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Revista de Producción Animal

On-line version ISSN 2224-7920

Abstract

HORRACH JUNCO, Maydier Norman et al. Technical Efficiency of Artificial Insemination in Dairy Cattle Companies in the Province of Camagüey, Cuba. Rev. prod. anim. [online]. 2017, vol.29, n.1, pp.44-49. ISSN 2224-7920.

The technical efficiency behavior of artificial insemination in dairy cattle companies in the province of Camaguey, Cuba, was assessed. Breeding data from January 2009December 2005, from the livestock Vice Presidency of the Ministry of Agriculture in the province were used in the study. The technical efficiency of insemination was calculated from the total number of inseminated females that tested positive to pregnancy diagnostic in every month and company. Range graphic and frequency analyses were performed, and the series components were determined by the multiplicative method. Autocorrelation analysis and seasonal decomposition were made, considering ± 10 % as seasonability criterion. The technical efficiency values observed for artificial insemination ranged between 40 and 64 %, with a mean of 51.49 %. The most commonly observed frequencies were between 48 and 56 %, with a stable behavior, and seasonal indexes between 90.21 (May), to 108.91 (September). The decrease in the mean values of technical efficiency in artificial insemination was characterized by the lack of seasonal behavior. It indicated the need to evaluate other factors related with the technical work, as well as organizational aspects of breeding linked to measures implemented by management in 2008.

Keywords : seasonability; dairy cattle; artificial insemination; time series.

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