R.C. Antunes
Study of genetic variability in pigs after the traditional breeding program
Molecular markers are tools used to improve genetic gains. The objective of this study was to analyze the security of alleles of molecular marker genes for characteristics of economic interest in a pure population of pigs. After the extraction of DNA from the hair of 272 Large White matrices, the allele and genotype frequency of single nucleotide polymorphism was pe.. Read More»
Genet. Mol. Res. 16(3):
Influence of the halothane gene (HAL) on pork quality in two commercial crossbreeds
We evaluated the effect of the halothane (HAL) gene on the quality of pork in domestic pigs. Half-carcasses from two different commercial pig (Sus domestica) crossbreeds were analyzed, 46 of which were homozygous dominant (HALNN) and 69 of which were heterozygous (HALNn) for the halothane gene. The measures included backfat thickness, lean meat percentage, carcass w.. Read More»
Genet. Mol. Res. 10(3): vol10-3gmr925
DOI: 10.4238/vol10-3gmr925
Influence of Chinese breeds on pork quality of commercial pig lines
We compared carcass and meat quality of pigs from the same sire line and two different dam lines, one that included Chinese breeds and one that did not. Line A consisted of 1/4 Landrace, 1/2 Large White, 1/8 Chinese breeds (Meishan, Fengjing, Jiaxing), and 1/8 Large White, Duroc and Pietrain, and line B consisted of 1/2 Large White and 1/2 Pietrain. The animals (N =.. Read More»
Genet. Mol. Res. 9(2): vol9-2gmr733
DOI: 10.4238/vol9-2gmr733
Carcass and meat quality traits in Nellore and F1 Nellore-Araguaia crosses
We evaluated and compared carcass traits and meat quality in Nellore cattle and F1 crosses between Nellore and Araguaia, where 17 individuals were from the Nellore group and 19 were ½ Nellore and ½ Araguaia crosses. All animals belonged to the same birth season and were raised in pasture systems under the same nutritional, environmental, and management conditions. When the animals.. Read More»
Genet. Mol. Res. 14(2): 2015.May.22.7
DOI: 10.4238/2015.May.22.7
Obese gene polymorphism in Pietrain and large white pigs after a divergent selection
The aim of the present study was to identify polymorphisms in the leptin gene of 112 pigs and compare the maternal and paternal lineage of Pietrain and Large White breeds that underwent a divergent selection for over 30 years. DNA samples extracted from the blood of these animals were amplified by polymerase chain reaction and genotyped by restriction fragment length polymorphism using the rest.. Read More»
Genet. Mol. Res. 7(4): vol7-4gmr511
DOI: 10.4238/vol7-4gmr511
Quick method for identifying horse (Equus caballus) and donkey (Equus asinus) hybrids
The domestication of the Equus genus 5000-6000 years ago has influenced the history of human civilization. As soon as horse and donkey species had been domesticated, they were crossbred, producing humanity’s first documented attempt at animal genome manipulation. Since then, the mule (male donkey x female horse) and the reciprocal cross (the hinny, male horse x female donkey) have been th.. Read More»
Genet. Mol. Res. 15(3): gmr.15038895
DOI: 10.4238/gmr.15038895
Effect of the halothane genotype on intramuscular fat deposition in swine.
Intramuscular fat (IMF) content has been identified as an important factor in determining the quality of pork. Previous studies have suggested that IMF deposition may be associated with the presence of the halothane (HAL) gene. This study aimed to evaluate the effect of the HAL gene on IMF deposition in crossbred pigs of commercial lines, which were killed at a slau.. Read More»
Genet. Mol. Res. 13(1): http://dx.doi.org/2014.January.21.4
DOI: http://dx.doi.org/10.4238/2014.January.21.4
PIT1 gene polymorphism in Pietrain and Large White pigs after divergent selection
We examined the polymorphisms in the PIT1 gene of 103 pigs and compared their frequencies in the maternal and paternal lineages of the Pietrain and Large White breeds, which have undergone divergent selection for over 30 years. DNA samples extracted from the blood of these animals were amplified by PCR and genotyped by RFLP, using the restriction enzyme RsaI. The data were analyzed with the chi.. Read More»
Genet. Mol. Res. 8(3): vol8-3gmr609
DOI: 10.4238/vol8-3gmr609
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