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Egyptian Poultry Science Journal
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Volume Volume 45 (2025)
Volume Volume 44 (2024)
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El-ganainy, H., Hanafy, A., Hermes, I., El-shafie, M., saber, H. (2024). IMPACTS OF NANO-HYDROXYAPATITE REPLACEMENT FOR DICALCIUM PHOSPHATE ON GROWTH PERFORMANCE, CARCASS TRAITS AND IMMUNE ORGANS OF BROILER CHICKS. Egyptian Poultry Science Journal, 44(4), 377-391. doi: 10.21608/epsj.2024.401673
Hesham yahia El-ganainy; Ahmed Mohamed Hanafy; Ismail Hermes; Mohamed El-shafie; hamada salah saber. "IMPACTS OF NANO-HYDROXYAPATITE REPLACEMENT FOR DICALCIUM PHOSPHATE ON GROWTH PERFORMANCE, CARCASS TRAITS AND IMMUNE ORGANS OF BROILER CHICKS". Egyptian Poultry Science Journal, 44, 4, 2024, 377-391. doi: 10.21608/epsj.2024.401673
El-ganainy, H., Hanafy, A., Hermes, I., El-shafie, M., saber, H. (2024). 'IMPACTS OF NANO-HYDROXYAPATITE REPLACEMENT FOR DICALCIUM PHOSPHATE ON GROWTH PERFORMANCE, CARCASS TRAITS AND IMMUNE ORGANS OF BROILER CHICKS', Egyptian Poultry Science Journal, 44(4), pp. 377-391. doi: 10.21608/epsj.2024.401673
El-ganainy, H., Hanafy, A., Hermes, I., El-shafie, M., saber, H. IMPACTS OF NANO-HYDROXYAPATITE REPLACEMENT FOR DICALCIUM PHOSPHATE ON GROWTH PERFORMANCE, CARCASS TRAITS AND IMMUNE ORGANS OF BROILER CHICKS. Egyptian Poultry Science Journal, 2024; 44(4): 377-391. doi: 10.21608/epsj.2024.401673

IMPACTS OF NANO-HYDROXYAPATITE REPLACEMENT FOR DICALCIUM PHOSPHATE ON GROWTH PERFORMANCE, CARCASS TRAITS AND IMMUNE ORGANS OF BROILER CHICKS

Article 2, Volume 44, Issue 4, December 2024, Page 377-391  XML PDF (597.72 K)
Document Type: Original Article
DOI: 10.21608/epsj.2024.401673
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Authors
Hesham yahia El-ganainy1; Ahmed Mohamed Hanafy2; Ismail Hermes3; Mohamed El-shafie4; hamada salah saberorcid 5
1Assistant Managing Director of Ismailia / Misr poultry Company
2Faculty of Agriculture - Ismailia 41522, Egypt
3Animal Department, Faculty of Agriculture, Ismalia, Egypt.
4Managing Director of Ismailia / Misr poultry Company, Ismailia, Egypt.
5Animal Production Department, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt
Abstract
Replacing traditional di-calcium phosphate (DCP) with nano-hydroxyapatite (NHA) was investigate as a potential strategy to enhance mineral bioavailability and reduce feed costs. This study explored the impact of varying levels of dietary NHA on broiler chicks' growth performance, carcass traits, digestive tract measurements, and immune organs. A total number of 1080 unsexed one-day-old "Cobb 500" broiler chicks were distributed in a completely randomized design of six treatments with three replicates (60 chicks each). The control group (T1) contained 100% DCP of diet, treatments two (T2) to six (T6) were supplemented with NHA, which represent replacement rates of 100, 80, 60, 40 and 20% of DCP in the basal diet, respectively. The results indicate that broilers fed with 100% DCP demonstrated superior growth performance and carcass weight (P≤0.05) compared to those receiving lower NHA dosages. Specifically, the 100% DCP group achieved higher carcass weight (P≤0.05), while diets containing 80% NHA substitution for DCP resulted in higher carcass percentages. In contrast, birds on lower NHA diets (60 and 40%) exhibited higher giblet percentage (P≤0.05), and lower (P≤0.05) abdominal fat weights were observed at 40% NHA levels. The control group with 100% DCP had a significantly higher (P≤0.05) relative gut weight compared to other treatments. The spleen percentage was notably highest in the group receiving 100% NHA and NHA significantly increased thymus weight and percentage, especially T4, with similar improvements in groups T3, T4, T5, and T6. Additionally, birds fed 40% NHA showed a notable increase in the relative weight and percentage of the bursa compared to other groups. In conclusion, while NHA offer potential benefits in broiler chicken nutrition; further research are needed to determine the optimal dosage, specific conditions, sustainable and environmentally friendly options for incorporating these nanoparticles into broiler chicken feed.
Keywords
Broiler; nano-hydroxyapatite; growth performance; carcass traits; immunity
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