Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions
<p>The effect of gender (entire males <em>vs</em> females) on growth performance, carcass traits and meat and fat quality of Avileña-Negra Ibérica calves, fattened under free range conditions and supplemented with concentrate, were investigated. The average daily gain, leg width an...
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doaj-6324e562946b4f818c758458235cb00b2020-11-25T00:50:42ZengInstituto Nacional de Investigación y Tecnología Agraria y AlimentariaSpanish Journal of Agricultural Research2171-92922014-07-0112368369310.5424/sjar/2014123-46932078Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditionsArgimiro Daza0Ana I. Rey1Celia Lopez-Carrasco2Clemente J. Lopez-Bote3Dpto Producción Animal, Escuela Técnica Superior de Ingenieros Agrónomos, Universidad Politécnica de Madrid, Ciudad Universitaria 28040 MadridDpto Producción Animal, Facultad de Veterinaria, Universidad Complutense, Ciudad Universitaria 28040 MadridCIA “Dehesón del Encinar”, Junta de Comunidades de Castilla-La Mancha, Oropesa, ToledoDpto Producción Animal, Facultad de Veterinaria, Universidad Complutense, Ciudad Universitaria 28040 Madrid<p>The effect of gender (entire males <em>vs</em> females) on growth performance, carcass traits and meat and fat quality of Avileña-Negra Ibérica calves, fattened under free range conditions and supplemented with concentrate, were investigated. The average daily gain, leg width and thorax depth were higher in males than in females. Carcass conformation score, fore-quarter weight and percentage in carcass were higher in males than in females, whereas dressing percentege, loins and flank percentages in carcass and carcass fatness degree were higher in females than in males. Instrumental colour variables of muscle were not affected by gender at days 1, 3, 7 and 9 of refrigerated storage. In muscle, the L<sup>*</sup>, a<sup>*</sup>, b<sup>*</sup>, chroma, oxymyoglobine and oxymyoglobine/metmyoglobine ratio values observed 9 days after slaughter were lower than those at days 1 and 3 after slaughter. Intramuscular fat percentage of <em>Longissimus thoracis</em> muscle was higher in females than in males. Gender had no effect on α-tocopherol content in intramuscular fat (IMF) from <em>Longissimus thoracis </em>muscle. The omental and IMF of females had lower C18:2 n-6, Σ n-6 and Σ PUFA proportions than those from the males. In IMF C16:1, C18:1 n-9 and Σ MUFA proportions were greater in females than in males. The IMF percentage in <em>Longissimus thoracis</em> affected significantly to its fatty acid composition.</p>http://revistas.inia.es/index.php/sjar/article/view/4693fatty acidsintramuscular fatmeat colourproductive resultssex |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Argimiro Daza Ana I. Rey Celia Lopez-Carrasco Clemente J. Lopez-Bote |
spellingShingle |
Argimiro Daza Ana I. Rey Celia Lopez-Carrasco Clemente J. Lopez-Bote Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions Spanish Journal of Agricultural Research fatty acids intramuscular fat meat colour productive results sex |
author_facet |
Argimiro Daza Ana I. Rey Celia Lopez-Carrasco Clemente J. Lopez-Bote |
author_sort |
Argimiro Daza |
title |
Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions |
title_short |
Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions |
title_full |
Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions |
title_fullStr |
Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions |
title_full_unstemmed |
Effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of Avileña-Negra Ibérica breed fattened under free-range conditions |
title_sort |
effect of gender on growth performance, carcass characteristics and meat and fat quality of calves of avileña-negra ibérica breed fattened under free-range conditions |
publisher |
Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria |
series |
Spanish Journal of Agricultural Research |
issn |
2171-9292 |
publishDate |
2014-07-01 |
description |
<p>The effect of gender (entire males <em>vs</em> females) on growth performance, carcass traits and meat and fat quality of Avileña-Negra Ibérica calves, fattened under free range conditions and supplemented with concentrate, were investigated. The average daily gain, leg width and thorax depth were higher in males than in females. Carcass conformation score, fore-quarter weight and percentage in carcass were higher in males than in females, whereas dressing percentege, loins and flank percentages in carcass and carcass fatness degree were higher in females than in males. Instrumental colour variables of muscle were not affected by gender at days 1, 3, 7 and 9 of refrigerated storage. In muscle, the L<sup>*</sup>, a<sup>*</sup>, b<sup>*</sup>, chroma, oxymyoglobine and oxymyoglobine/metmyoglobine ratio values observed 9 days after slaughter were lower than those at days 1 and 3 after slaughter. Intramuscular fat percentage of <em>Longissimus thoracis</em> muscle was higher in females than in males. Gender had no effect on α-tocopherol content in intramuscular fat (IMF) from <em>Longissimus thoracis </em>muscle. The omental and IMF of females had lower C18:2 n-6, Σ n-6 and Σ PUFA proportions than those from the males. In IMF C16:1, C18:1 n-9 and Σ MUFA proportions were greater in females than in males. The IMF percentage in <em>Longissimus thoracis</em> affected significantly to its fatty acid composition.</p> |
topic |
fatty acids intramuscular fat meat colour productive results sex |
url |
http://revistas.inia.es/index.php/sjar/article/view/4693 |
work_keys_str_mv |
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