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Factors affecting pre- and post-weaning growth and body composition in kid goats of the Granadina breed

Published online by Cambridge University Press:  02 September 2010

M. R. Sanz Sampelayo ,
F. J. Muñoz ,
L. Lara ,
F. Gil Extremera  and
J. Boza
M. R. Sanz Sampelayo
Affiliation:
Estación Experimental del Zaidín (Consejo Superior de Investigaciones Cientificas) Departamento de Fisiología Animal, Profesor Albareda, 1, 18008 Granada, Spain
F. J. Muñoz
Affiliation:
Estación Experimental del Zaidín (Consejo Superior de Investigaciones Cientificas) Departamento de Fisiología Animal, Profesor Albareda, 1, 18008 Granada, Spain
L. Lara
Affiliation:
Estación Experimental del Zaidín (Consejo Superior de Investigaciones Cientificas) Departamento de Fisiología Animal, Profesor Albareda, 1, 18008 Granada, Spain
F. Gil Extremera
Affiliation:
Estación Experimental del Zaidín (Consejo Superior de Investigaciones Cientificas) Departamento de Fisiología Animal, Profesor Albareda, 1, 18008 Granada, Spain
J. Boza
Affiliation:
Estación Experimental del Zaidín (Consejo Superior de Investigaciones Cientificas) Departamento de Fisiología Animal, Profesor Albareda, 1, 18008 Granada, Spain
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Abstract

Thirty-two kid goats of the Granadina breed were used in four trials of three factors: milk type (goat milk and milk replacer), intake level (1·86 and 2·48 maintenance) and slaughter age (15, 30, 45 and 60 days). Weaning was carried out between the 31st and 45th days. The composition of the carcass and its different cuts and the development of the stomach compartments were studied.

Both the high intake level and use of goat milk produced a statistically greater fat proportion in the carcass. At 30 days of age in kids given goat milk at the high intake level the fat proportion of the carcass was 130 g/kg. The variations in bone proportions were inverse to those for fat. The muscle proportions were affected by age, overall. The tissue composition of the different cuts showed similar responses to those in the carcass. The stomach compartments were affected most by age.

The results show that kids of the Granadina breed have a good fattening capacity. The feeding and weaning system used here produced kids by 60 days of age with stomach compartments similar in proportion to those of adult goats.

Type
Papers
Information
Animal Production , Volume 45 , Issue 2 , October 1987 , pp. 233 - 238
Copyright
Copyright © British Society of Animal Science 1987

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