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REPRODUCTIVE PERFORMANCE OF EGYPTIAN BUFFALO BULLS ADMINISTRATED WITH N-ACETYLCYSTEINE, L-CARNITINE, OR THEIR COMBINATION

H. El-Nagar,M. Hammad,A. Hemida,A. Gabr

Published 2021 in Egyptian Journal of Nutrition and Feeds

ABSTRACT

SUMMERY his study was to evaluate the effect of daily oral administration of N-acetylcysteine (NAC), L-carnitine (L-C), or their Combination for 2 months pre-semen collection on semen quality, sexual desire and some blood parameters traits of Egyptian buffalo bulls. A total of 20 bulls (400±37 kg LBW and 24-25 mo old) were divide into 4 groups. In group1 (G1, control), G2, G3 and G4, animals fed a basal ration and the managed under the same conditions, and were received orally a daily dose of 0, 3 L-C, 3 g NAC, or 1.5 g NAC +1.5 g L-C as a combination/bull/day, respectively, for 2 months. The results showed that bulls that received the combination dose (G4) increased (P<0.05) the concentration of total proteins, albumin, globulin and glucose, while it decreased (P<0.05) total cholesterol, triglyceride, creatinene concentrations, and AST and ALT activities compared with the control and other groups. All physical characteristics in fresh and thawed semen were higher (P<0.05) in all treated groups than in the control group, being the best in G4. Plasma testosterone and total antioxidant capacity concentrations were increased (P<0.05) in G4, G3 and G2 compare with the control (G1), being the best for G4 bulls. In conclusion, an oral dose of 1.5 g NAC plus 1.5 g L-C bull/day, as a combination, for 2 months pre-semen collection improves health status, immunity response and antioxidant capacity of buffalo bulls to produce semen with high quality require for spreading the tool of artificial insemination in buffaloes. combination some biochemicals, enzyme activity, testosterone profile and total antioxidant capacity in blood plasma of buffalo bulls.

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