Productivite de bovins N'Dama a la station de Teko (Sierra Leone) et premiers resultats de croisements avec la race Sahiwal

Carew, S.F.; Sandford, J.; Wissocq, Y.J.; Durkin, J.W.; Trail, J.C.M.

Productivite de bovins N'Dama a la station de Teko (Sierra Leone) et premiers resultats de croisements avec la race Sahiwal

Autores

Descripción

Examines the productivities of N'Dama cattle, introduced Sahiwal cattle, and Sahiwal X N'Dama crossbred at the Teko Livestock Station, Sierra Leone. Evaluates environmental and genetic effects relating to breed group, month and year of parturition or birth, age, sex, individual cow etc. as appropriate for each performance trait.

Palabras clave

sierra leone, sahiwal cattle, ndama cattle, productivity, crossbreeding, reproductivity, environment, body weight, mortality, age at first calving, calving interval, livestock management