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1. Regrouping of pigs by body weight at weaning does not affect growth performance, carcass quality or uniformity at slaughter of heavy weight pigs

Author

J. D. Berrocoso, Clemente J. Lopez-Bote, L. Cámara, Carlos de Blas, A. Fuentetaja, and Gonzalo Gonzalez Mateos

Subjects
Veterinary medicine, 040301 veterinary sciences, 0402 animal and dairy science, 04 agricultural and veterinary sciences, General Medicine, Biology, Body weight, 040201 dairy & animal science, Feed conversion ratio, 0403 veterinary science, Animal science, Weaning, Heavy weight, General Agricultural and Biological Sciences
Abstract

We studied the influence of pen uniformity at weaning (7.5 ± 0.6 kg vs. 7.5 ± 1.2 kg body weight (BW ± SD)) and sex on growth performance during the nursery (7.5 to 27.3 kg BW) and the fattening (27.1 to 130.5 kg BW) phases and carcass quality of barrows and castrated females (CF). During the nursery phase, pigs from the more uniform pens had lower feed efficiency (P = 0.05) than pigs from the less uniform pens. Also, barrows had higher average daily feed intake (ADFI) (P

Published
2015
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