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Development and Characterization of a High Density SNP Genotyping Assay for Cattle
TLDR
The BovineSNP50 assay described here is commercially available from Illumina and provides a robust platform for mapping disease genes and QTL in cattle and allows an efficient approach for the development of high-density genotyping platforms in species having full or even moderate quality draft sequence.
Relationships of feedlot feed efficiency, performance, and feeding behavior with metabolic rate, methane production, and energy partitioning in beef cattle.
TLDR
The relationship of feedlot feed efficiency, performance, and feeding behavior with digestion and energy partitioning of 27 steers is determined and has practical implications for the selection of animals that eat less at a similar BW and growth rate and for the environmental sustainability of beef production.
Genetic and phenotypic relationships of feeding behavior and temperament with performance, feed efficiency, ultrasound, and carcass merit of beef cattle.
TLDR
The results indicate that behavior traits may contribute to the variation in the efficiency of growth of beef cattle, and there are potential correlated responses to selection to improve efficiency.
SNP discovery and allele frequency estimation by deep sequencing of reduced representation libraries
TLDR
An economical, efficient, single-step method for SNP discovery, validation and characterization that uses deep sequencing of reduced representation libraries (RRLs) from specified target populations and may be applied to any species with at least a partially sequenced genome.
Conservation and dynamics of microsatellite loci over 300 million years of marine turtle evolution.
TLDR
Within species, microsatellite variation between divergent populations was consistent with results from previous mtDNA studies indicating the usefulness of microsatellites for comparing male- versus female-mediated gene flow and levels of heterozygosity were consistently higher in species from which the primers were designed, which suggests problems with cross-species comparisons of variability.
Genetic and phenotypic relationships of feed intake and measures of efficiency with growth and carcass merit of beef cattle.
TLDR
Depending on how RFI technology is applied, adjustment for body composition in addition to growth may be required to minimize the potential for correlated responses to selection in cattle.
Different measures of energetic efficiency and their phenotypic relationships with growth, feed intake, and ultrasound and carcass merit in hybrid cattle.
TLDR
These phenotypic relationships indicate that, compared with other measures of energetic efficiency, RFI should have a greater potential to improve overall production efficiency and PEG above maintenance, and lead to minimal correlated changes in carcass merit without altering the growth and body size of different animals.
Genome-Wide Survey of SNP Variation Uncovers the Genetic Structure of Cattle Breeds
TLDR
Data show that cattle have undergone a rapid recent decrease in effective population size from a very large ancestral population, possibly due to bottlenecks associated with domestication, selection, and breed formation.
Polymorphisms in the bovine leptin promoter associated with serum leptin concentration, growth, feed intake, feeding behavior, and measures of carcass merit.
Leptin is the hormone product of the obese gene synthesized and secreted predominantly by white adipocytes. It functions as a lipostatic signal regulating BW, food intake, energy expenditure,
A genetic linkage map of the bovine genome
TLDR
A cattle genetic linkage map was constructed which marks about 90% of the expected length of the cattle genome and shows as many differences in gene order compared to humans as is found between humans and mice.
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