Fecha/hora: 09/06/2024 12:05:53

Biblioteca(s): | INIA Tacuarembó.
Fecha corriente: | 09/09/2014
Fecha de la última actualización: | 27/04/2020
Autoria: | VIÑOLES, C.; JAURENA, M.; DE BARBIERI, I.; DO CARMO, M.; MONTOSSI, F.
Afiliación: | CAROLINA VIÑOLES GIL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTIN ALEJANDRO JAURENA BARRIOS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUIS IGNACIO DE BARBIERI ETCHEBERRY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTIN DO CARMO CORUJO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FABIO MARCELO MONTOSSI PORCHILE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título: | Effect of creep feeding and stocking rate on the productivity of beef cattle grazing grasslands.
Año de publicación: | 2013
Fuente/Imprenta: | New Zealand Journal of Agricultural Research, 22 October 2013, v. 56, no. 4, p. 279-287.  http://dx.doi.org/10.1080/00288233.2013.840320
DOI: | 10.1080/00288233.2013.840320
Idioma: | Inglés

Notas:

History article: Received 17 January 2013; accepted 15 August 2013. Acknowledgements The authors would like to acknowledge the staff of the Research unit Glencoe, especially Pablo Cuadro and the graduate students of the Veterinary Faculty of Uruguay: Andrés Michelena, Andrea Martín, Verónica Echenique, Andrés Betancurt, Ignacio Quagliotti and Hector
Rosano for their excellent work during the development of the experiment. We would also like to thank Mariana Carriquiry and Paul Kenyon for their critical comments on this manuscript.

Contenido:

Ninety-six Hereford cow-calf pairs grazing Campo grasslands were used in a 2 × 2 factorial design that evaluated stocking rate (high [H] vs low [L]) and creep feeding (CF; yes or no). Creep-fed calves grazing L had a greater average daily gain (1.07 ± 0.03 kg/d) than CF calves grazing H (0.96 ± 0.03 kg/d; P < 0.05), but L?CF (0.78 ± 0.03 kg/d) and H?CF calves (0.73 ± 0.03 kg/d) had similar average daily gains (P > 0.05). Similarly, L+CF calves were heavier at weaning (172 ± 3 kg) than H+CF
calves (160 ± 3 kg), but weaning weights between L?CF (144 ± 3 kg) and H?CF (138 ± 3 kg; P > 0.05) did not differ. Creep-fed calves grazed less (39 ± 10%) than non-supplemented calves (58 ± 15%; P < 0.05). Creep feeding had no effect on milk production, body condition and live weight of the dams, so it had no impact on their reproductive performance. We conclude that CF promotes greater live weight gains and weaning weights of Hereford calves grazing Campo grasslands.

Palabras-Clave: | CALVES; CAMPO GRASSLANDS; CREEP FEEDING; PRODUCTIVE PERFORMANCE; WEANING WEIGHT.
Thesagro: | GANADO VACUNO; PASTURAS; SUPLEMENTACION.
Categoría del tema: | L01 Ganadería
Registro original: | INIA Tacuarembó (TBO)
Ejemplares: | TBO - (100016-1) - INI - AP - PP - PP/NEW ZEALAND J OF AGR RES/2013 -  -  - DIS