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Interactions between Partial Replacement of Barley Grain with Dried Whey Permeate and Dietary Ruminally-degradable Protein Level on Ruminal Fermentation Characteristics, Nitrogen Utilization, Urea-n Recycling, and Production Performance in Dairy Cows
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chambwe, Tonderai |
| Copyright Year | 2019 |
| Abstract | . ii ACKNOWLEDGMENTS . iv LIST OF TABLES . viii LIST OF FIGURES . ix LIST OF ABBREVIATIONS . x 1 GENERAL INTRODUCTION . 1 2 LITERATURE REVIEW . 5 2.1 Sources of energy in dairy cow diets . 5 2.2 Digestion of starch . 6 2.2.1 Microbes involved with starch degradation . 7 2.2.2 Volatile fatty acid production in the rumen . 7 2.2.3 Volatile fatty acid absorption across the ruminal epithelium . 8 2.2.4 Volatile fatty acid utilization by dairy cows. . 12 2.3 Ruminal acidosis . 13 2.3.1 Clinical signs of sub-acute ruminal acidosis . 14 2.3.2 Prevalence and economic cost of sub-acute ruminal acidosis to dairy herds . 14 2.3.3 Factors affecting the severity of ruminal acidosis to dairy cows . 15 2.3.4 Bacterial changes associated with sub-acute ruminal acidosis . 15 2.3.5 Mitigation of SARA . 16 2.4 Effect of partial substitution of starch with simple sugars on ruminal pH . 17 2.5 Effect of partial substitution of starch with simple sugars on animal productivity . 18 2.6 Effect of partial substitution of starch with simple sugars on volatile fatty acid production.19 2.7 The efficiency of nitrogen utilization in dairy cows . 20 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://harvest.usask.ca/bitstream/handle/10388/12303/CHAMBWE-THESIS-2019.pdf?isAllowed=y&sequence=1 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
