Data extracted from the analysis of herd records were entered in Excel. The descriptive statistical analysis of the age at first calving (calculation of frequencies, means, standard deviations, minimum and maximum) was made with the XLSTAT software (6.1.9 release). These parameters were analyzed by ANOVA and the results were compared using the Newman-Keuls test. Differences were considered significant for p < 0.05.

In order to finest see the aftereffect of the newest crossbreeding with the sexual precocity off crossbreed pets, the new AFC is reviewed predicated on: crossbreed kind of, race from sire mothers (bull and you will inseminated local cows), hybridization peak and you will inventory farms

The fresh new imply ages initially calving for everybody breeds built try ± days, representing just as much as 3 years (couple of years eleven weeks 19 days ± eleven weeks a day). Continue reading →