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Trop Anim Health Prod ; 44(8): 1833-9, 2012 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-22528532

RESUMO

This study characterized the population of wool ewes in the highlands of the State of Puebla, Mexico, considering traits such as fleece color, weight, and body measurements. In this region, dominated by a temperate climate, sheep are a traditional animal species for farming systems. To carry out the work, 2,082 ewes were randomly selected from 14 communities and 124 flocks belonging to the six municipalities that have the largest inventory of sheep in the state. For each ewe, live weight, breed, fleece color pattern, and 18 other body measurements were recorded. Descriptive statistics were estimated for weight and body traits and the morphotype was classified by multivariate analysis. Factor analysis identified the bulk, size, and breed standard as the attributes that best describe the population of ewes. These elements varied in importance among the groups (p < 0.05). Cluster analysis helped to classify the population into small black-faced ewes (28.5 %), small white ewes (11.9 %), black-faced medium-sized ewes (24.1 %), large ewes (12.3 %), and white medium-sized ewes (23.2 %). The groups identified were similar to creole sheep present in rural communities in other environments, but have lower morphostructural values than specialized breeds.


Assuntos
Tamanho Corporal , Carneiro Doméstico/fisiologia , Lã/fisiologia , Criação de Animais Domésticos , Animais , Peso Corporal , Análise por Conglomerados , Feminino , México , Fenótipo , Pigmentação , Carneiro Doméstico/anatomia & histologia , Carneiro Doméstico/genética , Especificidade da Espécie
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