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Vol.2 , No. 6, Publication Date: Oct. 20, 2015, Page: 67-70
 was performed for genotyping ESR2 gene in pig populations derived from a commercial farm in Greece. 400 sows were genotyped in total and the records of five litters concerning Total Number of Born (TNB), Number of Born Alive (NBA), Number of Born Dead (NBD), Number of Born Mummified (NBM) and Number of Weaned (NW) piglets were used in the association analysis. The population found to be in Hardy-Weinberg equilibrium, while the total number of born piglets, the number of piglets born alive, the number of piglets that born dead and the number of the piglets born mummified did not differ between the observed ESR2 genotypes. However, the AB genotype gave statistically significant (P<0.05) higher values of the number of weaned piglets and lower values concerning the aborted pigs. According to our results, the AB genotype of ESR2 gene are in favor of producing larger litter size, suggesting that the certain gene may be used in Marker-assisted selection (MAS) programmes for a rapid improvement of the reproductive characteristics in pigs.&picture=http://www.aascit.org/aascit/decorators/img/journal/903.jpg)
| [1] | George P. Laliotis, Laboratory of Physiology of Reproduction of Farm Animals, Department of Animal Production, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece. |
| [2] | Apostolos Marantidis, Laboratory of Physiology of Reproduction of Farm Animals, Department of Animal Production, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece. |
| [3] | Meni Avdi, Laboratory of Physiology of Reproduction of Farm Animals, Department of Animal Production, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece. |
The aim of the present study was to investigate any potential association of ESR2 genotypes with prolificacy in pigs. Polymerase chain reaction – restriction fragment length polymorphism (PCR-RFLP) was performed for genotyping ESR2 gene in pig populations derived from a commercial farm in Greece. 400 sows were genotyped in total and the records of five litters concerning Total Number of Born (TNB), Number of Born Alive (NBA), Number of Born Dead (NBD), Number of Born Mummified (NBM) and Number of Weaned (NW) piglets were used in the association analysis. The population found to be in Hardy-Weinberg equilibrium, while the total number of born piglets, the number of piglets born alive, the number of piglets that born dead and the number of the piglets born mummified did not differ between the observed ESR2 genotypes. However, the AB genotype gave statistically significant (P<0.05) higher values of the number of weaned piglets and lower values concerning the aborted pigs. According to our results, the AB genotype of ESR2 gene are in favor of producing larger litter size, suggesting that the certain gene may be used in Marker-assisted selection (MAS) programmes for a rapid improvement of the reproductive characteristics in pigs.
Keywords
ESR2, Pig, Litter Size, Sus Scrofa, TNB, NW
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