The Nutrient Requirements of Ruminant Livestock: Technical Review, Tema 2Agricultural Research Council by the Commonwealth Agricultural Bureaux, 1980 - 351 páginas This work discusses the nutrient requirements of all forms of ruminant livestock. |
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Contenido
Chapter | 1 |
Body Composition of Cattle | 24 |
Gut Contents of Ruminants | 38 |
Derechos de autor | |
Otras 55 secciones no mostradas
Términos y frases comunes
absorption acid adequate allowances amount animals apparent assumed Blaxter body breeds calcium calculated calf calves castrates cattle changes coefficient composition concentration containing copper cows daily dairy deficiency degradability derived diet dietary digested dry matter edition effects efficiency empty-body endogenous equation estimates et al evidence ewes experiments factors faecal feed g/day g/kg gain given grass growing growth higher included increase intake iodine iron lactating lambs less live weight liver loss lower magnesium maintenance meal mean measured metabolizable energy mg/kg milk milk yield normal observations obtained phosphorus pregnancy present production protein range ration RDP UDP RDP receiving reduced Reference regression reported requirements retention retinol rickets rumen ruminants selenium sheep showed silage similar sodium sources studies suggested supplementation Table tissue trials utilization values vitamin weeks weight gain weight kg zinc