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- 17Roy Berg Kinsella Research Ranch
- 17Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
- 12Graduate Studies and Research, Faculty of
- 12Graduate Studies and Research, Faculty of/Theses and Dissertations
- 5Agricultural, Food and Nutritional Science, Department of
- 5Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
We developed a marker based infinitesimal model for quantitative trait analysis. In contrast to the classical infinitesimal model, we now have new information about the segregation of every individual locus of the entire genome. Under this new model, we propose that the genetic effect of an...
Phenotypic correlations of fatty acid composition among intramuscular, subcutaneous and intermuscular fat tissues in concentrate-fed beef cattle of differing genotypesDownload
In an attempt to predict intramuscular fatty acid composition using easily accessible fat depots, between-tissue correlations were studied in 75 Asturiana de los Valles bulls with different levels of muscular hypertrophy, and 25 Asturiana de la Montaña bulls. Trans-18:1 in intramuscular fat was...
Forty feedlot steers were fed a barley-grain-based finishing diet typical for western Canada, with two levels of supplementary vitamin E (468 or 1069 IU head-1 d-1) and the effect on backfat trans-18:1 isomeric profile was determined. Feeding 1068 IU vitamin E reduced the total trans-18:1 content...
Meat tenderness may be improved by accelerating muscle metabolism or by damaging muscle structure and increasing the solubility of muscle proteins. Pre- and postrigor protein and collagen solubilities were measured in semitendinosus muscles, removed pre-rigor from 24 Charolais crossbred steer...
Influence of sire breed on the interplay among rumen microbial populations inhabiting the rumen liquid of the progeny in beef cattleDownload
This study aimed to evaluate whether the host genetic background impact the ruminal microbial communities of the progeny of sires from three different breeds under different diets. Eighty five bacterial and twenty eight methanogen phylotypes from 49 individuals of diverging sire breed (Angus,...
Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotantsDownload
Background: The current study evaluated the subcutaneous fatty acid (FA) composition of calf- and yearling-fed steers with or without growth promoting implants. Crossbred steers (n = 112; 267 ± 5.0 kg) of the same contemporary group were allocated to one of four production system and implant...
Application of antimicrobials for the elimination of Escherichia coli and Listeria monocytogenes in brine injected beefDownload
The application of antimicrobials to a brine-injected raw beef roast for the elimination/inhibition of heat resistant Escherichia coli and Listeria monocytogenes was investigated. The choice of antimicrobials for use in brine injected beef was based on minimum bactericidal concentration in brine...
Relationship of Radiated Heat Loss Measured by Infrared Thermography to Residual Feed Intake in Beef HeifersDownload
Infrared thermography (IRT) has shown utility in predicting residual feed intake (RFI) differences in mature cows, growing bulls and finishing steers. It was hypothesized that efficient heifers would exhibit decreased radiated heat loss. RFIfat determined on sixty-one crossbred beef heifers over...
Identifying Gene Expression Differences Induced by Diets that Lead to Higher Omega-3 Fatty-Acid Deposition in Beef CowsDownload
A strong emphasis on the type of fatty acids (FAs) consumed in the human diet has emerged in recent years. In this context, the various health benefits of consuming omega-3 (n-3) polyunsaturated fatty acids (PUFAs) have been widely reported. Supplementation of beef cattle diets with flaxseed, a...