Du Plessis, Mariette; Roux, Carl Z.(South African Society for Animal Science, 1999)
In South Africa the exact breeding goal for Holstein Friesians still needs to be determined. This means that the traits, which should be most important in selection have to be identified. One method to identify these traits ...
Du Plessis, Mariette; Roux, Carl Z.(South African Society for Animal Science, 1998)
In this study economic weights for production and functional traits of the Holstein Friesians in South Africa were calculated using a simulation model. The production traits were milk, butterfat, protein and lactose yield ...
