Publications by authors named "S A Kochewad"

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Microencapsulated and Lyophilized Lactobacillus acidophilus Improved Gut Health and Immune Status of Preruminant Calves.

Probiotics Antimicrob Proteins 2021 Jul 20. Epub 2021 Jul 20.

Livestock Production and Management Section, Indian Veterinary Research Institute, Izatnagar, 243122, UP, India.

The present study was conducted to study the effect of microencapsulated, lyophilized, or fermented milk using Lactobacillus acidophilus NCDC15 as a probiotic to improve gut health, growth, nutrient utilization, and immunity status of young crossbred calves. The viable culture of L. acidophilus was used for preparation of different probiotic forms/products. To compare the efficacy of probiotic products, twenty crossbred calves (3-day old) were divided into four groups (n = 5), control (C), fed only milk and basal diet, and treatment groups, supplemented with microencapsulated, fermented, and lyophilized probiotic at 10 colony-forming units, respectively. Probiotic-supplemented groups showed reduction in faecal score, faecal pH, and ammonia concentration as compared to control indicating decreased diarrheal incidence. There was an increase (P < 0.05) in the concentration of faecal lactate and butyrate in the probiotic-supplemented groups. The faecal count (log10 (CFU)/g of fresh faeces) of lactobacilli and bifidobacteria was higher (P < 0.05), whereas faecal coliforms and clostridia count were reduced (P < 0.001) in all the probiotic fed groups as compared to control. The cell-mediated immunity was improved (P < 0.05) in the microencapsulated and fermented probiotic groups. However, there was no effect on the nutrient utilization, average daily gain, and blood biochemical profile. Therefore, it is concluded that the fermented, microencapsulated and lyophilized probiotic products were superior in improving the gut health in terms of its microbiota and metabolites and cell-mediated immunity response in calves, irrespective of form of probiotic. The increased population of Lactobacillus and Bifidobacterium decreased the colonization of the gut by pathogens such as Escherichia coli and Clostridium by exclusion and production of organic acids in the intestine. This decreased the diarrhoeal incidence (1.3 vs 1.8) and days in diarrhoea (3.9 vs 5.8) in calves in probiotic fed groups as compared to control.
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July 2021