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Yu., Tretyakova O., Bakoev S., Kostjunina O. and Zinovieva
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traits in pigs raised in Russia. American Journal of Agricultur-
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Peškovičová D., Bulla J.. Effect of the estrogen receptor (ESR)
gene on reproductive traits of Large White, White Meaty and
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9. Piórkowska K., Ropka-Molik K., Oczkowicz M.,
Różycki M., Żukowski K. Association study of PIT1 and
GHRH SNPs with economically important traits in pigs of three
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of leukemia inhibitory factor gene (LIF) in porcine ovary,
oviduct and uterus tissues. Molecular Biology Reports 39(8):
7965-7972, 2012.
Creation of a panel of genetic markers for breeding of a large white breed pigs
on the reproductive fitness
Kolosov
A.Yu.,
PhD in agriculture, associated professor,
Leonova M.A.,
PhD in agriculture, senior researcher,
Getmantseva L.V..,
PhD in agriculture , head of laboratory
Donskoy state agrarian university, s. Persianovsky, Rostov region, Russia
The article presents studies of the effect of SNP of genes
PRLR, LEP, ESR, FSHb, MC4R, LIF, POU1F1, GH
on the repro-
ductive performance of large white pigs. The analysis was carried out using linear models of mixed type. For each variant of SNP,
a separate model was used; as a fixed factor in model the genotype for the gene in question was. Another fixed factor in all models
was the order of number of farrowing. A randomized factor was individual sow genotypes. As a result of the analysis a significant
superiority of the
LEP
/CC
genotype over the
LEP
/TT genotype was established for all indicators of reproductive qualities: by the
number of pigs at birth on 1.55 h. (p = 0.02), for a piglets born alive on 1.8 h. (p = 0.009), by litter weight at birth on 1.91 kg (p =
0.05). According to the
ESR
gene animals with the
ESR
/BB genotype also outperformed all their analogues with the
ESR
/AA geno-
type (by the number of pigs at birth on 1.36 h. (p = 0.14), by piglets born alive on 0.93 h. (p = 0.005), by the litter weight at birth on
2.24 kg (p = 0.15) The
LIF
gene was used to determine the genotype
LIF
/BB (the number of piglets at birth + 1.35 h. (p = 0 , 15),
piglets born alive + 1.9 h. (p = 0.04), litter weight at birth + 2.24 kg (p = 0.24) relative to the
LIF
/AA genotype.) The superiority
of the PRLR/
BB
genotype was established for the
PRLR
gene (number of piglets at birth + 0.42 head (p = 0.4), piglets born alive
+ 0.57 h. (p = 0.25), litter weight at birth + 1.96 kg (p = 0.01) relative to the PRLR/AB genotype.) For other genes there are no
significant differences in the reproductive qualities between the genotypes. Based on the obtained results a panel of genetic markers
for evaluating reproductive qualities of large white pigs was developed, which includes the
LEP, ESR, LIF
, and
PRLR
genes.
Key words:
SNP panel, pigs, markers, PRLR, LEP, ESR, FSHb, MC4R, LIF, POU1F1, GH, linear models
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Yu., Tretyakova O., Bakoev S., Kostjunina O. and Zinovieva
N. Effect of melanocortin-4 receptor gene on growth and meat
traits in pigs raised in Russia. American Journal of Agricultur-
al and Biological Sciences, 2014. no. 9(2). pp. 232-237.
7. Park S.-J., Ha J., Kim I.-S., Kwon S.G., Hwang
J.H., Park D.H., Kang D.G., Kim T.W., Kim S.W., Kim C.W.
Effects of LEP, GYS1, MYOD1, and MYF5 polymorphisms
on pig economic traits. J. Ann Anim Sci., 2015. no. 15.
pp. 1-12.
8. Omelka R., Bauerová M., Mlynek J., Buchová B.,
Peškovičová D., Bulla J. Effect of the estrogen receptor (ESR)
gene on reproductive traits of Large White, White Meaty and
Landrace pigs. Czech J. Anim. Sci., 2005. no. 50. pp. 249–253.
9. Piórkowska K., Ropka-Molik K., Oczkowicz M.,
Różycki M., Żukowski K. Association study of PIT1 and
GHRH SNPs with economically important traits in pigs of
three breeds reared in Poland. Anim Sci Pap Rep, 2013. no.
31. pp. 303-314.
10. Ropka-Molik K., Variability of mRNA abundance
of leukemia inhibitory factor gene (LIF) in porcine ovary, ovi-
duct and uterus tissues. Molecular Biology Reports 2012. no.
39(8). pp. 7965-7972.
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