Growth Performance, Haematological Indices and Antioxidant Capacity of Broiler chickens Fed Diets Containing P.guineense and G.africanum

  • Taruwa, A.
  • Olugbemi, T. S.
  • Afolayan, S. B.
  • Salihu, E. A.
  • Amos, M.
  • Amos, M.
Keywords: Antibiotics, Essential oil, Oxidative Stress, Phytobiotic, Phytogenics


The study was carried out to evaluate the effect of P. guineense and G. africanum inclusion in the diet of broiler chickens as alternatives to antibiotic growth promoters (AGPs). A total of 408 day-old Ross broiler chicks were allotted randomly to eight dietary treatments each replicated thrice, with 17 chicks per replicate in a completely randomized design. P. guineense and G. africanum were included at 0 g (T1), 250 g, 500 g and 750 g respectively (T2-T7) while oxytetracycline was used as a positive control (T8). Data were collected on growth, haematological and antioxidant activities. Data collected were subjected to analysis of variance and significant differences among treatment means were compared using Tukey procedures. The growth performance result showed that final weight, weight gain, feed conversion ratio and feed cost per kg gain were significantly (p<0.05) better in birds fed diets containing oxytetracycline and P. guineense at 250 g and G. africanum at 500 g/100kg diets at both the starter and finisher phases. Haematological parameters were significantly improved and were within normal range reported for healthy chickens. Superoxide dismutase and glutathione peroxidase contents were increased (p<0.05) while catalase content was reduced as levels of P. guineense and G. africanum in the diet increases. P. guineense and G. africanum inclusion in broiler chickens diets at 250g and 500g/100kg diets, respectively significantly improved growth performance and antioxidant activities with no adverse effect on haematological parameters; hence, can be included in broiler chickens’ diet at 250g and 500g/100kg diets as an alternative to synthetic AGPs for improved performance.


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How to Cite
Taruwa, A., Olugbemi, T. S., Afolayan, S. B., Salihu, E. A., Amos, M., & Amos, M. (2024). Growth Performance, Haematological Indices and Antioxidant Capacity of Broiler chickens Fed Diets Containing P.guineense and G.africanum . Nigerian Journal of Animal Science and Technology (NJAST), 6(4), 1 - 9. Retrieved from