Determination of the Probiotic Potential and Metabolic Function of Lactobacillus Strains for Healthy Calf Rearing
Myktybayeva R. Özkaya S. Şanlı E.R. Yaşar H.İ. Tüzün C.G. Koşkan Ö. Boranbayeva T. Otebayev Z. Alpeisov S.
2025Science Publications
OnLine Journal of Biological Sciences
2025#25Issue 3607 - 616 pp.
This study examines the effects of probiotic supplementation on the growth, health, and physiological parameters of Holstein calves. Thirty calves were randomly assigned to three groups: a control group and two groups receiving probiotics at doses of 1 g/10 kg and 1.5gt/10 kg live weight. Key parameters such as Live Weight (LW), Body Measurements (BMs), Feed Intake (FI), Feed Conversion Ratio (FCR), haematological and biochemical blood markers, and oxidative stress indicators were evaluated. The results revealed that probiotic supplementation significantly improved growth performance, reduced the number of illness days and diarrhoea cases, and promoted rumen development. However, the observed improvements in FCR and BMs were not statistically significant. Hematological and biochemical parameters remained within normal physiological ranges across all groups, confirming the safety of the supplementation. Overall, this study highlights the potential of probiotics as a valuable dietary strategy to enhance the health and growth of Holstein calves without adverse effects.
Blood Parameters , Calves , Growth , Health , Immune Response , Oxidative Stress , Probiotic Supplementation
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Department of Microbiology, Virology and Immunology, Veterinary and Zooengineering Faculty, Kazakh National Agrarian Research University, Almaty, Kazakhstan
Department of Animal Science, Agriculture Faculty, Isparta University of Applied Sciences, Isparta, Turkey
Department of Technology of Food Production and Food Safety, Engineering and Technology Faculty, Kazakh National Agrarian Research University, Almaty, Kazakhstan
Department of Animal Biology, Veterinary and Zooengineering Faculty, Kazakh National Agrarian Research University, Almaty, Kazakhstan
Department of Microbiology
Department of Animal Science
Department of Technology of Food Production and Food Safety
Department of Animal Biology
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