[Dependence of gross energy, digestible and metabolizable energy of feed and the energy onset on the content of digestible nutrients in regard to starch and sugar. A contribution to the further development of energetic feed evaluation. 2. Results from studies of cattle].
On the basis of an analysis of energy metabolism measurements on adult cattle (oxen), fed on 110 rations with very heterogeneous nutrient composition, the following prediction equations for gross energy (y1), digestible (y2) and metabolizable energy (y3) as well as for energy deposition effect of rations (y) (kJ) are presented: y1 = 23.6z1 + 34.0z2 + 17.3z3 + 16.0z4 + 19.1z5 y2 = 23.6x1 + 34.0x2 + 17.3x3 + 16.0x4 + 18.0x5 y3 = 17.3x1 + 34.0x2 + 15.9x3 + 15.1x4 + 15.4x5 y = (6.5x + 26.6x2 + 10.1x3 + 7.5x4 + 8.9x5) (-0.5574 + 0.04050x6 - 0.0002633x6(2)) [table: see text]
Hoffmann
L
L
Forschungsinstitut für die Biologie landwirtschaftlicher Nutztiere, Rostock, Germany.
Jentsch
W
W
Beyer
M
M
D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000378:metabolism* / Q000502:physiology; D004040:Dietary Carbohydrates / Q000378:metabolism*; D004063:Digestion; D004734:Energy Metabolism; D009753:Nutritive Value; D012044:Regression Analysis; D013213:Starch / Q000378:metabolism
D004040:Dietary Carbohydrates; D013213:Starch
Abhängigkeit von Brutto-, verdaulicher und umsetzbarer Energie des Futters sowie des Energieansatzes vom Gehalt an verdaulichen Nährstoffen unter Berücksichtigung von Stärke und Zucker. Ein Beitrag zur Weiterentwicklung der energetischen Futterbewertung. 2. Mitteilung--Ergebnisse aus Untersuchungen mit Rindern.