Mahmoud, E., M.S., R., Ibtesam A.M., S. (2025). IMPACT OF ORGANIC ACIDS SUPPLEMENTATION ON GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY, AND SOME BLOOD PARAMETERS IN BROILER CHICKS. Egyptian Poultry Science Journal, 45(2), 171-185. doi: 10.21608/epsj.2025.440400
El-kelawy Mahmoud; Refaie M.S.; Srour Ibtesam A.M.. "IMPACT OF ORGANIC ACIDS SUPPLEMENTATION ON GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY, AND SOME BLOOD PARAMETERS IN BROILER CHICKS". Egyptian Poultry Science Journal, 45, 2, 2025, 171-185. doi: 10.21608/epsj.2025.440400
Mahmoud, E., M.S., R., Ibtesam A.M., S. (2025). 'IMPACT OF ORGANIC ACIDS SUPPLEMENTATION ON GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY, AND SOME BLOOD PARAMETERS IN BROILER CHICKS', Egyptian Poultry Science Journal, 45(2), pp. 171-185. doi: 10.21608/epsj.2025.440400
Mahmoud, E., M.S., R., Ibtesam A.M., S. IMPACT OF ORGANIC ACIDS SUPPLEMENTATION ON GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY, AND SOME BLOOD PARAMETERS IN BROILER CHICKS. Egyptian Poultry Science Journal, 2025; 45(2): 171-185. doi: 10.21608/epsj.2025.440400
IMPACT OF ORGANIC ACIDS SUPPLEMENTATION ON GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY, AND SOME BLOOD PARAMETERS IN BROILER CHICKS
1Dep.of Poult. Prod., Fac. of Agric., New Valley Uni., Egypt..
2Dep.of Poult. Prod., Fac. of Agric., New Valley Uni., Egypt.
Abstract
The current study was conducted to evaluate the influence of dietary incorporating with different organic acids (OAs) acetic (AAs), citric (CAs), and propionic acids (PAs) on growth performance, nutrient digestibility, carcass traits, blood biochemical parameters, and microbial profile in broiler chickens. A total of 120 one-day-old unsexed Ross broiler chicks were randomly divided into four treatment groups (30 chicks/group; 3 replicates of 10 birds). The first group as control received a basal diet without additives, while the second, third and fourth groups were incorporated with 0.5% of either acetic, citric, or propionic acid, respectively
The results showed that dietary inclusion of all tested organic acids (OAs) resulted in a significant improvement in (p < 0.05) body weight(BW), weight gain(BWG), feed conversion ratio(FCR), performance index, and economic efficiency in comparison with the control group, with no statistically significant differences in feed intake. Apparent nutrient digestibility of dry matter (DM), crude protein (CP), ether extract (EE), organic matter (OM), and nitrogen-free extract (NFE) did not differ significantly among treatments. Carcass evaluation showed a significant reduction in abdominal fat in acid-supplemented groups, without affecting dressing percentage or internal organ weights.
Biochemically, citric acid supplementation significantly increased plasma albumin levels, while no statistically significant differences were observed in total protein, globulin, glucose, lipid profile, or liver enzyme activities among all groups. Microbial analysis indicated that acetic acid increased total bacterial count without significantly affecting Lactobacillus acidophilus populations.
In conclusion, supplementation with 0.5% organic acids (OAs), particularly citric and acetic acids, enhanced broiler performance and reduced fat deposition without affects on nutrient digestibility or health-related blood parameters, supporting their use as natural growth promoters in broiler production.
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