GROWTH PERFORMANCE, HEMATOLOGICAL PARAMETERS, SERUM INDICES, AND HORMONE LEVELS OF KUROILER CHICKENS ADMINISTERED L-ARGININE IN DRINKING WATER

Animashahun, R.A. and Alabi, O.O. and Animashahun, A.P. and Oluwafemi, P. and Adesina, A. Y and Bolaji, A. and Odhe, P. and Edozie, N. and Idowu, A. (2024) GROWTH PERFORMANCE, HEMATOLOGICAL PARAMETERS, SERUM INDICES, AND HORMONE LEVELS OF KUROILER CHICKENS ADMINISTERED L-ARGININE IN DRINKING WATER. Chilean J. Agric. Anim. Sci., ex Agro-Ciencia, 40 (2). pp. 301-311. ISSN 0719-3890

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Abstract

A study was conducted to explore the effects of orally administered L-arginine on the growth performance, blood parameters, and hormonal profiles of Kuroiler chickens. A total of 270 unsexed Kuroiler chickens aged 12 weeks were used. The experiment was conducted over a five-week period using a completely randomized design, with three treatments and 3 replicates. The treatments were: no administration of L-arginine (control); oral administration of L-arginine at 165 mg/L; and oral administration of L-arginine at 330 mg/L in the drinking water given on daily basis. The results revealed significant impacts of arginine on weight gain and feed conversion ratio Specifically, the treatment with L-arginine at 330 mg/L resulted in the highest weight gain. Hematological parameters were notably higher in chickens given water containing L-arginine, while liver function enzymes showed a linear reduction. In the treatments where L-arginine was administered, serum glucose levels as well as cholesterol, creatinine, bilirubin, and uric acid concentrations recorded significant reductions, whereas hormone levels, including Triiodothyronine, Tetraiodothyronine, insulin, growth hormone, and insulin-like growth factor, were all significantly higher. The study concludes that the oral administration of L-arginine in the drinking water positively impacts growth performance, enhances hematopoietic activities, and increases hormone production in Kuroiler chickens. Therefore, L-arginine can be used as a supplementation to enhance poultry health and productivity.

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