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http://dx.doi.org/10.5713/ajas.2002.179

Frequencies, Inheritance of Porcine FSH-${\beta}$ Retroposon and its Association with Reproductive Traits  

Li, Feng'e (College of Animal Science and Veterinary Medicine, Huazhong Agricultural University)
Xiong, Yuanzhu (College of Animal Science and Veterinary Medicine, Huazhong Agricultural University)
Deng, Changyan (College of Animal Science and Veterinary Medicine, Huazhong Agricultural University)
Jiang, Siwen (College of Animal Science and Veterinary Medicine, Huazhong Agricultural University)
Zheng, Rong (College of Animal Science and Veterinary Medicine, Huazhong Agricultural University)
Publication Information
Asian-Australasian Journal of Animal Sciences / v.15, no.2, 2002 , pp. 179-183 More about this Journal
Abstract
The fragment in intron I of FSH-${\beta}$ gene was amplified by PCR. According to the polymorphism, we analyzed the distribution of FSH-${\beta}$ retroposon in different pig breeds; its inheritance pattern in Large White${\times}$Meishan reference family; and the association of FSH-${\beta}$ retroposon with litter size, female reproductive organs measurement, ultrasonic backfat and other traits. The results showed that almost each Chinese indigenous pig had the retroposon, while foreign pig breeds rarely had; the frequencies of porcine FSH-${\beta}$ retroposon were strongly associated with breeds (p<0.01); the pattern of inheritance was consistent with Mendelian fashion; total number born (TNB) and number born alive (NBA) were increased per FSH-${\beta}$ retroposon (p<0.01) with additive effects of 1.2-1.8 and 1.4-1.8 pigs/litter, respectively; between the FSH-${\beta}$ retroposon carriers and non-carriers, there was an insignificant difference in the measurement of female reproductive organs, body weight at birth, backfat thickness, loin meat height, lean meat percentage, teat number, days to 100 kg, and average daily gain.
Keywords
Pigs; FSH-${\beta}$ Gene; Retroposon; Litter Size;
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