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Skip to Search Results- 5Dairy cattle
- 3Genomic prediction
- 1Animal science
- 1Beef cattle--Cow-calf system
- 1Bovine somatotropin
- 1Calprotectin
- 1Carreira Bruinjé, Tony
- 1Engelking, Lauren E.
- 1Glimm, David R.
- 1Naazie, Augustine.
- 1Nayeri,Shadi
- 1Robert Mukiibi
- 1Ambrose, Divakar J (Department of Agricultural, Food and Nutritional Science)
- 1Dr. Changxi Li (Agricultural, Food & Nutritional Science)
- 1Lin, Guohui (Computing Science)
- 1Oba, Masahito (Animal Science)
- 1Paul Stothard, Department of Agricultural, Food and Nutritional Science
- 1Stothard, Paul (Agricultural, Food and Nutritional Science)
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Improving Accuracy of Genomic Prediction for Economically Important Traits in Canadian Holstein Dairy Cattle
DownloadSpring 2017
Milk is a valuable source of energy, high quality protein, and several key minerals and vitamins for humans. Selection for milk production in dairy cattle was first based on phenotype and pedigree information and the knowledge of genetic parameters for the trait of interest. However, substantial...
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Fall 2023
The calving transition is a challenging period for dairy cows characterized by negative energy balance, metabolic dysfunction, and inflammation, each of which may compromise milk production. Despite extensive research in this area, much is still unknown on how to best manage this period. The...
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USING IN-LINE MILK PROGESTERONE DATA TO DETERMINE OVARIAN ACTIVITY PARAMETERS ASSOCIATED WITH REDUCED FERTILITY IN CANADIAN HOLSTEIN COWS
DownloadFall 2017
Improvements in genetic selection and dairy management practices have resulted in dramatic increases in individual milk production over past decades. However, this positive trend has been accompanied by decreased reproductive performance and fertility in dairy cows. Infertility in modern dairy...
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Fall 2017
In this dissertation, I focus on the study of genotype imputation in population data. Genotype imputation is a process of inferring missing values for genotype data and has been extended to predicting “untyped” genotypes for samples in low-density chips with a reference population assayed using...
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Identification of functional genes for feed efficiency traits via transcriptome analyses to enhance the genomic prediction accuracy in beef cattle
DownloadFall 2019
Residual feed intake (RFI), a measure of feed efficiency, and its component traits including average daily gain (ADG), dry matter intake (DMI) and metabolic weight (MWT) are traits of great economic importance to the beef industry. The genetic improvement of these traits can improve the...