JOURNAL OF ANIMAL SCIENCE AND VETERINARY MEDICINE
Integrity Research Journals
ISSN: 2536-7099
Model: Open Access/Peer Reviewed
DOI: 10.31248/JASVM
Start Year: 2016
Email: jasvm@integrityresjournals.org
Effect of avocado (Persea americana) leaf powder supplementation on oxidative status, DNA biomarkers, carcass, and internal organ parameters in broiler chickens
https://doi.org/10.31248/JASVM2024.474 | Article Number: C4E647812 | Vol.10 (1) - February 2025
Received Date: 26 August 2024 | Accepted Date: 01 October 2024 | Published Date: 28 February 2025
Authors: Fajemilehin S. O. K.* , Ola-Falayi R. F. , Fadairo L. O. , Adesola T. E. , Ajeigbe, A. O. , Jemiseye F. D. and Adepoju A. A.
Keywords: Avocado leaf powder, carcass parameters, DNA biomarkers, internal organ parameters
The study aimed to evaluate the effects of avocado (Persea americana) leaf powder supplementation on oxidative status, DNA biomarkers, and carcass and internal organ parameters in broiler chickens. Various levels of avocado leaf powder 0% (control, T1), 0.25% (T2), 0.5% (T3), and 0.75% (T4)) were administered to the chickens during the broiler finisher phase (29-56 days). Oxidative status parameters measured included lipid peroxidase levels, catalase activity, superoxide dismutase levels, and glutathione peroxidase activity. DNA biomarkers such as Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), Tumor Necrosis Factor alpha (TNF alpha), 8-hydroxy-2’-deoxyguanosine (8-OHdG), and Interleukin-6 (IL-6) were also evaluated. Additionally, carcass and internal organ parameters were assessed. The results indicated that supplementation did not significantly affect (p>0.05) lipid peroxidase levels, catalase activity, superoxide dismutase levels, or glutathione peroxidase activity. However, NF-κB levels showed significant differences (p<0.05) between certain treatment groups. TNF alpha, 8-OHdG, and IL-6 levels did not differ significantly (p>0.05) among the groups. Regarding carcass and internal organ parameters, the treatments did not significantly affect live and slaughtered weight (p>0.05). Eviscerated weight and carcass weight showed significant differences (p<0.05) among the treatment groups, with T1 and T4 exhibiting higher values than T3. Head and bile weights also varied significantly (p<0.05) across treatments, with T4 and T1 displaying the highest values, respectively. Other parameters, including weights of gizzard, heart, liver, lung, shank, spleen, pancreas, proventriculus, and intestine, did not differ significantly (p>0.05) among the groups. In conclusion, avocado leaf powder supplementation had a limited impact on oxidative status parameters and DNA biomarkers, except for NF-κB, which exhibited significant variations between specific treatment groups. The supplementation influenced specific carcass traits, with varying impacts on different parameters.
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