Search
Skip to Search Results- 2Betti, Mirko (Agricultural, Food and Nutritional Science)
- 1Adamowicz, Wiktor (Resource Economics and Environmental Sociology)
- 1Alexander, Trevor (AAFC)
- 1Anders, Sven (Resource Economics and Environmental Sociology)
- 1Basarab, John (Alberta Agriculture and Rural Development)
- 1Bork, Edward (Agricultural, Food, and Nutritional Science)
-
Application of manure from cattle fed with different diets affects soil properties and greenhouse gas emissions
DownloadSpring 2019
Cattle production contributes the largest portion of livestock agricultural greenhouse gas (GHG) emissions in Canada mostly in the form of methane (CH4). Efforts to reduce CH4 emissions have led to modification of diet composition for livestock, resulting in a corresponding change in manure...
-
Performance and Methane Emissions of RFI Selected Cattle in Drylot and Under Open Range Conditions
DownloadSpring 2018
Residual feed intake (RFI) is a moderately heritable trait that can be used to measure feed efficiency in beef cattle, and thereby reduce feed related costs. RFI has been primarily evaluated under drylot conditions where diet, feed intake and activity levels are controlled and foraging behaviour...
-
Spring 2016
Consumers’ concerns about animal diseases, production and processing methods could drive their choices of food products. Consumers’ choices of food products will influence their nutritional status. Understanding preferences for food products could inform policy and assist in forecasting future...
-
Fall 2009
Experiments were conducted to determine the effects of nutrition, temperature during feed withdrawal, shackling duration, sex and age at processing on broiler quality. Low energy (94% of recommended) diets resulted in a lower percentage of carcass fat while increasing the percentage of carcass...
-
Patterns of Genomic Variation and Whole Genome Association Studies of Economically Important Traits in Cattle
DownloadFall 2012
Functionally important genetic variations in cattle have great potential as tools to increase agricultural production once they are identified through association studies of phenotype and genotype. The objectives of this thesis were: 1) to characterize the genome-wide patterns of linkage...
-
Novel feed enzyme delivery method: Binding exogenous feed enzymes to Bacillus spores to improve enzyme stability and total tract digestibility
DownloadFall 2018
The effects of binding feed enzymes to Bacillus subtilis (strain RK28) spores on enzyme stability and digestion in cattle were studied in comparison to unbound enzymes. Optimal conditions for adsorbing six different enzymes (α-amylase, β-glucanase, feruloyl esterase, phytase, purified xylanase,...
-
Fall 2017
Strains of Escherichia coli may survive heat or pressure stress, acquire specific virulence genes and cause severe human diseases. The locus of heat resistance (LHR) has been identified as an important heat resistant element in E. coli. The objective of this thesis was to explore the role of the...
-
Fall 2011
Consumer acceptance of meat depends on its colour and there is a negative bias in North America for broiler dark meat. Freezing and cooking leads to changes in meat characteristics and colour of broiler chicken thighs. The first experiment focused on the effect of freezing and cooking on broiler...
-
Antimicrobial activity and meat colour stabilizing properties of Carnobacterium maltaromaticum
DownloadSpring 2012
Listeria monocytogenes is a foodborne pathogen of concern in meat products. Also, many fresh meat products packaged for retail sale with oxygen permeable films are prone to browning, leading to a decrease in sales. The first objective of this study was to investigate the inhibitory effect of C....
-
Assessment of rumen microbiota in beef heifers with different feed efficiency and managed under different feeding systems
DownloadSpring 2020
The linkage between rumen microbiota and feed efficiency has been studied in cattle managed under the drylot system, especially in the feedlot with high-grain diets. However, pasture-based beef operations still dominate the beef production system around the world. In Alberta and other provinces...