2018
DOI: 10.1590/s1984-296120180073
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Abstract: The aim of this study was to evaluate the impacts of metazoan parasites on hematological and biochemical parameters and relative condition factor of tambaqui (Colossoma macropomum ) farmed in northern Brazil. A total of 32 juvenile fish were captured from a commercial fish farm located in the municipality of Rio Preto da Eva, Amazonas state, Brazil. Parasite prevalence was 100% for Anacanthorus spathulatus, Mymarothecium boegeri and Notozothecium janauachensis, 100% for Neoechinorhynchus buttnerae and 53.13% f… Show more

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Cited by 22 publications
(21 citation statements)
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“…No fish died during the present study, nor did present any clinical signs of diseases, as also observed by Rocha et al. (2018). In contrast, other studies have reported fish mortality (Malta et al., 2001) and cachexia in cultured fish in Rondônia and the Amazonas State, Brazil (Jerônimo et al., 2017).…”
Section: Discussionsupporting
confidence: 89%
See 1 more Smart Citation
“…No fish died during the present study, nor did present any clinical signs of diseases, as also observed by Rocha et al. (2018). In contrast, other studies have reported fish mortality (Malta et al., 2001) and cachexia in cultured fish in Rondônia and the Amazonas State, Brazil (Jerônimo et al., 2017).…”
Section: Discussionsupporting
confidence: 89%
“…This fact was also observed by Rocha et al. (2018). Moreover, MCV showed values that were higher than the reference (Tavares‐Dias, 2015); therefore, red blood cell counts were higher than average in this study, thus reinforcing the theory of anaemia.…”
Section: Discussionsupporting
confidence: 85%
“…Histochemical techniques revealed the presence of increased production of acidic mucous substances by hosts as a response to infection (MATOS et al, 2017). Hematological alterations were also observed in C. macropomum infected by N. buttnerae and others metazoan species, with a negative correlation between the abundance of acanthocephalans and parameters such as hematocrit, hemoglobin concentration and total thrombocytes (ROCHA et al, 2018).…”
Section: Acanthocephalamentioning
confidence: 95%
“…Among the various pathogenic agents responsible for causing diseases in fish, helminths are a group of parasites that present epidemiological importance because the injuries that they cause favor occurrences of secondary infections, thus hampering the diagnosis and treatment (PYLKKÖ et al, 2006;MDEGELA et al, 2011;KOTOB et al, 2017). In addition, helminth infection can also lead to hematological and metabolic alterations that may be harmful to the health of fish, compromising fish survival, feed conversion, and consequently their grow rate (HIRAZAWA et al, 2016;ROCHA et al, 2018). Therefore, the present review provide an overview of the efforts that has been made to understand fish reactions to helminth infection, highlighting the main immune responses of teleost fish to infections caused by these parasites Infection by helminths in teleost fish "Helminth" is a generic term that is used to refer to worms that belong to the phyla Platyhelminthes, Nematoda and Acanthocephala.…”
Section: Fish Diseases and Triggering Of The Immune Responsementioning
confidence: 99%
“…In the fish farms at Brasil, fish infected with acanthocephalans show low growth, clinical signs of cachexia, haematological changes (Marinho, Tostes, Borges, Oba‐Yoshioka, & Tavares‐Dias, 2015; Rocha et al., 2018), histopathological and irreversible changes in intestinal portions (Jerônimo et al., 2017; Matos, Oliveira, Gomes, & Silva, 2017; Oliveira et al., 2019).…”
Section: Introductionmentioning
confidence: 99%