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Identification of three single nucleotide polymorphisms in the chicken insulin-like growth factor 1 and 2 genes and their associations with growth and feeding traits.
TLDR
The chicken insulin-like growth factor (IGF)1 and IGF2 genes have been partially sequenced in six individuals of each of two chicken strains of the Black Penedesenca breed, and the chicken leptin gene was included in the sequence analysis. Expand
QTL mapping for teat number in an Iberian-by-Meishan pig intercross.
TLDR
The results showed three genomewide significant QTL mapping on chromosomes 5, 10 and 12, whose joint action control up to 30% of the phenotypic variance of the trait. Expand
Gene frequencies of caprine αs1-casein polymorphism in Spanish goat breeds
TLDR
The direct relationship existing between these allelic variants and differences in the Cn content and in the physico-chemical properties of milk, can be used as a tool in the improvement of milk processing quality and cheese yields of Spanish milking breeds. Expand
Integrating Y-chromosome, mitochondrial, and autosomal data to analyze the origin of pig breeds.
TLDR
It is shown that European and Far Eastern pig populations have contributed maternal and paternal lineages to the foundation of African and South American breeds through the joint analysis of mitochondrial, microsatellite, and Y-chromosome polymorphisms. Expand
Mapping of the porcine oestrogen receptor 2 gene and association study with litter size in Iberian pigs.
TLDR
The assignment of the pig ESR2 gene to porcine chromosome 1 by radiation hybrid mapping is reported and its potential effect on litter size was evaluated in two Iberian pig populations, but no statistically significant association between the ESR1 polymorphism and littersize was found. Expand
Nested PCR allows the characterization of TaqI and PstI RFLPs in the second exon of the caprine MHC class II DRB gene.
TLDR
Close associations were detected between the presence of TaqI and PstI restriction sites and amino acid substitutions at positions 40 and 78 respectively, suggesting that PCR restriction fragment length polymorphism (RFLP) could be a useful tool in relating amino acid Substitution at critical positions with disease resistance. Expand
The major histocompatibility complex of ruminants.
TLDR
Functional studies provide a firm molecular basis for a number of well-documented associations with infectious diseases, although a detailed understanding of the immunogenetic mechanisms underlying these associations has yet to be elucidated. Expand
Muscle transcriptomic profiles in pigs with divergent phenotypes for fatness traits
TLDR
The data suggest that selection for increasing intramuscular fat content in pigs would lead to a shift but not a disruption of the metabolic homeostasis of muscle cells, suggesting the existence of a cycle where triacylglycerols are continuously synthesized and degraded. Expand
Mitochondrial DNA diversity and origins of South and Central American goats.
TLDR
Share of mitochondrial haplotypes by SCA and Canarian goats suggests that goat populations from the Atlantic archipelagos, where Spanish and Portuguese ships en route to the New World used to stow food and supplies, participated in the foundation of SCA caprine breeds. Expand
Bayes factor analyses of heritability for serum and muscle lipid traits in Duroc pigs.
TLDR
Results confirm the complexity of lipid metabolism in pigs and provide a broad characterization for serum and meat lipid trait heritability estimates in pigs. Expand
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