The Effect of Yeast and Some Medicinal Plants as Growth Promoters on Kids In New Valley Governorate

Document Type : Research article

Authors

1 animal medicine, faculty of veterinary medicine, New Valley university

2 Department of Animal Medicine, (Infectious Diseases) Faculty of Veterinary Medicine, New Valley University, New Valley Governorate, El-Kharga Oasis

3 Department of Animal Medicine, (Internal Veterinary Medicine) Faculty of Veterinary Medicine, New Valley University, New Valley Governorate, El-Kharga Oasis

Abstract

Thirty castrated kids, aged 6-9 months and weighed on average 9-10 kg were divided into three groups (10 kids in each), named A, B and C. The experiment extended from August, 2020 to February, 2021. Animal management procedures included injection of prophylactic dose of broad spectrum anti-parasitic Ivermectin plus Clorsulon and monthly dipping of animals in solution of Deltamethrin. Kids in the B group were fed the basal ration (concentrate feed mixture plus Barseem hay without additives (Control), while those in the A and C groups were fed the same basal ration supplemented daily with 1 gram from yeast tablet, 2 caps of medicinal plants mixture. respectively. The feeding program was applied 4% of total calculated body weights of each group per day. Addition of yeast and medicinal plants to the diet of kids during months of experiment as compared to the control group significantly improved the final live body weight at the end of 4 months and daily body gain of kids. Supplementation improved the animal rumen function i.e. increased feed intake, appetite and number of micro flora populations and also kept the biochemical parameters of animals within normal physiological state that indicate their healthy status. On the other hand, Supplementations of kids negatively affect the concentrations of Ca and Mg and positively increase P levels. In conclusion, the use of nutritional yeast and medicinal plants in animal nutrition as feed additives has a beneficial effect on increasing animal production.

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