Comparative performance of five genotypes of Indonesian large ruminants. 2. Growth and development of non-carcass components

Abstract

The weights of carcass and non-carcass components were recorded in 105 serially slaughtered bulls comprising Madura, Ongole, Bali, Grati (Friesian cross) and swamp buffaloes that had been fed diets containing 85 or 30% concentrate for up to 280 days. Huxley's allometric equation was used in its logarithmic form as the basis for covariance analyses of the data. Dressing percentages, in decreasing order, were Madura, Bali, Ongole, Grati and buffalo, and were inversely related to weights of gut contents, head, feet, hide and internal offal (pluck, liver, spleen and kidney and empty gut). Weights of abdominal fat depots were lowest in the Grati bulls. There were both genetic and dietary influences on the proportional development of components of the alimentary tract.