Elnaggar, A., A. El- Said, E., Ali, R. (2025). PHYSIOLOGICAL AND IMMUNOLOGICAL RESPONSES OF DUCKS (CAIRINA MOSCHATA DOMESTICA) TO SILYMARIN SUPPLEMENTATION. Egyptian Poultry Science Journal, (), -. doi: 10.21608/epsj.2025.52177.1126
Asmaa shawkey Elnaggar; Eman A. El- Said; Reham Ali. "PHYSIOLOGICAL AND IMMUNOLOGICAL RESPONSES OF DUCKS (CAIRINA MOSCHATA DOMESTICA) TO SILYMARIN SUPPLEMENTATION". Egyptian Poultry Science Journal, , , 2025, -. doi: 10.21608/epsj.2025.52177.1126
Elnaggar, A., A. El- Said, E., Ali, R. (2025). 'PHYSIOLOGICAL AND IMMUNOLOGICAL RESPONSES OF DUCKS (CAIRINA MOSCHATA DOMESTICA) TO SILYMARIN SUPPLEMENTATION', Egyptian Poultry Science Journal, (), pp. -. doi: 10.21608/epsj.2025.52177.1126
Elnaggar, A., A. El- Said, E., Ali, R. PHYSIOLOGICAL AND IMMUNOLOGICAL RESPONSES OF DUCKS (CAIRINA MOSCHATA DOMESTICA) TO SILYMARIN SUPPLEMENTATION. Egyptian Poultry Science Journal, 2025; (): -. doi: 10.21608/epsj.2025.52177.1126
PHYSIOLOGICAL AND IMMUNOLOGICAL RESPONSES OF DUCKS (CAIRINA MOSCHATA DOMESTICA) TO SILYMARIN SUPPLEMENTATION
Articles in Press, Accepted Manuscript, Available Online from 19 May 2025
1Dept. of Anim. and Poult. Production, Fac. of Agric., Damanhour University
2Dept. of Poultry Production, Faculty of Agriculture, Damietta University
3Department of Animal and Poultry Production, Faculty of Agriculture and Natural Resources, Aswan University, Egypt.
Abstract
The present study was conducted to investigate the effect of Silymarin extract on productive performance and the immune-physiological status of growing Cairina Moschata Domestica ducklings. A total number of 200 - day old ducklings were obtained from a commercial hatchery. Upon arrival they were brooded at 330C for one week and then individually weighed and randomly divided into four treatment groups of 50 birds in five replicates 10 ducklings each. The first group was served as a control and fed the basal diet without any supplementation, while the second, third and fourth groups were fed the basal diet supplemented with silymarin at 0.6, 0.9 and 1.2 g/ kg diet levels, respectively. The duration of the experiment was 70 days. Results showed that silymarin at 0.6 g/kg diet level positively affected feed conversion ratio, live body weight and body weight gain compared with the control one. Moreover, silymarin recorded higher significant values of globulin fractions (α, β, and γ-globulin), and thyroid hormone concentration. Additionally, silymarin had a huge constructive improved outcome on liver functions (ALT, AST and ALP) and serum lipid profile and significantly decreased lipid profile (cholesterol, low density lipoprotein and triglycerides). In a similar way, malondialdehyde (MDA) was reduced essentially by including silymarin. Additionally, improved antioxidant status, immune responses and inhibition of coliform bacteria growth compared to control group. In conclusion, silymarin, at 0.6 g/kg diet, may be a useful agent for improving growth performance, antioxidant status, liver functions. In contrast, the serum lipid profile concentration and pathogenic bacteria showed a linear decrease (p ≤0.05) of treated growing ducks.
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