ENVIROMENTAL AND GENETIC ASPECTS RELATED WITH CALVING INTERVAL IN ROMOSINUANO BREED
Journal Title: Revista MVZ Cordoba - Year 2006, Vol 11, Issue 2
Abstract
Objective. To study the environmental and genetic factors that influence on the calving interval of romosinuano females bovines. Materials and methods. 1.911 data were analyzed retrospectively the interval calving of romosinuano females bovines from a herd at the Turipaná Experimental Station of CORPOICA, Cereté, Colombia, from 1980 until 2003. For the study of the environmental factors the method of the minimum squares was used by means of the PROC GLM of SAS procedure. Results. The estimated mean for the interval calving was of 433,60 ± 3,69 days, with a standard deviation of 139,18 days and a coefficient of variation of 32,10%. The estimated heredity through the components of variance of the MTDFREML method was of 0,05 ± 0,04. Conclusion. The variance analysis revealed that the year, the month of birth and the calving number were causes statistically significant of variation of the interval calving.
Authors and Affiliations
Gustavo Ossa S*| Programa Nacional de Recursos Genéticos y Biotecnología Animal, CORPOICA. C.I. Turipaná. Montería, Córdoba - Colombia.Correspondencia: sarazgossa@yahoo.es, Marco Suárez T| Universidad Agraria de La Habana. Facultad de Medicina Veterinaria, Departamento de Producción Animal. La Habana, Cuba., Juan Pérez G| Programa Nacional de Recursos Genéticos y Biotecnología Animal, CORPOICA. C.I. Turipaná. Montería, Córdoba - Colombia.
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