Guillermina Gregoretti, J. Baudracco, Carlos Dimundo, A. Alesso, B. Lazzarini, Claudio Machado
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引用次数: 0
Abstract
(vacas -1 (kg PV ha -1 año -1 ; p < 0,0001) y producción de carne total (kg PV ha -1 -1 < 0,0001). Los tecnificados que ABSTRACT The productive characterization of livestock systems is a key aspect when designing management plans aimed at increasing beef production in a region. The objective of this work was to characterize technified cow-calf systems farms. Descriptive statistics and multivariate analyzes were performed at a significance level of p ≤ 0.05. Stocking rate (cows ha -1 ), weaning rate (%) and beef production (kg LW ha -1 year -1 ) of the surveyed farms were 15, 38 and 84% higher, respectively, compared with typical systems of the region. The higher area with cultivated species was positively correlated with pregnancy rate (p = 0.0269) and weaning rate (p = 0.0051). Supplementation level of cows (p = 0.0259) was positively associated with stocking rate (cows ha -1 ). Furthermore, stocking rate (cows ha -1 ) correlated positively with higher calf production (kg LW ha -1 year -1 ; p < 0.0001) and total beef production (kg LW ha -1 year - 1 ; p < 0.0001). Technified farms showed a better productive performance compared to that of typical cow-calf systems in the region studied.
期刊介绍:
Revista Chile de Agricultura y Ciencias Veterinarias es una revista de acceso abierto (open access), que significa que su contenido está disponible en forma gratuita para los usuarios y sus instituciones. Los usuarios pueden leer, descargar, copiar, distribuir, imprimir, buscar, o establecer una conexión a los artículos sin necesidad de pedir autorización previa al editor o a los autores. Esto es de acuerdo con la definición de Budapest Open Access Initiative (BOAI). Los artículos se publican bajo una licencia de Creative Commons reconocimiento No Comercial 4.0 Internacional. Copyright: Se autoriza la reproducción y cita de los artículos publicados en Chilean Journal of Agricultural & Animal Sciences (ex Agro-Ciencia), siempre que se indique el nombre del autor(es), año, volumen, número y páginas. Las opiniones y afirmaciones expuestas en los trabajos representan exclusivamente los puntos de vista de los autores. La mención de productos o marcas comerciales en la revista no implica una recomendación por parte de la Universidad de Concepción.