Anti-mycotoxigenic properties of probiotic Bacillus spp. in Japanese quails
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Anti-mycotoxigenic properties of probiotic Bacillus spp. in Japanese quails Niloofar Razmgah 1 & Mohammad Amir Karimi Torshizi 1 & Mohammad Reza Sanjabi 2 & Naheed Mojgani 3 Received: 27 July 2019 / Accepted: 24 January 2020 # Springer Nature B.V. 2020
Abstract The current study was conducted to evaluate the anti-mycotoxigenic effects of previously isolated Bacillus spp. in Japanese quails. A total of 240-day-old Japanese quails were assigned in to six treatments and four replicates. Dietary treatments included the following: negative control (basal diet), positive control (basal diet + 2.5 ppm afltatoxin B1), probiotic treatments (basal diet + 2.5 ppm afltatoxin B1), and 108 cfu/ml of different Bacillus spp. (B. megaterium, B. subtilis, or B. laterosporus) in drinking water and treatment P (basal diet + 2.5 ppm afltatoxin B1 and 2.5 ppm Polysorb®). Body weight gain, feed intake, and feed conversion ratio were not affected by dietary treatments (P > 0.05). Carcass yield significantly increased in B. megaterium and B. subtilis treatments compared with positive control. Supplementation of B. megaterium significantly increased testes, uterus and oviduct weights, skin response to 2,4-dinitro 1-chlorobenzene and phytohemagglutinin, and antibody production against sheep red blood cells (P < 0.05). B. megaterium could significantly increase bursa weight and decrease liver weight compared with positive control (P < 0.05). B. megaterium, B. laterosporus, and Polysorb treatments significantly decreased H:L and aspartate aminotransferase activity in aflatoxin B1 fed control (P < 0.05). B. megaterium and B. laterosporus significantly increased tibia weight, length, radius, index, and ash content compared with positive control (P < 0.05). All dietary additives significantly reduced meat oxidation, total aerobic bacteria, and spore forming bacteria of ileal content compared with positive control (P < 0.05). Ileal lactic acid bacteria significantly increased in B. megaterium treatment (P < 0.05). Totally, B. megaterium might be a promising probiotic with a comparable afltatoxin B1 removal potential to commercial toxin binder (Polysorb). Keywords Aflatoxin B1 . Probiotic . Anti-mycotoxigenic . Bacillus megaterium
Introduction Aflatoxins are a group of mycotoxins produced by Aspergillus (Aspergillus flavus, Aspergillus parasiticus, and Aspergillus nomius). The immune suppressive property of aflatoxins is a great threat to the health of man and animals. A wide range of pernicious disorders (genetic mutations and cancer) has been
* Naheed Mojgani [email protected] 1
Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
2
Agriculture Research Institute, Iranian Research Organization for Science & Technology (IROST), Shahrak-e-Shahab Sang, Tehran, Tehran Province, Iran
3
Research and Development Department, Razi Vaccine and Serum Research Institute-Agriculture Research Education and Extension Organization, Karaj, Iran
reported due to aflatoxin accumulation in bod
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