Two samples of females the Landrace Breed have been classified in homozygous for the gene Hal (HalN/HalN) and heterozygous (HalN/Haln), using a DNA probe. The differences between the two genotypes regarding reproductive traits (total number of piglets bom, number of born alive) were not statistically significant (P>0.10) in the two samples of females. The effect of the genotype in the Hal locus on average daily gain and backfat tickness was analyzed using a group of 132 animals. In this case the differences between the genotypes were not statistically significant either (P>0.10). The consequence of these results in selection strategies are discussed.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 17. Genetics and breeding of dairy and beef cattle, swine and horses, , 442–445, 1994
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