Effects of Prebiotic Yeast, Saccharomyces Cerevisiae Cell Wall on Some Hematological Parameters and Liver Enzymes in Common Carp Fingerlings (Cyprinus Carpio Linnaeus. 1758)
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Saccharomyces cerevisiae as a supplementary prebiotic in experimental diets on some of the blood indices and liver enzymes of Cyprinus carpio fingerlings. For this purpose, a number of 600 fish fry with an average mean (±SD) weight of 5.1±0.85 g were obtained and transferred to the laboratory. After 7 days adaptation to the new conditions the fish fry were randomly divided into 12 polyethylene tanks and kept at a density of 50 fish fry in per tank for 60 days. Four levels of cell wall of yeast S. cerevisiae as 0 (Control), 0.4 (F1), 0.8 (F2) and 1.2 (F3) g.kg-1 were used with triplicates. At the end of the experiment, blood samples were collected from the caudal vein of 15 fish (with average mean weight of 25±1.3 g) of every tank apparently healthy fish to determine some of hematologic parameters and serum enzymes (alkaline phosphatase, alanine aminotransferase and aspartate aminotransferase) in different groups and compared to one another. Our results showed that the cell wall of yeast S. cerevisiae had no significant discrepancy was observed in monocyte, lymphocyte counts and MCV value between the prebiotic treatment and control group (p>0.05). Nevertheless, leucocyte counts (WBC), red blood cell counts (RBC), hemoglobin (Hb), hematocrit (HCT), MCH, MCHC values and neutrophil counts, in fish fry fed cell wall of yeast S. cerevisiae as a prebiotic were significantly compared with the control group (p<0.05). Also, the result showed that the cell wall of yeast S. cerevisiae had significant effects on serum alanine aminotransferase and alkaline phosphatase compared with the control group (p<0.05). While, analyses of the results did not show any significant differences in the amount of aspartate aminotransferase enzyme in experimental treatments and control group (p>0.05). Based on these results, we could claim that the use of the cell wall of yeast S. cerevisiae in experimental diets of fingerlings carps have different performance on hematology parameters and may enhance the non-specific immune system of the immunomodulatory
effect on fingerlings carp.
Language:
Persian
Published:
Journal of Veterinary Microbiology, Volume:14 Issue: 2, 2019
Pages:
109 to 121
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