 280.00 |
| 配种次数/次 NS | 42 003 | 2.30 | 1.75 | 1.00 | 10.00 |
| 首次配种受胎率 CR | 42 249 | 0.45 | 0.50 | 0.00 | 1.00 |
), ArticleFig(id=1307281482389680311, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 4, caption=
Variance components and heritability estimates of reproductive traits in Holstein heifers
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 加性遗传方差 σ2 a | 残差方差 σ2e | 遗传力 h2 | 标准误 SE |
|---|
| 初配日龄 AFS | 476.87 | 431.64 | 0.52 | 0.01 |
| 末配日龄 ALS | 828.25 | 5446.26 | 0.13 | 0.01 |
| 初产日龄 AFC | 1 058.57 | 3 655.79 | 0.22 | 0.02 |
| 首末配种间隔 IFL | 188.45 | 2 479.86 | 0.07 | 0.01 |
| 配种次数 NS | 0.19 | 2.03 | 0.06 | 0.01 |
| 首次配种受胎率 CR | 0.02 | 0.23 | 0.08 | 0.01 |
), ArticleFig(id=1307281482448400568, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表4, caption=
荷斯坦青年牛繁殖性状的方差组分和遗传力
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 加性遗传方差 σ2 a | 残差方差 σ2e | 遗传力 h2 | 标准误 SE |
|---|
| 初配日龄 AFS | 476.87 | 431.64 | 0.52 | 0.01 |
| 末配日龄 ALS | 828.25 | 5446.26 | 0.13 | 0.01 |
| 初产日龄 AFC | 1 058.57 | 3 655.79 | 0.22 | 0.02 |
| 首末配种间隔 IFL | 188.45 | 2 479.86 | 0.07 | 0.01 |
| 配种次数 NS | 0.19 | 2.03 | 0.06 | 0.01 |
| 首次配种受胎率 CR | 0.02 | 0.23 | 0.08 | 0.01 |
), ArticleFig(id=1307281482502926521, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 5, caption=
Variance components and heritability estimates of reproductive traits in Holstein cows
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 加性遗传方差 σ2a | 永久环境方差 σ2pe | 残差方差 σ2e | 遗传力 h2 | 标准误 SE | 重复力 re |
|---|
| 产后首次配种间隔 IFSC | 5.12 | 2.27 | 131.47 | 0.04 | 0.01 | 0.05 |
| 产犊间隔 CI | 60.23 | 0.98 | 412.87 | 0.13 | 0.01 | 0.13 |
| 空怀天数 DO | 138.72 | 151.23 | 2 959.19 | 0.04 | 0.01 | 0.09 |
| 首末配种间隔 IFL | 192.9 | 149.52 | 3 806.74 | 0.05 | 0.01 | 0.08 |
| 配种次数 NS | 0.15 | 0.13 | 2.69 | 0.05 | 0.01 | 0.09 |
| 首次配种受胎率 CR | 0.02 | 0.03 | 0.22 | 0.07 | 0.01 | 0.19 |
), ArticleFig(id=1307281482574229690, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表5, caption=
荷斯坦成母牛繁殖性状的方差组分和遗传力
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 加性遗传方差 σ2a | 永久环境方差 σ2pe | 残差方差 σ2e | 遗传力 h2 | 标准误 SE | 重复力 re |
|---|
| 产后首次配种间隔 IFSC | 5.12 | 2.27 | 131.47 | 0.04 | 0.01 | 0.05 |
| 产犊间隔 CI | 60.23 | 0.98 | 412.87 | 0.13 | 0.01 | 0.13 |
| 空怀天数 DO | 138.72 | 151.23 | 2 959.19 | 0.04 | 0.01 | 0.09 |
| 首末配种间隔 IFL | 192.9 | 149.52 | 3 806.74 | 0.05 | 0.01 | 0.08 |
| 配种次数 NS | 0.15 | 0.13 | 2.69 | 0.05 | 0.01 | 0.09 |
| 首次配种受胎率 CR | 0.02 | 0.03 | 0.22 | 0.07 | 0.01 | 0.19 |
), ArticleFig(id=1307281482632949947, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 6, caption=
Genetic and phenotypic correlations among reproductive traits in Holstein heifers
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 初配日龄AFS | 末配日龄 ALS | 初产日龄 AFC | 首末配种间隔 IFL | 配种次数 NS | 首次配种 受胎率 CR |
|---|
| 初配日龄 AFS | 1.00 | 0.97(0.04) | 0.73(0.03) | -0.28(0.05) | -0.47(0.05) | 0.39(0.05) |
| 末配日龄 ALS | 0.43** | 1.00 | 0.98(0.01) | 0.53(0.05) | 0.37(0.07) | -0.50(0.06) |
| 初产日龄 AFC | 0.27** | 0.94** | 1.00 | 0.58(0.04) | 0.44(0.06) | -0.46(0.09) |
| 首末配种间隔IFL | -0.02** | 0.81** | 0.76** | 1.00 | 0.86(0.03) | -0.38(0.05) |
| 配种次数 NS | -0.07** | 0.68** | 0.60** | 0.80** | 1.00 | -0.56(0.02) |
| 首次配种受胎率CR | 0.06** | -0.48** | -0.47** | -0.65** | -0.70** | 1.00 |
), ArticleFig(id=1307281482813305020, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表6, caption=
青年牛繁殖性状指标之间的遗传相关和表型相关
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 初配日龄AFS | 末配日龄 ALS | 初产日龄 AFC | 首末配种间隔 IFL | 配种次数 NS | 首次配种 受胎率 CR |
|---|
| 初配日龄 AFS | 1.00 | 0.97(0.04) | 0.73(0.03) | -0.28(0.05) | -0.47(0.05) | 0.39(0.05) |
| 末配日龄 ALS | 0.43** | 1.00 | 0.98(0.01) | 0.53(0.05) | 0.37(0.07) | -0.50(0.06) |
| 初产日龄 AFC | 0.27** | 0.94** | 1.00 | 0.58(0.04) | 0.44(0.06) | -0.46(0.09) |
| 首末配种间隔IFL | -0.02** | 0.81** | 0.76** | 1.00 | 0.86(0.03) | -0.38(0.05) |
| 配种次数 NS | -0.07** | 0.68** | 0.60** | 0.80** | 1.00 | -0.56(0.02) |
| 首次配种受胎率CR | 0.06** | -0.48** | -0.47** | -0.65** | -0.70** | 1.00 |
), ArticleFig(id=1307281482901385405, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 7, caption=
Genetic and phenotypic correlations among reproductive traits in Holstein cows
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 产后首次配种间隔IFSC | 产犊间隔 CI | 空怀天数 DO | 首末配种间隔 IFL | 配种次数 NS | 首次配种受胎率 CR |
|---|
| 产后首次配种间隔IFSC | 1.00 | 0.65(0.04) | 0.43(0.03) | 0.36(0.05) | 0.12(0.06) | 0.14(0.06) |
| 产犊间隔 CI | 0.05** | 1.00 | 0.94(0.07) | 0.93(0.05) | 0.52(0.10) | -0.24(0.06) |
| 空怀天数 DO | 0.15** | 0.13** | 1.00 | 0.95(0.01) | 0.96(0.01) | -0.84(0.09) |
| 首末配种间隔IFL | -0.11** | 0.12** | 0.97** | 1.00 | 0.96(0.01) | -0.97(0.01) |
| 配种次数 NS | -0.15** | 0.10** | 0.86** | 0.88** | 1.00 | -0.95(0.01) |
| 首次配种受胎率 CR | 0.06** | -0.09** | -0.67** | -0.67** | -0.68** | 1.00 |
), ArticleFig(id=1307281482981077182, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表7, caption=
成母牛繁殖性状指标之间的遗传相关和表型相关
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 产后首次配种间隔IFSC | 产犊间隔 CI | 空怀天数 DO | 首末配种间隔 IFL | 配种次数 NS | 首次配种受胎率 CR |
|---|
| 产后首次配种间隔IFSC | 1.00 | 0.65(0.04) | 0.43(0.03) | 0.36(0.05) | 0.12(0.06) | 0.14(0.06) |
| 产犊间隔 CI | 0.05** | 1.00 | 0.94(0.07) | 0.93(0.05) | 0.52(0.10) | -0.24(0.06) |
| 空怀天数 DO | 0.15** | 0.13** | 1.00 | 0.95(0.01) | 0.96(0.01) | -0.84(0.09) |
| 首末配种间隔IFL | -0.11** | 0.12** | 0.97** | 1.00 | 0.96(0.01) | -0.97(0.01) |
| 配种次数 NS | -0.15** | 0.10** | 0.86** | 0.88** | 1.00 | -0.95(0.01) |
| 首次配种受胎率 CR | 0.06** | -0.09** | -0.67** | -0.67** | -0.68** | 1.00 |
), ArticleFig(id=1307281483060768959, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=EN, label=Table 8, caption=
Genetic and phenotypic correlations of the same trait between different parities
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 首末配种间隔 IFL | 配种次数 NS | 首次配种受胎率 CR | 产后首次配种间隔 IFSC | 产犊间隔 CI | 空怀天数 DO |
|---|
| ra0, a1 | 0.68(0.01) | 0.62(0.01) | 0.64(0.10) | | | |
| ra0, a2 | 0.15(0.07) | 0.10(0.08) | 0.13(0.07) | | | |
| ra0, a3 | 0.13(0.08) | 0.05(0.02) | 0.12(0.08) | | | |
| ra1, a2 | 0.94(0.03) | 0.98(0.03) | 0.98(0.03) | 0.30(0.07) | | 0.96(0.04) |
| ra1, a3 | 0.56(0.12) | 0.72(0.10) | 0.86(0.15) | 0.10(0.08) | | 0.48(0.15) |
| ra2, a3 | 0.67(0.10) | 0.84(0.08) | 0.93(0.14) | 0.24(0.13) | 0.65(0.10) | 0.71(0.12) |
| rp0, p1 | 0.05** | 0.06** | 0.04** | | | |
| rp0, p2 | 0.03 | 0.05** | 0.03 | | | |
| rp0, p3 | 0.01 | 0.03 | 0.01 | | | |
| rp1, p2 | 0.11** | 0.10** | 0.10** | 0.18** | | 0.15** |
| rp1, p3 | 0.07** | 0.07** | 0.07** | 0.13** | | 0.07** |
| rp2, p3 | 0.10** | 0.11** | 0.11** | 0.15** | 0.10** | 0.10** |
), ArticleFig(id=1307281483224346816, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013539680510243, language=CN, label=表8, caption=
同一性状在不同胎次之间的遗传相关和表型相关
, figureFileSmall=null, figureFileBig=null, tableContent=
性状 Trait | 首末配种间隔 IFL | 配种次数 NS | 首次配种受胎率 CR | 产后首次配种间隔 IFSC | 产犊间隔 CI | 空怀天数 DO |
|---|
| ra0, a1 | 0.68(0.01) | 0.62(0.01) | 0.64(0.10) | | | |
| ra0, a2 | 0.15(0.07) | 0.10(0.08) | 0.13(0.07) | | | |
| ra0, a3 | 0.13(0.08) | 0.05(0.02) | 0.12(0.08) | | | |
| ra1, a2 | 0.94(0.03) | 0.98(0.03) | 0.98(0.03) | 0.30(0.07) | | 0.96(0.04) |
| ra1, a3 | 0.56(0.12) | 0.72(0.10) | 0.86(0.15) | 0.10(0.08) | | 0.48(0.15) |
| ra2, a3 | 0.67(0.10) | 0.84(0.08) | 0.93(0.14) | 0.24(0.13) | 0.65(0.10) | 0.71(0.12) |
| rp0, p1 | 0.05** | 0.06** | 0.04** | | | |
| rp0, p2 | 0.03 | 0.05** | 0.03 | | | |
| rp0, p3 | 0.01 | 0.03 | 0.01 | | | |
| rp1, p2 | 0.11** | 0.10** | 0.10** | 0.18** | | 0.15** |
| rp1, p3 | 0.07** | 0.07** | 0.07** | 0.13** | | 0.07** |
| rp2, p3 | 0.10** | 0.11** | 0.11** | 0.15** | 0.10** | 0.10** |
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