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Published online by Cambridge University Press: 02 September 2010
Selection based on average carcass densities of sibs was effective in breeding for leanness and for fatness in Large White pigs. Four herds were established for the five-year experiment, in which 615 pigs were slaughtered at bacon weights. Responses were obtained with both feeding to appetite and restricted feeding, but it was not possible to decide which was the preferable method.