猪乳头性状生理学和遗传学研究进展
收稿日期: 2018-12-12
修回日期: 2019-04-22
网络出版日期: 2019-05-11
基金资助
国家生猪现代产业技术体系南京综合试验站项目(CARS-35);江苏省农业重大新品种创制项目(PZCZ201733);江苏省农业科学院科研专项(ZX(18)7006);江苏省博士后科研资助计划(2018K059B)
Physiology and genetics research progress of teat traits in pigs
Received date: 2018-12-12
Revised date: 2019-04-22
Online published: 2019-05-11
Supported by
National Pig Industrial Technology System Nanjing Experimental Station(CARS-35);Jiangsu Agricultural Major New Breed Creation Project(PZCZ201733);Special Scientific Research Fund of Jiangsu Academy of Agricultural Sciences(ZX(18)7006);Jiangsu Post-doctoral research Funding(2018K059B)
周李生, 赵为民, 涂枫, 吴云鹤, 任守文, 方晓敏 . 猪乳头性状生理学和遗传学研究进展[J]. 遗传, 2019 , 41(5) : 384 -390 . DOI: 10.16288/j.yczz.18-336
The pig teat traits are important indices of genetic improvement in pig breeding, which belong to reproductive traits and can directly affect the sows lactation rate and piglet survival rate. Understanding the genetic mechanism underlying the variation of teat traits is of immense value for the improvement of pig reproductive performance. However, the genetic mechanism underlying teat traits (including teat number, type, location distribution, and fluctuating asymmetry) remains elusive. In this review, we summarize the studies on physiology and genetics of teat traits in pigs, including the development process of the mammary gland, the QTL mapping, and candidate gene researches. This review aims to provide a new perspective for the identification of causal mutations and major genes affecting the teat traits and revealing the complex genetic mechanism of the differences in teat number, type and location distribution during embryonic development in pigs.
Key words: pig; teat traits; genetic research
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