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Revista de Producción Animal

versión On-line ISSN 2224-7920

Resumen

BERTOT VALDES, José Alberto et al. Seasonal pattern of births in dairy cattle during the period 1982-2017 in Camagüey, Cuba. Rev. prod. anim. [online]. 2019, vol.31, n.3, pp.10-18.  Epub 02-Dic-2019. ISSN 2224-7920.

Aim:

Define the evolution of the seasonal behavior of births in cattle during the period 1982-2017 in Camagüey, Cuba.

Materials and methods:

The artificial insemination data of the Camagüey Milk Basin, corresponding to the period from January 1982 to December 2017, were registered in the provincial delegation of the Ministry of Agriculture of Camagüey, Cuba. The information was divided into four stages, 1982 to 1990 (stage I), 1991 to 1999 (stage II), 2000 to 2008 (stage III) and 2009 to 2017 (stage IV), considering the changes in Cuban agriculture with respect to the form of land tenure. Seasonal decomposition of births was performed with a multiplicative model, throughout the period and at each stage. The criterion used to consider the existence of seasonal variation was a minimum difference of 10 %.

Results:

The seasonal factors reached positive values between February and July, with peaks in April and May throughout the period, with a seasonal pattern, common in the four stages characterized by the maximum values in the months of April and May.

Conclusions:

The results achieved determine the seasonality of births, which reaffirms the tendency of the dairy cow in Camagüey to match its biological behavior with the time of greater availability of pastures and, in this sense, the feasibility of strategically managing dairy herds regardless of the organizational changes that occurred in Cuban agriculture.

Palabras clave : cattle; reproduction; birth.

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