Examination of the relationship between the estrogen receptor gene and reproductive traits in swine12

Isler, B. J.; Irvin, K. M.; Neal, S. M.; Moeller, S. J.; Davis, Michael

doi:10.1093/ansci/80.9.2334

Cited by 7 publications

(1 citation statement)

References 6 publications

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“…Furthermore, other researchers noted that BB genotypes displayed higher litter sizes than the AA and the AB genotypes [ 7 , 24 ]. The B allele originates from a Chinese pig [ 25 ] and is associated also with high fertility performance [ 26 ]. The fact that in the studied population the B allele had a negative effect on the examined reproductive traits may reflect the absence of Chinese ancestors in our population.…”

Section: Discussionmentioning

confidence: 99%

Association of RBP4 Genotype with Phenotypic Reproductive Traits of Sows

Marantidis

Laliotis

Avdi

2016

Genetics Research International

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PCR-RFLP was applied to a commercial crossbred pig population in order to investigate the association between polymorphism (SNP) of Retinol-binding protein 4 (RBP4) gene and reproductive performance. 400 sows were genotyped and 2000 records of reproductive traits were used in order to retrieve information about the allele frequencies and the association of the RBP4 gene with main reproductive characteristics of the population. A deviation from the Hardy-Weinberg equilibrium was observed as a result of the AB genotype excess. In addition, the AA genotype saw statistically significant higher values of (i) the total number of born piglets (p < 0.05), (ii) the number of piglets born alive (p < 0.01), and (iii) the number of weaned piglets (p < 0.01). The number of the mummified piglets and the number of the piglets born dead did not differ between the various RBP4 genotypes. Interestingly, the AA genotype had a negative impact (p < 0.05) on the number of piglets born dead, resulting indirectly in a larger litter size. In conclusion, the AA genotype and in extension the A allele of RBP4 gene are in favor of producing larger litter size, suggesting that the RBP4 gene may be used in Marker-Assisted Selection (MAS) programs for a rapid improvement of the reproductive characteristics in pigs.

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Section: Discussionmentioning

confidence: 99%

Association of RBP4 Genotype with Phenotypic Reproductive Traits of Sows

Marantidis

Laliotis

Avdi

2016

Genetics Research International

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Comparison of genetic models for analysing the effects of a PvuII polymorphism in the oestrogen receptor 1 (ESR1) gene on prolificacy in an Iberian × Meishan pig population

et al. 2006

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The effect of a previously reported PvuII polymorphism in oestrogen receptor 1 (ESR1) was analysed in an F(2) population of Iberian x Meishan pigs. We tested three hypotheses: (1) that a causal mutation was fixed in the parental populations, (2) that a causal mutation existed that was in complete linkage disequilibrium with the alleles of the PvuII polymorphism and (3) that a causal mutation existed in linkage disequilibrium within each parental population. The third model was the most plausible based on the available data. ESR1 alleles displayed different patterns of linkage disequilibrium with the causal mutation in each of the parental populations and the PvuII polymorphism was clearly not the causal mutation. As a consequence, the use of the ESR1 mutation for selection must be evaluated for a particular pig population before it is applied.

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Oestrogen receptor genotypes and litter size in Hungarian Large White pigs

Horogh¹,

Zsolnai²,

Komlósi

et al. 2005

J Animal Breeding Genetics

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A total of 869 litter records of 226 Hungarian Large White sows have been analysed to investigate the possible use of the oestrogen receptor gene (ESR) as marker to improve litter size. First, second and later parities have been evaluated separately. Frequencies of A = 0.55 and B = 0.45 have been calculated for the two ESR alleles and the observed/ expected number of the three genotypes were as follows: AA: 71/69.1, AB: 108/111.8 and BB: 47/45.1. BB type first and later parity sows were superior to AB and AA sows for number born alive (NBA), total number of born (TNB) and the corrected number of weaned piglets (CNW), respectively.

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Examination of the relationship between the estrogen receptor gene and reproductive traits in swine12

Cited by 7 publications

References 6 publications

Association of RBP4 Genotype with Phenotypic Reproductive Traits of Sows

Association of RBP4 Genotype with Phenotypic Reproductive Traits of Sows

Comparison of genetic models for analysing the effects of a PvuII polymorphism in the oestrogen receptor 1 (ESR1) gene on prolificacy in an Iberian × Meishan pig population

Oestrogen receptor genotypes and litter size in Hungarian Large White pigs

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