Assessment of Saccharomyces cerevisiae as a Feed Additive to Improve the Metabolic Status and Reproductive Performance of Farafra Ewes in Arid Subtropical Regions
Harby, A., Mohamed kasaab, A., KHOLIF, A., Hamdon, H. (2024). Assessment of Saccharomyces cerevisiae as a Feed Additive to Improve the Metabolic Status and Reproductive Performance of Farafra Ewes in Arid Subtropical Regions. EKB Journal Management System, 4(4), 50-57. doi: 10.21608/nvjas.2025.341880.1299
Asmaa A. Harby; Ayman Youssef Mohamed kasaab; Ahmed E. KHOLIF; Hatem A. Hamdon. "Assessment of Saccharomyces cerevisiae as a Feed Additive to Improve the Metabolic Status and Reproductive Performance of Farafra Ewes in Arid Subtropical Regions". EKB Journal Management System, 4, 4, 2024, 50-57. doi: 10.21608/nvjas.2025.341880.1299
Harby, A., Mohamed kasaab, A., KHOLIF, A., Hamdon, H. (2024). 'Assessment of Saccharomyces cerevisiae as a Feed Additive to Improve the Metabolic Status and Reproductive Performance of Farafra Ewes in Arid Subtropical Regions', EKB Journal Management System, 4(4), pp. 50-57. doi: 10.21608/nvjas.2025.341880.1299
Harby, A., Mohamed kasaab, A., KHOLIF, A., Hamdon, H. Assessment of Saccharomyces cerevisiae as a Feed Additive to Improve the Metabolic Status and Reproductive Performance of Farafra Ewes in Arid Subtropical Regions. EKB Journal Management System, 2024; 4(4): 50-57. doi: 10.21608/nvjas.2025.341880.1299

Assessment of Saccharomyces cerevisiae as a Feed Additive to Improve the Metabolic Status and Reproductive Performance of Farafra Ewes in Arid Subtropical Regions

New Valley Journal of Agricultural Science
Article 6, Volume 4, Issue 4, October 2024, Page 50-57  XML PDF (430.58 K)
Document Type: Original Research
DOI: 10.21608/nvjas.2025.341880.1299
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Authors
Asmaa A. Harby email 1; Ayman Youssef Mohamed kasaab1; Ahmed E. KHOLIForcid 2; Hatem A. Hamdon1
1Animal and Poultry Production, Faculty of Agriculture, New Valley University, El-Kharaga 72511, New Valley, Egypt.
2Dairy Science Department, National Research Centre, Cairo, Egypt
Abstract
This work studied the effect of Saccharomyces cerevisiae (SC) supplementation on the metabolic, hormonal and reproductive efficiency of Farafra ewes in arid subtropical regions. Eighteen ewes were assigned randomly into three equal groups (6 ewes each). The treatments were C, T1, and T2, representing dietary supplementation of SC at 0, 1, and 1.5 g/h/d, respectively. Blood samples were collected from the jugular vein and the biochemical parameters were measured monthly during the experiment. The results showed non-significant effect in total protein, albumin, globulin, AST, ALT, ALP, urea-N, creatinine, total cholesterol, tri-glycerides, T3, and T4 among treatment. Whereas the concentrations of glucose increased (P<0.05) significantly in SC groups than control. The elevated conception rate was recorded for SC-treated ewes (100%) compared with (66.67%) extent of control. Also, SC significantly (P≤0.05) improved reproductive ability, lambs born per ewes joined and lambs born or weaned per ewe lambed. The presented results concluded that SC could enhance metabolic status and reproductive efficiency of Farafra ewes in arid subtropical regions.
Keywords
Saccharomyces cerevisiae; Farafra ewes; Reproductive performance; Antioxidant
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