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Elnaggar, A., eltahawy, W., ghalwash, A., ghazalah, A. (2022). PRODUCTIVE AND PHYSIOLOGICAL RESPONSE OF BROILER CHICKS TO DIETARY HUMIC ACID. Egyptian Poultry Science Journal, 42(2), 157-170. doi: 10.21608/epsj.2022.249542
Asmaa shawkey Elnaggar; waleed eltahawy; asmaa ghalwash; abdallah ghazalah. "PRODUCTIVE AND PHYSIOLOGICAL RESPONSE OF BROILER CHICKS TO DIETARY HUMIC ACID". Egyptian Poultry Science Journal, 42, 2, 2022, 157-170. doi: 10.21608/epsj.2022.249542
Elnaggar, A., eltahawy, W., ghalwash, A., ghazalah, A. (2022). 'PRODUCTIVE AND PHYSIOLOGICAL RESPONSE OF BROILER CHICKS TO DIETARY HUMIC ACID', Egyptian Poultry Science Journal, 42(2), pp. 157-170. doi: 10.21608/epsj.2022.249542
Elnaggar, A., eltahawy, W., ghalwash, A., ghazalah, A. PRODUCTIVE AND PHYSIOLOGICAL RESPONSE OF BROILER CHICKS TO DIETARY HUMIC ACID. Egyptian Poultry Science Journal, 2022; 42(2): 157-170. doi: 10.21608/epsj.2022.249542

PRODUCTIVE AND PHYSIOLOGICAL RESPONSE OF BROILER CHICKS TO DIETARY HUMIC ACID

Article 2, Volume 42, Issue 2, June 2022, Page 157-170  XML PDF (436.02 K)
Document Type: Original Article
DOI: 10.21608/epsj.2022.249542
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Authors
Asmaa shawkey Elnaggarorcid 1; waleed eltahawy2; asmaa ghalwash3; abdallah ghazalah
1Dept. of Anim. and Poult. Production, Fac. of Agric., Damanhour University
2dmanhour
3damanhour
Abstract
experiment was carried out to investigate the effect of dietary humic acid supplementation on performance of broiler chicks. One hundred  and eighty Arbor Acers broiler chicks were assigned equally into five treatment groups. Humic acid was supplemented to basal diet 0 (control), 1.00, 2.00, 3.00 and 4.00 g/kg respectively. Chicks fed diet with different levels of humic acid had significantly (P<0.05) greater production performance than the control group. Humic acid had significantly improved the digestibility of crude protein and either extract. Feeding diet with humic acid significantly decreased  plasma content of cholesterol, malondialdehyde (MDA) and low-density lipoprotein (LDL) while increased glucose, total protein, triiodothyronine, thyroxine, glutathione, globulin, -γ globulin, compared to control group. Humic acid significantly increased the percentage of dressing and decreased abdominal fat compared to control. In conclusion, humic acid supplementation at 1.00, 2.00 and 3.00 and 4.00 g/kg diet was superior regarding growth, digestibility, and economical return, without negative effects on blood and carcass traits of broilers.
 
Keywords
Broiler; Humic acid; Growth; Digestibility; Blood
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