Abstract VERGARA G, Oscar; BOTERO A, Luz and MARTINEZ B, Caty. FACTORES AMBIENTALES QUE AFECTAN LA EDAD AL PRIMER PARTO Y PRIMER INTERVALO DE PARTOS EN VACAS DEL SISTEMA DOBLE PROPOSITO. Rev. MVZ Cordoba [online]. 2009, vol. 14, n. 1, pp. 1594-1601. ISSN 0122-0268. Objective. To determinate the factors that influence the age at first calving (AFC) and first calving interval (FCI) in female cows under the double purpose system on the farm" Rodeo", municipality of Magangué, Bolivar
