0.05) live body weight at 11 wks of age, and higher daily weight gain during the whole experimental period as compared with the control group. Moreover, rabbits fed diet contained 1.5% CA recorded a significant (P≤0.05) improvement in FCR than the control group at 6-11 wks. of age. Crude fiber digestibility was significantly enhanced for rabbits fed different CA diets than the control, while both DM, OM and CP digestibility coefficients were improved by feeding diets contained CA at 1.5 and 2.0% than the control without significant effects. Feeding economic efficiency revealed the best value for rabbits fed 1.5 % CA diet than other groups at 11 wks. of age. Therefore, CA at 1.5% in the diet may be an alternative feed additive to maximize productivity and profitability without adverse effects for fattening rabbits.]]>
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0.05) live body weight at 11 wks, while rabbits fed 0.50 g MOS/kg had (P≤0.05) higher body weight gain during 6-11 wks of age comparing to the antibiotic and control groups. Moreover, feed conversion ratio were insignificantly (P>0.05) improved by feeding MOS/kg diets than the antibiotic group at the entire experimental period (6-11 wks) . All studied nutrients digestibility's coefficients improved by feeding 1.00 g MOS / kg compared to the antibiotic and the control diet with or without significant effects. Dressed carcass percentage not significantly changed for rabbits fed MOS diet in comparison with antibiotic and control group. Therefore, the addition of 0.50 or 1.00 g MOS / kg diet may be an alternative material of antibiotics in weanling rabbits to maximize their productivity and profitability without adverse effects during fattening period.]]>
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0.94). Among reproductive traits, absolute genetic correlations were also high (>0.85). Genetic correlations between reproductive and productive traits were high (>0.99). The annual genetic changes were positive for M305, LP, CFS and DO (9.07 kg/yr., 0.30, 0.07 and 0.24 d/yr., respectively), however it was -0.003 number/yr for NSC. The annual phenotypic changes were positive for M305, CFS and DO (12.4 kg/yr., 0.029 and 0.829d/yr., respectively), however it were negative for LP and NSC (-0.265 d/yr. and -0.002 number /yr.).]]>
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p. 89−93
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p. 103−107
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p. 109−116
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p. 117−123
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p. 125−131
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