Ortiz Rodríguez, Adrián A.

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Estrategias para mejorar la eficiencia de la producción de carne de res en el trópico: II. Efecto del genotipo y del nivel nutricional sobre las características y composición de la canal de toretes engordados a pastoreo
(2020-05-29) Ortiz Rodríguez, Adrián A.; Casas Guernica, Américo; College of Agricultural Sciences; Rivera Serrano, Aixa; Pagán Morales, Melvin; Department of Animal Science; Rúa de la Asunción, Armando
Sixty-nine Charolais x Senepol crossbred calves (Genotype = XSEN: > Senepol influence; XCHA: > Charolais influence) grazed tropical pastures under three nutritional planes (T1: grazing at a stocking rate of 1.1 head/acre; T2: grazing plus supplement at 0.50% of liveweight and a stocking rate of 1.3 head/acre; T3: grazing plus supplement at 1.00% of liveweight and a stocking rate of 1.5 head/acre plus a 65 to 75 days finishing period). The effect of nutritional plane was significant (P<0.05) for PCC, PcRend, PCD, PCT, PH. PcH, PcPC y RmaH. Nevertheless, it was not significant (P>0.05) for EGS, LEA, AP, LP, PcCD, PcCT, PM, PcM, PG, PcG, PT, PcT, PTend y PcTend. The effect of genotype was significant (P<0.05) for PCC, LP, PcCD, PCT, PcCT and PG, but had no significant effect (P>0.05) for PcRend, EGS, LEA, AP, PCD, PM, PcM, PH, PcH, PcG, PT, PcT, PTend, PcTend, PcPC y RMaH.