Browsing by Author "Wahab Adekunle Oyeyemi"

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    Effect of phytogenic supplements on the reproductive physiology and metabolic hormones of rabbits exposed to heat stress conditions
    (Elsevier, 2023) Olatunji Abubakar Jimoh,; Olajumoke Temidayo Daramola; Hafsat Ololade Okin-Aminu; Olayinka Abosede Ojo; Wahab Adekunle Oyeyemi
    This study investigated the role of phytogenic supplements on the reproductive physiology and metabolic hor mones of rabbits exposed to heat stress conditions. Fresh Moringa oleifera, Phyllanthus amarus and Viscum album leaves were obtained and processed into a leaf meal using standard procedure and served as a phytogenic supplements. Eighty rabbit bucks of 6 weeks old (514.84 ± 14.10 g) were randomly assigned to the four dietary groups consisting of Diet 1 without the leaf meal (control diet) and Diets 2 (D2); 3 (D3) and 4 (D4) contained 10% Moringa, 10% Phyllanthus and 10% Mistletoe, respectively, in an 84-day feed trial at the peak of thermal discomfort. Semen kinetics and seminal oxidative status, reproductive and metabolic hormones were assessed using standard procedure. Results reveal that sperm concentration and motility traits of bucks on D2, D3 and D4 were significantly (p < 0.05) higher than bucks on D1. Spermatozoa speed traits of bucks on D4 were signifi cantly (p < 0.05) higher than bucks on other treatments. Seminal lipid peroxidation of bucks in D2-D4 was significantly (p < 0.05) lower than bucks on D1. Corticosterone of bucks on D1 was significantly higher than bucks on other treatments (D2-D4). Lutenizing hormone of bucks on D2 and testosterone of bucks on D3 was higher (p < 0.05) than in other groups, while follicle stimulating hormone of bucks on D2 and D3 were higher (p < 0.05) than bucks on D1 and D4. In conclusion, the three phytogenic supplements improved sex hormones, enhanced spermatozoa kinetics, viability and seminal oxidative stability of bucks during heat stress condition