2014
DOI: 10.1590/s1984-29612014041
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Abstract: Ectoparasitas de tilápias-do-Nilo (Oreochromis niloticus) criadas em tanques-rede em um reservatório de usina hidrelétrica no Brasil AbstractFor this study, we performed a parasitological analysis of cage-cultured Nile tilapia (Oreochromis niloticus) from the Água Vermelha Reservoir, Southeastern Brazil, and verified relationships with limnological data, seasonality, and fish growth phase. From March 2010 to March 2011, sixty-three specimens of O. niloticus in three growth phases (i.e., initial, intermediate,… Show more

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Cited by 34 publications
(47 citation statements)
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“…When fish cultivation systems with high stocking densities have inadequate water management, and substandard nutrition, parasitic diseases can emerge (Schalch and Moraes 2005;Zanolo and Yamamura 2006;Pavanelli et al 2013;Zago et al 2014), causing significant losses to production. Under intense infestations or infections, parasites can cause physiological damage to hosts, leading to death of fish in severe cases (Martins and Yoshitoshi 2003).…”
Section: Leporinus Macrocephalusmentioning
confidence: 99%
“…When fish cultivation systems with high stocking densities have inadequate water management, and substandard nutrition, parasitic diseases can emerge (Schalch and Moraes 2005;Zanolo and Yamamura 2006;Pavanelli et al 2013;Zago et al 2014), causing significant losses to production. Under intense infestations or infections, parasites can cause physiological damage to hosts, leading to death of fish in severe cases (Martins and Yoshitoshi 2003).…”
Section: Leporinus Macrocephalusmentioning
confidence: 99%
“…However, this rapid expansion has provided opportunities for increased levels of parasitic infections in farming systems. High stocks of fish, along with inadequate water management and deficient nutritional status of fish, have given rise to occurrences of parasitic diseases (SCHALCH & MORAES, 2005; ZANOLO & YAMAMURA, 2006;PAVANELLI et al, 2013;ZAGO et al, 2014), culminating in significant production losses.…”
Section: Introductionmentioning
confidence: 99%
“…The mean temperature is above 30 °C, which is a factor that can cause stress among fish, thus favoring multiplication of parasites (MARINHO et al, 2013). Abiotic variations, such as high temperatures and low levels of oxygen can influence the abundance of some species of parasites or the abundance of intermediate hosts (TAVARES-DIAS et al, 2001;SCHALCH & MORAES, 2005;MARINHO et al, 2013;ZAGO et al, 2014;JERÔNIMO et al, 2016).…”
Section: Introductionmentioning
confidence: 99%
“…Similarly, Marengoni et al (2009) failed to report the relationship with monogenoids in the tilapias bred in cages between February and June, even though there was a greater temperature oscillation throughout the period. Contrastingly, Zago et al (2014) reported an increase in mean intensity of ectoparasites according to the cultivation phase (initial, intermediate and final).…”
Section: Discussionmentioning
confidence: 67%
“…Conditions worsened when production intensified through high densities (TAVARES-DIAS; MARIANO, 2015). Trichodines and monogenenoids in the Nile tilapia have already been detected in several fish farms with different stocking densities, cultivation phases and at different periods of the year (BRACCINI et al, 2008;JERÔNIMO et al, 2011;ZAGO et al, 2014;DOTTA et al, 2015;PAREDES-TRUJILLO et al, 2016). The above reveals that parasites always occur in culture conditions but are only relevant when there is an imbalance between host, parasite and environment.…”
Section: Discussionmentioning
confidence: 98%