Efecto de la inmunocastración en el peso canal y las piezas nobles en cerdas Ibéricas de cebo
2013
Gómez-Fernández, José | Tomás, Cristina | Gómez-Izquierdo, Emilio | De-Mercado, Eduardo
A total of 192 Iberian females (Duroc*Iberian), with 110 days of age and 45 ± 3.41 kg BW, were used to study the effect of immunocastration in yield of carcass and prime lean cuts. There were three treatments: surgically castrated females (CC), entire females (CE), and inmunocastrated females (CI) the experimental design was a complete randomized blocks with 48 replicates total (4 pigs in each), 12 replicates per block and 16 per treatment. The feed, the same for all animals, was suministered ad libitum. After sacrifice, 31 pigs were selected for each treatment to assess the performance of carcass and main lean cuts. Treatment CI tended to improve slaughter and carcass weights (p0.05) and significantly less in the CC (p0.05) and significantly less in the CC (p55 %; p0.05) and quadratic for CE and CI (p<0.05). The immunocastration favors the growth of Iberian female; the surgical castration is the least interesting option.
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