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Revista de Producción Animal

versión On-line ISSN 2224-7920

Resumen

RAMON GARCIA-DIAZ, Juan et al. Reproductive Behavior of Genotypes Zebu and 5/8 Zebu x 3/8 Simmental in Central Cuban Locations. Rev. prod. anim. [online]. 2018, vol.30, n.2, pp.44-51. ISSN 2224-7920.

The aim of this paper was to evaluate the reproductive behavior of female Zebú and 5/8 Zebu x 3/8 Simmental on a genetic farm in the central region of Cuba. The research was made between 2010 and 2014. The individual records of 255 cows; 200 Zebus (106 White and 94 Bermeja) and 55 crossbreds (5/8 Zebu x 3/8 Simmental) were included. The calving-first insemination interval (CFI) and calving-gestation interval (CGI), inter-calving period (ICP), and service per gestation (S/G) were calculated. Besides, the effects of genotype, parity, quarter and year of calving were evaluated using the above indicators. The descriptive stratigraphy was calculated, and a general linear model was used to determine the effects of each variation source. The three genotypes showed low reproductive efficiency, though slightly more favorable for 5/8 Zebu x 3/8 Simmental. The calving year, genotype, and parity influenced (P < 0.05) the CFI, CGI, and ICP. The calving quarter only influenced (P < 0.05) the CGI. The gestation service was not influenced by any factor. It was concluded that the three genotypes studied underwent high deterioration of reproductive indicators, influenced by the genotype, quarter, calving year, and parity.

Palabras clave : reproductive behavior; Zebu; reproduction; anestrus.

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