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Ameliorative effect of Bacillus subtilis, Saccharomyces boulardii, oregano, and calcium montmorillonite on growth, intestinal histology, and blood metabolites on Salmonella-infected broiler chicken

Author:
Abudabos, Alaeldein M., Alhouri, Hemiar A.A., Alhidary, Ibrahim A., Nassan, Mohammed A., Swelum, Ayman A.
Source:
Environmental science and pollution research international 2019 v.26 no.16 pp. 16274-16278
ISSN:
0944-1344
Subject:
Bacillus subtilis, Saccharomyces cerevisiae var. cerevisiae, Salmonella, blood, blood proteins, body weight changes, broiler chickens, calcium, chicks, diet, feed additives, feed conversion, feed intake, glucose, histology, intestines, metabolites, montmorillonite, oregano, transferases, villi
Abstract:
This study evaluated the effects of Bacillus subtilis, Saccharomyces boulardii, oregano, and calcium montmorillonite on the physical growth, intestinal histomorphology, and blood metabolites in Salmonella-challenged birds during the finisher phase. In this study, a total of 600 chicks (Ross 308) were randomly distributed into the following dietary treatments: basal diet with no treatment; infected with Salmonella; T1, infected + avilamycin; T2, infected + Bacillus subtilis; T3, Saccharomyces boulardii; T4, infected + oregano; T5, infected + calcium montmorillonite. Our results indicated that feed consumption, body weight gain, total body weight, and feed conversion ratio increased significantly (P < 0.01) in T1 and T2. Villus width increased significantly (P < 0.01) in T1 while the total area was significantly (P < 0.01) higher in T1 and T2 among the treatment groups. Blood protein was significantly (P < 0.01) high in T3 and T4; however, the glucose concentration was significantly (P < 0.01) high in T2, T3, and T4. The treatments increased significantly (P< 0.01) in the treatment groups compared to the negative control. Aspirate aminotransferase (AST) was significantly (P < 0.05) low in T3 compared to the positive control. In conclusion, the results indicated that supplementation of Bacillus subtilis and calcium montmorillonite improved the production performance compared to other feed additives in broiler chicks infected with Salmonella during the finisher phase.
Agid:
6452836