EFFECT OF DIETARY LEVELS OF CALCIUM CARNITINE AND ZINC ON SEMEN CHARACTERISTICS OF CROSS-BRED CHICKEN
2024
R. Prabhakar | M. Moorthy | S.C. Edwin | K. Mani | V. Ramesh Sarvanakumar
An experiment was conducted to study the effect of dietary supplementation of calcium, carnitine, zinc and their combinations for 5 weeks in eighty adult crossbred cocks which were divided into eight treatment groups each consisting of ten cocks. Cocks were fed with treatment diets. The treatment groups consisted of control (T1), control + calcium 2 per cent (T2), control + carnitine 250 mg/kg (T3), control + zinc 100 mg/kg (T4), control + calcium 2 per cent + carnitine 250 mg/kg (T5), control + calcium 2 per cent + zinc 100 mg/kg (T6), control + carnitine 250 mg/kg + zinc 100 mg/kg (T7) and control + calcium 2 per cent + carnitine 250 mg/kg + zinc 100 mg/kg (T8). Semen volume revealed no significant difference between treatment groups during five weeks period. Overall sperm motility was significant (P<0.01) between treatment groups except between T4 and T5 groups. Overall sperm concentration was significantly (P<0.01) higher in all treatment groups compared to control. Inclusion of calcium, carnitine, zinc and their combinations had significantly (P<0.01) reduced the overall dead and abnormal of sperms when compared to the control group. The results revealed that inclusion of 2 per cent calcium, 250 mg/kg of carnitine, 100 mg/ kg of zinc and their combinations in feed improved the sperm motility and concentration in cross-bred cocks.
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