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Effects of feeding a high-fiber byproduct feedstuff as a substitute for barley grain in the diets of dairy cows in early lactation
DownloadSpring 2012
The objective of this study was to evaluate effects of using wheat dried distillers’ grains with solubles (DDGS) to replace barley grain in the diet on dry matter intake (DMI), milk production and rumen fermentation of early lactation dairy cows. Sixty-one Holstein cows including thirteen...
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Evaluation of dried distillers grains with solubles as a partial replacement of barley silage or barley grain in diets for lactating dairy cows
DownloadSpring 2010
Feeding value of dried distillers grains with soluble (DDGS) as an energy source for lactating dairy cows was evaluated in two studies. A diet in which barley grain was replaced by DDGS at 20% of dietary dry matter (DM) did not affect milk yield but tended to increase rumen pH compared with the...
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Fall 2012
Sub-acute ruminal acidosis is a digestive disorder experienced by animals fed a high grain diet, and causes substantial economic loss to the dairy industry. The objective of this research was to evaluate novel approaches to manage and prevent sub-acute ruminal acidosis. In Study 1, I found that...
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Evaluation of seed hardness and malting characteristics of barley grain for use in ruminant diets
DownloadSpring 2015
In Western Canada, over 70% of the barley grain grown for malt is sold as livestock feed. The main objective of this thesis was to investigate the relationship between ruminal dry matter digestibility (DMD) and seed hardness (SH) and malting characteristics (MC) of barley grain by measuring in...