2017
DOI: 10.21897/rmvz.925
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Estreptococos beta-hemolítico en tilapias del Nilo (Oreochromis niloticus) cultivadas en Sullana, Piura - Perú

Abstract: Objective. This investigation aimed to study the presence of Streptococcus spp. in tilapia (Oreochromis niloticus) from fish farm located in Sullana-Piura, Peru. Materials and methods. 150 fish with clinical signs of streptococcal disease were sampled, and the bacterium isolation was performed on blood agar, correlated to histopathological lesions description and molecular confirmation by real-time PCR. Results. The necropsy revealed exophthalmia, hyphema, congestion and/or haemorrhagic meninges, ascites, sple… Show more

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Cited by 5 publications
(2 citation statements)
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“…The postmortem modifications could be caused by the identified septicemic pathogens and their virulence genes. The postmortem outcomes presented in this study are highly comparable to those investigated by a wide number of investigators in earlier publications ( Pritchard and Lin, 1993 ; Ahmed and Shoreit, 2001 ; Khafagy et al , 2009 ; Musa et al , 2009 ; Umesha et al , 2011 ; Soliman et al , 2014 ; Dahdouh et al , 2016 ; Moustafa et al , 2016 , Omar et al , 2016 , 2017; Ortega et al , 2017 ; Osman et al , 2017 ; Saleh et al , 2017 ; Ahmed et al , 2018 ; El-Gamal et al , 2018 ; Hardi et al , 2018 ; Hamouda et al , 2019 ; Mansour et al , 2019 ; Hassan et al , 2020 ; Gobarah et al , 2021 ; Moustafa et al , 2021 ).…”
Section: Discussionsupporting
confidence: 87%
“…The postmortem modifications could be caused by the identified septicemic pathogens and their virulence genes. The postmortem outcomes presented in this study are highly comparable to those investigated by a wide number of investigators in earlier publications ( Pritchard and Lin, 1993 ; Ahmed and Shoreit, 2001 ; Khafagy et al , 2009 ; Musa et al , 2009 ; Umesha et al , 2011 ; Soliman et al , 2014 ; Dahdouh et al , 2016 ; Moustafa et al , 2016 , Omar et al , 2016 , 2017; Ortega et al , 2017 ; Osman et al , 2017 ; Saleh et al , 2017 ; Ahmed et al , 2018 ; El-Gamal et al , 2018 ; Hardi et al , 2018 ; Hamouda et al , 2019 ; Mansour et al , 2019 ; Hassan et al , 2020 ; Gobarah et al , 2021 ; Moustafa et al , 2021 ).…”
Section: Discussionsupporting
confidence: 87%
“…El presente trabajo evidenció que el tipo de cultivo de tilapia en jaulas flotantes suelen ser más vulnerables que los sistemas en estanques a las infecciones por Streptococcus spp., esto ocasiona incertidumbre, por los cambios ambientales que se puedan presentar y elevar los problemas sanitarios en peces, por lo que es necesario un monitoreo sanitario constante. Los casos infecciosos en tilapia cultivada en jaula con frecuencia se vinculan a más de un patógeno, entre los más frecuentes se menciona a S. agalactiae , S. iniae (Ortega et al, 2017), Enterococcus sp., (Sandoval et al, 2013) y L. garvieae (Chu et al, 2016;Anshary et al, 2014), este último induce signos clínicos similares a Streptococcus spp., y ha sido recuperado de brotes sospechosos a estreptococosis (Bwalya et al, 2020).…”
Section: Discussionunclassified