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The objective of this study was to estimate (co)variance components for reproductive traits and genetic correlations with weaning weight (WW) in Zebu cattle in Cuba. Data for 51,193 calvings of(More)
Milk production of Cuban Holstein cows was analyzed. There were 15415 lactation records of 9382 cows, which gave birth to the calves of 482 sires. Three models were established to study the milk(More)
RESUMEN Con el objetivo de estimar los componentes de (co)varianza del peso al destete en el ganado Cebu bermejo cubano se tomo una muestra de 5120 registros de animales hembras y machos que nacieron(More)
Fueron analizadas 15415 lactancias de 9.382 vacas Holstein en Cuba, hijas de 482 sementales. Se establecieron tres modelos para estudiar la produccion de leche en 305 d durante las primeras cuatro(More)