Forage Evaluation in Ruminant NutritionCurrent pressures to maximise the use of forages in ruminant diets have renewed interest in fast, inexpensive methods for the estimation of their nutritional value. As a result, a wide variety of biological and physiochemical procedures have recently been investigated for this purpose.This book is the single definitive reference volume on the current status of research in this areaCovers all forages eaten by ruminant animals |
Contents
| 3 | |
| 15 | |
Intake of Forages | 43 |
Estimating the Energy Value of Forages | 63 |
Forage Evaluation Using Measurements of Energy Metabolism | 95 |
The Measurement of Forage Digestibility In Vivo | 113 |
Faeces as a Source of Microbial Enzymes for Estimating Digestibility | 135 |
Enzyme Techniques for Estimating Digestibility | 155 |
Enzymatic and Microbialcell Preparation Techniques for Predicting | 259 |
Physicochemical Approaches | 281 |
an Alternative Approach | 301 |
NMR and Other Physicochemical Techniques for Forage Assessment | 321 |
Minerals Vitamins Antinutritive and Other Factors | 345 |
Major Minerals in Forages | 373 |
vii | 389 |
Vitamins in Forages | 399 |
The In Situ Technique for the Estimation of Forage Degradability | 175 |
Cumulative Gasproduction Techniques for Forage Evaluation | 189 |
Estimating the Protein Value of Forages | 215 |
In Situ Techniques for the Estimation of Protein Degradability | 233 |
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Common terms and phrases
Agricultural Science amino acids analysis Animal Feed Science Animal Production Animal Science Beever British Journal carbohydrate cattle cellulase cellulolytic chemical clover concentration crops dairy cows Dairy Science determination diet dietary dry matter effect enzymes equations estimates factors faecal faeces fatty acids feed intake feedstuffs fermentation fibre forage Forage Evaluation fraction gas production grass silage Grassland grazing herbage Hvelplund increased incubation inoculum Journal of Agricultural Journal of Animal Journal of Dairy Journal of Nutrition kg-¹ laboratory lactating legumes lignin livestock lucerne maize markers measure metabolism method mg kg-1 DM microbial microbial protein mineral Minson nitrogen nutrients Ørskov pepsin plant prediction protein degradation Research residues roughages rumen rumen fluid ruminants ryegrass samples Science and Technology sheep silage Soest soil soluble species spectroscopy starch straw substrate tannins technique tion tropical undegraded vitamin vitamin E vitro vivo digestibility