Agronomía Mesoamericana
Estimación lineal de los requerimientos nutricionales del NRC para ganado de leche.
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Abstract
Linear regression equations have been obtained to directly calculatenutrient requirements of dairy cattle (TDN, DE, ME, NEL,CP, Ca, P, Vitamin A and Vitamin D) on differentphysiological stages: maintenance, pregnancy and milkproduction based on NRC nutrient requirements tables. TheR-square was calculated for each equation to establish thedegree of adjustment.
DOI: 10.15517/am.v13i1.13244 · Publisher: Universidad de Costa Rica