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Revista de Producción Animal

On-line version ISSN 2224-7920


GUEVARA VIERA, Guillermo E et al. Small Fattening Units of Grazing Commercial Zebu with Low Supplementation. Rev. prod. anim. [online]. 2017, vol.29, n.1, pp.21-25. ISSN 2224-7920.

The objective of the work was to describe and group units of fattening of commercial Zebu bulls grazing with low supplementation. We studied 44 bovine meat production units belonging to credit and service cooperatives by private farmers, in the municipality Sibanicú, Camagüey province, Cuba. Visits to each of the units were carried out for three years and took the official records of each producer for the variables: the resources, animals, management, production and economics. The major statisticians for this variables were calculated. The average initial weight, final weight, the weight gain and the production by hectare were of 202,6; 371,6; 0,501 and 326,2 kg 339,7 days of fattening. Five principal components rotated (Varimax) were obtained. The Principal Analysis Components (PCA) showed a higher than 0,66 Kaiser-Meyer-Olkin coefficient, a coefficient of sphericity of significant Bartlett (P < 0,01) and eigenvalues greater than 1. Pooled units in two groups using two cluster analysis.

Keywords : herds; beef cattle; principal component; cluster.

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