80 carcasses of rabbits of two breeds, New Zealand and California, selected on litter size and growth rate repectivelv, were dissected according to a cross sectional design with slaughter point fixed at weekly intervals from 1 to 20 weeks of age. Allometric coefficients of the main tissues referred to liveweight and carcass weight were estimated. Gompertz growth curves were fitted to estimate the adult liveweight and carcass weight, and the mature weight of the main tissues. Maturity coefficients of muscle, bone and fat were obtained. No significant differences were found between selected and unselected lines in allometric coefficients of muscle tissue, but maturity coefficients indicated that some changes in maturity due to selection on growth rate could take place.

Agustin Blasco, P. Gou, M. A Santacreu

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XVI. Poultry, fish and horse genetics and breeding, growth and reproduction, immune response and disease resistance., , 362–365, 1990
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