2.3. Statistical analyses
Analyses for all variables were achieved by ANOVA for a completely
randomized design, with three treatments (breed groups), using the
GLM procedure of SAS (SAS Institute, Inc., Carry, NC). The model statement
contained the effects of genetic group, slaughterweightwas fitted
as covariate for carcass traits and carcass weight was fitted as covariate
for LL characteristics, and pen as the experimental unit. Bulls were randomly
selected from each pen and pen was considered as the random
term. Least square means were separated for comparison by using the
Tukey's Studentized test.