2013
DOI: 10.1016/j.ejar.2013.12.001
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Effect of oxytetracycline and florfenicol as growth promoters on the health status of cultured Oreochromis niloticus

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Cited by 142 publications
(113 citation statements)
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“…Congestion of hepatocytes cells, void space and severe fatty changes were observed in liver whereas, periglomerular lymphocytic aggregation was found in kidney tissues. Similar results also reported for tilapia and channel catfishes (Reda et al, 2013). Applications of higher dosages of antibiotics cause immune disruptions and fish become more susceptible to disease occurrence after antibiotic residual periods (Sanchez-Martinez et al, 2008).…”
Section: Discussionsupporting
confidence: 76%
See 1 more Smart Citation
“…Congestion of hepatocytes cells, void space and severe fatty changes were observed in liver whereas, periglomerular lymphocytic aggregation was found in kidney tissues. Similar results also reported for tilapia and channel catfishes (Reda et al, 2013). Applications of higher dosages of antibiotics cause immune disruptions and fish become more susceptible to disease occurrence after antibiotic residual periods (Sanchez-Martinez et al, 2008).…”
Section: Discussionsupporting
confidence: 76%
“…About 30-80 mg kgG 1 b.wt. of oxytetracycline is frequently prescribed by aquaculture practitioner (Reda et al, 2013). Residual periods of different antibiotics in various species are not well studied and thus have very little information (Islam et al, 2014).…”
Section: Discussionmentioning
confidence: 99%
“…The application of prebiotics in aquatic animals gained benefits on growth (Guerreiro et al, 2015), gut microbiota (Ricke, 2005;Zhou et al, 2010), resistance against pathogenic bacteria (Talpur et al, 2014) and innate immune parameters including alternative complement activity (ACH50) (Guerreiro et al, 2016), lysozyme activity (Reda et al, 2013), natural hemagglutination activity (Ganguly et al, 2013), respiratory burst (Ibrahem et al, 2010), superoxide dismutase activity (Mona et al, 2015), and phagocytic activity (Ringø et al, 2010).…”
Section: Discussionmentioning
confidence: 99%
“…The results demonstrated that the OTC treatment for 10 days could bring out improved functioning of fish kidneys that carry infectious agents. Nonetheless, several earlier studies demonstrated negative effects of OTC administration at high concentrations; for example, tissue damages in the kidneys when OTC was administered intramuscularly [21], congestion, severe fatty changes and vacuolations in the hepatocytes and periglomerular lymphocytic aggregation in the kidney of O. niloticus when fed with OTC at 100 mg/kg diet [24], diffuse cytoplasmic vacuolization of the renal duct epithelium in the kidney of C. carpio when fed OTC feed at 15 g/kg live weight [25]. Necrosis was observed only in challenging and non-treated fish, while it was absent in unchallenged control fish as well as challenged and OTC treated fish.…”
Section: Histopathologymentioning
confidence: 99%