Evaluation of Lactobacillus paracasei subsp. tolerans isolated from Jenyn’s sprat (Ramnogaster arcuata) as probiotic for juvenile rainbow trout Oncorhynchus mykiss (Walbaum, 1792)

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Evaluation of Lactobacillus paracasei subsp. tolerans isolated from Jenyn’s sprat (Ramnogaster arcuata) as probiotic for juvenile rainbow trout Oncorhynchus mykiss (Walbaum, 1792)

A. Lopez Cazorla [et.al.] - Nama Orang;

A lactic acid bacterial strain, Lactobacillus paracasei subsp. tolerans F2, isolated from the intestine of Ramnogaster arcuata, was evaluated as a growth promoter in juvenile rainbow trout Oncorhynchus mykiss (Walbaum, 1972) farming. In addition, the safety of the strain was assessed according to the FAO recommendations. Strain F2 was susceptible to most antibiotics tested and no evidence of hemolytic activity was found. When the strain of Lactobacillus paracasei subsp. tolerans F2 was administered with food, no adverse effects on health were observed and fish biomass increased 12% more in the treatment group than in the control group. Significant differences were detected in the specific growth rate and feed conversion ratio. In the group receiving Lactobacillus paracasei subsp. tolerans F2-supplemented feed, quantitative differences in the microbial composition of fish feces with respect to the control group were observed. An important decrease in fungi and enterobacteria was observed in feces from the treatment group, coincident with an increase in lactic acid bacteria. This result would indicate a change in the composition of the intestinal microbiota of fish treated with the putative probiotic. These results suggest that the strain of Lactobacillus paracasei subsp. tolerans F2 has the application potential

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Informasi Detail

Judul Seri: J. Appl. Ichthyol
No. Panggil: -
Penerbit: Argentina : Blackwell Verlag GmbH., 2014
Deskripsi Fisik: J. Appl. Ichthyol. 2015
Bahasa: English
ISBN/ISSN: doi: 10.1111/jai.124
Klasifikasi: -
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: 31 (2015), 88–94
Subjek: PERIKANAN
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Mutia/Agus

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Evaluation of Lactobacillus paracasei subsp. tolerans isolated from Jenyn’s sprat (Ramnogaster arcuata) as probiotic for juvenile rainbow trout Oncorhynchus mykiss (Walbaum, 1792)

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