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Published online by Cambridge University Press: 24 November 2017
The development of genotypes with high protein deposition rates (PDR) has brought into question previously accepted theories concerning growth, protein deposition and nutrient requirements of pigs. It is clear that the full potential for lean deposition of these new genotypes can only be realized if we adopt appropriate nutritional strategies. As a first step the work reported here was conducted to determine the protein deposition rate of highly selected hybrid boars and to evaluate nitrogen balance and carcass composition techniques for estimating PDR.