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Abedi, S.Z, Yeganeh, S, Moradian, F, Ouraji, H. (1399). Probiotic potential of Lactobacillus sp. strains capable of phytate breakdown isolated from dairy products for using in rainbow trout (Oncorhynchus mykiss Walbaum, 1792) diet. سامانه مدیریت نشریات علمی, 19(4), 1690-1707. doi: 10.22092/ijfs.2019.118802
S.Z Abedi; S Yeganeh; F Moradian; H Ouraji. "Probiotic potential of Lactobacillus sp. strains capable of phytate breakdown isolated from dairy products for using in rainbow trout (Oncorhynchus mykiss Walbaum, 1792) diet". سامانه مدیریت نشریات علمی, 19, 4, 1399, 1690-1707. doi: 10.22092/ijfs.2019.118802
Abedi, S.Z, Yeganeh, S, Moradian, F, Ouraji, H. (1399). 'Probiotic potential of Lactobacillus sp. strains capable of phytate breakdown isolated from dairy products for using in rainbow trout (Oncorhynchus mykiss Walbaum, 1792) diet', سامانه مدیریت نشریات علمی, 19(4), pp. 1690-1707. doi: 10.22092/ijfs.2019.118802
Abedi, S.Z, Yeganeh, S, Moradian, F, Ouraji, H. Probiotic potential of Lactobacillus sp. strains capable of phytate breakdown isolated from dairy products for using in rainbow trout (Oncorhynchus mykiss Walbaum, 1792) diet. سامانه مدیریت نشریات علمی, 1399; 19(4): 1690-1707. doi: 10.22092/ijfs.2019.118802

Probiotic potential of Lactobacillus sp. strains capable of phytate breakdown isolated from dairy products for using in rainbow trout (Oncorhynchus mykiss Walbaum, 1792) diet

Iranian Journal of Fisheries Sciences
مقاله 177، دوره 19، شماره 4، مهر 2020، صفحه 1690-1707    اصل مقاله (508.42 K)
شناسه دیجیتال (DOI): 10.22092/ijfs.2019.118802
نویسندگان
S.Z Abedi1؛ S Yeganeh* 1؛ F Moradian2؛ H Ouraji1
1Department of Fisheries, Faculty of Animal Sciences and Fisheries, Sari Agricultural Sciences and Natural Resources University (SANRU), Sari, Iran
2Department of Basic Sciences, Sari Agricultural Sciences and Natural Resources University (SANRU), Sari, Iran
چکیده
This research investigated the feasibility of using three strains Lactobacillus sp. viz. AM11, AM13, and AM14 previously isolated from dairy products to be used as probiotics in fish diet for phytase production. The bacteria grown in oxygenated media, bile salt, acid and supernatant of digestive tract  were examined for their antibiotic resistance and non-pathogenicity for using in fish feed. Results indicated that the isolates might be attractive candidates as probiotic strains in rainbow trout. All strains were capable of growth and produced phytase in a pH range from 3.0 to 8.0. The isolated strains were also resistant in bile salts and supernatant of digestive tract. No mortality has been observed in the fish injected by bacterial strains. No bacterial growth has observed in the liver, kidney and spleen media after 24 h. Therefore, the examined Lactobacillus strains were non-pathogenic. Due to the low resistance of these strains to tetracycline (antibiotic), it is suggested to avoid using tetracycline in rainbow trout farms when the bacterial strains are used as probiotic. According to the results, the three isolated resistant strains can be employed as probiotics in fish feed.
کلیدواژه‌ها
Probiotic؛ Lactobacillus sp؛ Phytase؛ Fish feed
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