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Carcass and meat quality of Talaverana breed sucking lambs in relation to gender and slaughter weight

Published online by Cambridge University Press:  18 August 2016

S. Velasco ,
S. Lauzurica ,
V. Cañeque ,
C. Pérez ,
F. Huidobro ,
C. Manzanares  and
M.T. Díaz
S. Velasco
Affiliation:
Instituto Nacional de Investigación Agraria y Tecnología Alimentaria, Departamento de Tecnología de los Alimentos, Carretera de la Coruña, km 7·5, 28040 Madrid, Spain
S. Lauzurica
Affiliation:
Universidad Complutense. Facultad de Veterinaria. Avenida Puerta de Hierro, s/n. 28040 Madrid, Spain
V. Cañeque
Affiliation:
Instituto Nacional de Investigación Agraria y Tecnología Alimentaria, Departamento de Tecnología de los Alimentos, Carretera de la Coruña, km 7·5, 28040 Madrid, Spain
C. Pérez
Affiliation:
Universidad Complutense. Facultad de Veterinaria. Avenida Puerta de Hierro, s/n. 28040 Madrid, Spain
F. Huidobro
Affiliation:
Instituto Madrileño de Investigación Agraria y Alimentaria, Apartado 127, 28800 Alcalá de Henares, Madrid, Spain
C. Manzanares
Affiliation:
Instituto Nacional de Investigación Agraria y Tecnología Alimentaria, Departamento de Tecnología de los Alimentos, Carretera de la Coruña, km 7·5, 28040 Madrid, Spain
M.T. Díaz
Affiliation:
Instituto Nacional de Investigación Agraria y Tecnología Alimentaria, Departamento de Tecnología de los Alimentos, Carretera de la Coruña, km 7·5, 28040 Madrid, Spain
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Abstract

Forty-five Talaverana breed sucking lambs of both sexes were slaughtered at 10 and 12 kg live weight in order to study the effect of gender and slaughter weight on carcass, meat and fat traits. Carcass dressing proportions and fatness (by various measures) were higher in females and heavier lambs, which also showed better conformation. Lightness (L*) of the carcass fat was higher in males and heavier lambs. Females and heavier lambs also displayed a greater proportion of fat on dissection, primarily due to a higher percentage of subcutaneous fat tissue. Water-holding capacity was greater in males and in lower-weight lambs. Males presented higher total collagen and lower soluble collagen values than females. In general, a high percentage of short-chain (C12:0 and C14:0) fatty acids, as well as of palmitic acid (C16:0), was observed in the intramuscular fat of the longissimus dorsi muscle, corresponding with an exclusively milk diet.

Keywords

carcass compositionlambmeat qualitysexslaughter weight
Type
Growth, development and meat science
Information
Animal Science , Volume 70 , Issue 2 , April 2000 , pp. 253 - 263
Copyright
Copyright © British Society of Animal Science 2000

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