Data/hora: 20/06/2024 12:58:02

Biblioteca(s): | Embrapa Tabuleiros Costeiros.
Data corrente: | 22/12/2022
Data da última atualização: | 26/12/2022
Autoria: | COUTO, M. V. S. do; SOUSA, N. C.; ABE, H. A.; CUNHA, F. S.; MENESES, J. O.; PAIXÃO, P. E. G.; MOURINO, J. L. P.; MARTINS, M. L.; CORDEIRO, C. A. M.; FUJIMOTO, R. Y.
Afiliação: | MÁRCIA VALÉRIA SILVA DO COUTO; NATALINO COSTA SOUSA; HIGO ANDRADE ABE; FERNANDA SANTOS CUNHA; JULIANA OLIVEIRA MENESES; PETERSON EMMANUEL GUIMARÃES PAIXÃO; JOSE LUIZ PEDREIRA MOURINO; MAURÍCIO LATERÇA MARTINS; CARLOS ALBERTO MARTINS CORDEIRO; RODRIGO YUDI FUJIMOTO, CPATC.
Título: | Dietary supplementation of Probiotic Enterococcus faecium improve resistance in Arapaima gigas against Aeromonas hydrophila.
Ano de publicação: | 2022
Fonte/Imprenta: | Aquaculture Research, v. 53, p. 3453-3463, 2022.
Idioma: | Inglês
Conteúdo: | This study evaluated the mortality rate, histopathology and haematological param-eters of Arapaima gigas against Aeromonas hydrophila after 68 days of dietary probiotic supplementation with autochthonous bacterium Enterococcus faecium. Three experi-ments were carried out: the first assay evaluated the lethality of A. hydrophila, the second and the third assay evaluated the fish supplemented subjected to A. hydrophilalethal dose 30% (106 CFU ml−1) and lethal dose 100% (108CFU ml−1) respectively. The clinical signs, blood changes, histopathological alterations and mortalities were evalu-ated. At the first experiment, the concentrations of 106 and 108CFU.mL−1 with A. hy-drophila caused 33% and 100% of mortality. The A. hydrophila infection provoked clinical signs such as dark skin, ulceration, haemorrhage, pale gills and liver, hepatic alterations, hyperaemia, hepatic cord breakdown, cellular deforming, lipid degener-ation and necrosis. In the second experiment, no mortality occurred onto fish fed with probiotic. Furthermore, in the third experiment, fish submitted to probiotic sup-plementation showed reduction in mortality of 75% compared with the control and fish fed with probiotic diets at 108CFU g−1 not presented any clinical signs. For these reasons, Arapaima gigas juveniles previously submitted to probiotic supplementation with E. faecium (108CFU g−1) shows better physiological and immunological response, improving resistance against A. hydrophila infection.
Thesagro: | Doença Animal; Hematologia; Peixe; Pirarucu.
Thesaurus Nal: | Fish; Fish diseases; Hematology.
Categoria do assunto: | L Ciência Animal e Produtos de Origem Animal
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1150243/1/Dietary-supplementation-of-Probiotic-Enterococcus-faecium-improve-resistance-in.pdf
Registro original: | Embrapa Tabuleiros Costeiros (CPATC)
Exemplares: | CPATC - (26084-1) - UPC - AP - DD -  -  -  - DIS