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Al-Homidan, I., S. S., A., M. F., A., M.M., F., T.A., E., O.K., A. (2025). IMPACT OF DIETARY PROBIOTIC ON GROWTH PERFORMANCE, CARCASS TRAITS, SERUM BIOCHEMICAL CONSTITUENTS AND IMMUNE RESPONSIVENESS IN BROILER RABBITS. Egyptian Poultry Science Journal, 45(1), 69-77. doi: 10.21608/epsj.2025.420674
I. H. Al-Homidan; Alharbi S. S.; Aljtayli M. F.; Fathi M.M.; Ebeid T.A.; Abou-Emera O.K.. "IMPACT OF DIETARY PROBIOTIC ON GROWTH PERFORMANCE, CARCASS TRAITS, SERUM BIOCHEMICAL CONSTITUENTS AND IMMUNE RESPONSIVENESS IN BROILER RABBITS". Egyptian Poultry Science Journal, 45, 1, 2025, 69-77. doi: 10.21608/epsj.2025.420674
Al-Homidan, I., S. S., A., M. F., A., M.M., F., T.A., E., O.K., A. (2025). 'IMPACT OF DIETARY PROBIOTIC ON GROWTH PERFORMANCE, CARCASS TRAITS, SERUM BIOCHEMICAL CONSTITUENTS AND IMMUNE RESPONSIVENESS IN BROILER RABBITS', Egyptian Poultry Science Journal, 45(1), pp. 69-77. doi: 10.21608/epsj.2025.420674
Al-Homidan, I., S. S., A., M. F., A., M.M., F., T.A., E., O.K., A. IMPACT OF DIETARY PROBIOTIC ON GROWTH PERFORMANCE, CARCASS TRAITS, SERUM BIOCHEMICAL CONSTITUENTS AND IMMUNE RESPONSIVENESS IN BROILER RABBITS. Egyptian Poultry Science Journal, 2025; 45(1): 69-77. doi: 10.21608/epsj.2025.420674

IMPACT OF DIETARY PROBIOTIC ON GROWTH PERFORMANCE, CARCASS TRAITS, SERUM BIOCHEMICAL CONSTITUENTS AND IMMUNE RESPONSIVENESS IN BROILER RABBITS

Article 5, Volume 45, Issue 1, March 2025, Page 69-77  XML PDF (304.5 K)
Document Type: Original Article
DOI: 10.21608/epsj.2025.420674
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Authors
I. H. Al-Homidan1; Alharbi S. S.1; Aljtayli M. F.1; Fathi M.M.orcid 2; Ebeid T.A.3; Abou-Emera O.K.orcid 4
1Anim. Poult. Prod. Dept., Coll. Agric. Food, Qassim Univ., Al-Qassim 51452, Saudi Arabia
2Anim. Poult. Prod. Dept., Coll. Agric. Food, Qassim Univ., Al-Qassim 51452, Saudi Arabia Poult. Prod. Dept., Fac. Agric., Ain Shams Univ., Hadayek Shoubra, 11241 Cairo, Egypt
3Anim. Poult. Prod. Dept., Coll. Agric. Food, Qassim Univ., Al-Qassim 51452, Saudi Arabia Poult. Prod. Dept., Fac. Agric., Kafrelsheikh Univ., Kafr El-Sheikh 33516, Egypt
4Anim. Poult. Prod. Dept., Coll. Agric. Food, Qassim Univ., Al-Qassim 51452, Saudi Arabia Poult. Breed. Dept., Anim. Prod. Res. Inst., Agric. Res. Center, Dokki, Giza, 12618, Egypt
Abstract
The objective of the present study is to investigate the impact of dietary probiotic administration on growth parameters, carcass parameters, serum biochemical constituents and immune responsiveness in growing rabbits. A total number of 54 rabbits aged 4 weeks were allocated randomly into three experimental treatments with levels of dietary probiotic (0, 1 and 2%). The probiotic containing 2.67 x 1011 CFU/g of Bacillus licheniformis. There were 9 replicates of each dietary treatment with 2 rabbits each. Dietary probiotic had no significant effect on body weight gain, feed conversion ratio, carcass % and carcass parts percentages including front%, mid%, hind %, skin %, and head%. Also, dietary probiotic supplementation had no significant impact on internal organs including heart, testes, lunges, kidney and thymus, while liver % was reduced due to dietary 2% probiotic in growing rabbits. Probiotic supplementation had insignificant impacts on all blood biochemical traits including total protein, albumin, globulin, cholesterol, triglycerides and urea in fattening rabbits. Dietary probiotic supplementation had a beneficial impact on cell-mediated immunity at 24 h post-injection of phytohemagglutinin P (PHA-P) into the left ear in growing rabbits. It could be concluded that dietary probiotic had a positive impact on cell-mediated immunity, while growth parameters, carcass traits, and serum biochemical constituents were not affected.



 
Keywords
Probiotics; growth performance; cellular immunity
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