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Section Agriculture

Graded Dietary Turmeric Levels Improve Growth and Carcass Yield in Broilers

Tingkat Kurkuma dalam Pakan yang Diatur Meningkatkan Pertumbuhan dan Hasil Daging pada Ayam Pedaging
Vol. 10 No. 2 (2025): December:
DOI : https://doi.org/10.21070/acopen.10.2025.11794
Published : Jul 29, 2025

Sameerah H. Amen (1), H.A Noaman (2), Zakaria Ahmed Hussein (3), Qana Hussein Ameen AL-Jabari (4), Mohammed Hasib Mohammed (5)

(1) Department of Animal Production, College of Agriculture, Kirkuk University, Kirkuk, Iraq
(2) Department of Animal Production, College of Agriculture, Kirkuk University, Kirkuk, Iraq
(3) Department of Animal Production, College of Agriculture, Kirkuk University, Kirkuk, Iraq
(4) Department of Animal Production, College of Agriculture, Kirkuk University, Kirkuk, Iraq
(5) Department of Animal Production, College of Agriculture, Kirkuk University, Kirkuk, Iraq
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Abstract:

General Background: The rising concerns over antibiotic resistance and food safety have prompted a global move toward natural alternatives in poultry nutrition. Specific Background: Turmeric (Curcuma longa), known for its antimicrobial, antioxidant, and anti-inflammatory properties, is one such promising phytogenic feed additive. Knowledge Gap: While turmeric's bioactivity is well-documented, the optimal dietary levels for maximizing broiler performance and carcass yield remain uncertain. Aims: This study aimed to evaluate the effects of graded dietary turmeric powder (1.5, 3.0, 6.0, and 9.0 g/kg feed) on growth performance, feed efficiency, and dressing percentage in broiler chickens. Results: Turmeric supplementation significantly improved body weight gain, feed intake, and carcass yield (p ≤ 0.05). The 3.0 g/kg group showed the best feed conversion ratio, while the 9.0 g/kg group achieved the highest weight gain and dressing percentage. Novelty: This study demonstrates a dose-dependent relationship between turmeric levels and broiler productivity, identifying both the threshold for maximum efficiency and the potential drawbacks of excessive supplementation. Implications: Turmeric powder at moderate inclusion levels offers a viable natural growth promoter alternative to antibiotics, contributing to sustainable poultry production and public health safety.
Highlight :



  • The addition of turmeric increases body weight and carcass percentage in broilers.

  • A dose of 3 g/kg produces the best feed efficiency (lowest FCR).

  • Turmeric can be a natural alternative to antibiotics in poultry feed.


Keywords : Turmeric Powder, Broiler Chickens, Growth Performance, Feed Conversion Ratio, Dressing Percentage

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