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      Características al Sacrificio, Rasgos de la Canal y Rendimiento Carnicero de Novillos Criollo Limonero Sometidos a Suplementación Durante la Fase de Ceba a Pastoreo Translated title: Slaughter Characteristics, Carcass Traits and Cutability of Criollo Limonero steers Fattened on Pasture with Supplementation Regimes

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          Abstract

          Se estudiaron efectos de dos tipos de suplementación a pastoreo sobre características al sacrificio, rasgos en canal y rendimiento carnicero de 23 novillos de la raza Criollo Limonero. A los 36 meses de edad, éstos se distribuyeron aleatoriamente a tres grupos durante 158 d: T1 = Pastoreo (Echinochloa polystachia) no suplementado, como testigo; T2 = Pastoreo más 1,0 Kg/animal/día de concentrado al 11% PC y T3 = Pastoreo más 1 h/día ramoneando Leucaena leucocephala. Análisis de varianza-covarianza por el método de mínimos cuadrados indicaron que ningún tratamiento de suplementación (T2, T3), afectó (P > 0,05) el rendimiento en canal, los rasgos de la canal y variables de rendimiento en cortes. Solo se observó una menor proporción de vísceras blancas frente al testigo del grupo suplementado con Leucaena (7,98% vs. 7,07%). Se sugiere estudiar otras alternativas de manejo y de alimentación con alta energía que permitan mejorar la calidad de la canal y el rendimiento cárnico de novillos de esta raza Bos taurus lechera tropical.

          Translated abstract

          The effects of two types of on-pasture supplementation on slaughter characteristics, carcass traits and cut yield of purebred steers of the native Criollo Limonero dairy breed were studied. Thirty-six months old animals were randomly alloted to the following treatments during a 158-d fattening trial: T1 = a non-suplemented control group grazing Echinochloa polystachia grass; T2 = grazing plus 1 Kg/d/head of a concentrate to 11% CP, and T3 = grazing plus 1h/d of pruning an arboreal legume (Leucaena leucocephala). Analysis of variance-covariance by the least squares method indicated that none of the supplementation treatments (T2, T3) affected (P > 0.05) dressing percentage, carcass traits and cut yield. The only significant effect observed was the lesser proportion of white viscera (rumen and annexes) yielded in animals supplemented with Leucaena as compared to the control (7.98% vs. 7.07%). Other management and/or feeding strategies with high-energy diets need to be assessed to improve the carcass quality and cut yield performance of this tropically-adapted Bos taurus breed.

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          Leguminosas forrajeras arbóreas en la agricultura tropical

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            User’s Guide: Statistics (Release 6,03)

            (1996)
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              Leguminosas forrajeras arbóreas en la agricultura tropical.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rc
                Revista Científica
                Rev. cient. (Maracaibo)
                UNIVERSIDAD DEL ZULIA (Maracaibo )
                0798-2259
                July 2006
                : 16
                : 4
                : 315-324
                Affiliations
                [1 ] Universidad del Zulia
                [2 ] Instituto Nacional de Investigaciones Agrícolas, Ministerio de Ciencia y Tecnología
                [3 ] Universidad del Zulia Venezuela
                Article
                S0798-22592006000400006
                fbf0adc4-efc4-4aeb-9cf7-b3518a36e2d4

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Venezuela

                Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=0798-2259&lng=en
                Categories
                ENGINEERING, MULTIDISCIPLINARY
                VETERINARY SCIENCES

                General veterinary medicine,General engineering
                Steer,supplementation,criollo cattle,Leucaena spp.,carcasses,Novillo,suplementación,criollo,Leucaena spp,canales

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