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.
The imply years at first calving for everyone breeds built are ± weeks, representing whenever three-years (2 yrs eleven months 19 days ± eleven months a day). Probably the most precocious heifers calved in this couple of years ( months). Having fifty% out of heifers, very first calving is at months. The original characteristics took place on average on ± months ( in order to weeks).
Brand new indicate AFC of one’s crossbreeds are less than men and women said among the many Zebu under the tropics from the more than forty days said a number of knowledge ( Rahman et al., 2016 ; Tellah et al., 2015a , 2015b ; Bashir and you may Este Zubeir, 2013 ; Sokouri ainsi que al., 2010 ; Bayemi et al., 2005 ). , 2015 ). Read More
