1. bookVolume 24 (2021): Issue 2 (December 2021)
Journal Details
First Published
20 Dec 2020
Publication timeframe
2 times per year
access type Open Access

Herbal Plants as Feed Additives in Broiler Chicken Diets

Published Online: 30 Dec 2021
Volume & Issue: Volume 24 (2021) - Issue 2 (December 2021)
Page range: 76 - 95
Journal Details
First Published
20 Dec 2020
Publication timeframe
2 times per year

This study evaluated the effect of some herbal plants as natural feed additives on broiler production parameters, carcass parts, and breast meat quality. A total of 150 broiler chicks, Cobb 500 hybrid, were allocated to five treatments with 30 broilers /group, for 42 days. The experimental treatments were: Control (C); a diet containing 5% alfalfa meal (A); a diet containing 5% alfalfa meal and 1% basil (AB); a diet containing 5% alfalfa and 1% thyme (AT) and a diet containing 5% alfalfa and 1% sage (AS). Bodyweight was significantly (P<0.05) affected in AS group compared with C and A groups. Feed conversion ratio was significantly higher only in A and AB groups. Experimental groups had significantly greater (P<0.05) gizzard weight. The total polyphenols content and the antioxidant capacity were significantly (P<0.05) higher in AB, AT, and AS groups versus the C group. The cholesterol concentration was significantly (P<0.05) decreased in AB, AT, and AS meat samples compared with C and A samples. Instrumental colour measurements indicated significant alterations (P<0.05) among the groups regarding the values of L*, a*, b*, H°, C*, and ΔE*. The texture analysis showed that hardness, gumminess, and chewiness were significantly (P<0.05) higher in AB, AT, and AS groups than in C and A groups.


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