Effects of chromium supplementation on the infrapopulations of Anacanthorus penilabiatus (Monogenoidea) and Piscinoodinium pillulare (Dinoflagellida) parasites of Piaractus mesopotamicus (Characidae)

Fujimoto, Rodrigo Yudi; Castro, Marcello Pardi de; Martins, Maurício Laterça; Moraes, Flávio Ruas de; Varella, J. E. de A.; Diniz, Daniel Guerreiro

doi:10.1590/s1516-89132010000400011

Cited by 5 publications

(8 citation statements)

References 19 publications

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“…The monogeneans are mostly ectoparasites and are frequently observed in the gills. They are especially important in relation to fish rearing and may cause high mortality rates among farmed fish (FUJIMOTO et al, 2010). In these specimens, the intensity of infection was not related to the size of the hosts, contrary to what was observed by Pereira Junior et al (2002) and Gonzáles et al (2001) in relation to Neoheterobothrium parasitizing Hippoglossina macrops, which was related to greater surface area of the gills of the older hosts.…”

Section: Stomach Anterior Intestine Middle Intestine Posterior Intestcontrasting

confidence: 72%

Parasites of four ornamental fish from the Chumucuí River (Bragança, Pará, Brazil)

Fujimoto

Barros

Marinho-Filho

et al. 2013

Rev. Bras. Parasitol. Vet.

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The objective of the present study was to evaluate the parasite fauna of four species of ornamental fish collected in the Chumucuí River, municipality of Bragança, Pará, Brazil. From June 2006 to December 2007 belonging to four species were collected, including 23 specimens of Moenkhausia sanctaefilomenae (redeye tetra), 37 Carnegiella strigata (marbled hatchetfish), 7 Chilodus punctatus (spotted headstander), and 240 Astyanax bimaculatus (twospot astyanax). The parasites found belonged to three taxa: monogeneans in the gills, nematodes (larvae of Capillaria sp. and Contracaecum sp.) in the digestive tract and liver and acanthocephalans (Quadrigyrus torquatus, Q. brasiliensis and Q. nickoli) in the stomach and intestine. Astyanax bimaculatus presented higher prevalence of acanthocephalans in the wet season, and lower prevalence of nematodes in the dry season. The possible importance of these parasites in the exportation of ornamental fish is discussed.

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Section: Stomach Anterior Intestine Middle Intestine Posterior Intestcontrasting

confidence: 72%

Parasites of four ornamental fish from the Chumucuí River (Bragança, Pará, Brazil)

Fujimoto

Barros

Marinho-Filho

et al. 2013

Rev. Bras. Parasitol. Vet.

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“…The pacu, Piaractus mesopotamicus (Holmberg, 1887) is one of the most important fish in Brazilian aquaculture (Roubach et al, 2003) and widely studied for different issues (Barreto et al, 2010;Fujimoto et al, 2010;Jerônimo et al, 2011). Its farming has grown in the last decade with an annual production around 12,400 tons (Ibama, 2005).…”

Section: Introductionmentioning

confidence: 99%

Leukocytes respiratory burst activity as indicator of innate immunity of pacu Piaractus mesopotamicus

et al. 2013

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The present study evaluated the assay to quantify the respiratory burst activity of blood leukocytes of pacu as an indicator of the innate immune system, using the reduction of nitroblue tetrazolium (NBT) to formazan as a measure of the production of reactive oxygen species (ROS). In order to assess the accuracy of the assay, fish were challenged by Aeromonas hydrophila and sampled one week after challenge. The A. hydrophila infection increased the leukocyte respiratory burst activity. The protocol showed a reliable and easy assay, appropriate to determine the respiratory burst activity of blood leukocytes of pacu, a neotropical fish, in the present experimental conditions. Keywords: immune methodology, fish immunology, cellular immunity. Atividade respiratória de leucócitos como indicador de imunidade inata de pacu (Piaractus mesopotamicus)Resumo O presente estudo avaliou o ensaio para quantificar a atividade respiratória dos leucócitos do sangue de pacu como um indicador do sistema imune inato, usando a redução do nitroazul tetrazólio (NBT) a formazan como medida da produção de espécies reativas de oxigênio (EROs). Para avaliar a precisão do ensaio, peixes foram desafiados por Aeromonas hydrophila e amostrados uma semana após o desafio. A infecção com A. hydrophila aumentou a atividade respiratória dos leucócitos. O protocolo se mostrou confiável e de fácil aplicação, apropriado para determinar a atividade respiratória de leucócitos do sangue do pacu, peixe neotropical, nas condições experimentais apresentadas.Palavras-chave: metodologia, imunidade de peixe, imunidade mediada por células.

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“…Among the diseases that affect tilapia are parasitic diseases caused by parasites of the class Monogenoidea, that have been widely reported parasitizing the gills and body surface of O. niloticus in Brazil. Dactylogyridae of the genera Cichlidogyrus Paperna, 1960, Onchobdella Paperna, 1968, and Scutogyrus Pariselle & Euzet, 1955; and Gyrodactylidae of the genus Gyrodactylus Normdmann, 1832, are the main species that inhabit these farmed fish (Ranzani-Paiva et al, 2005;Ghiraldelli et al, 2006;Graça and Machado, 2007;Lizama et al, 2007;Marengoni et al, 2009;Jeronimo et al, 2011;Pantoja et al, 2012;Bittencourt et al, 2014;Zago et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…In 1964, in a study on the relationship between carps and protozoan and monogenoidean populations, Paperna & Kohn observed that fish that were in a better nutritional condition presented lower infestation by monogenoideans (Paperna & Kohn, 1964). Nutritional factors support physiological processes, stimulate host immunity and increase the presence of defense cells (Rotta, 2003;Fujimoto et al, 2010;Biller-Takahashi, 2014). According to Fujimoto et al (2010), vitamins and minerals are important in the physiological processes of fish species, through minimizing the effects of stressor agents.…”

Section: Introductionmentioning

confidence: 99%

Monogenoidea parasites of Oreochromis niloticus submitted to ractopamine supplemented diet from cultivated system

Justo

Nascimento

Meneses

et al. 2020

Arq. Bras. Med. Vet. Zootec.

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Oreochromis niloticus (Linnaeus) (Perciformes: Cichlidae), commonly named “tilapia”, is the second most cultivated species in the world. Among the diseases that affect tilapia are parasitic diseases caused by parasites of the class Monogenoidea. The aim of the present study was to analyze parasitism rates among specimens of O. niloticus in farming systems, after dietary supplementation with ractopamine, a growth promoter that is used for fattening fish. The action of this substance on the quantitative parameters of infestation by Monogenoidea was evaluated. Samples of O. niloticus were obtained from a fish farm in Brasília, Federal District, Brazil. Their gills were removed and fixed. Four species of monogenoideans were collected: Cichlidogyrus halli, C. sclerosus, C. thurstonae and Scutogyrus longicornis. The results from this study indicate that the monogenoidean parasites of tilapias examined here presented different behaviors in relation to the ractopamine concentrations that were added to the food. The parasitological indexes did not present significant reductions through using ractopamine, thus leading to the conclusion that administration of ractopamine is not efficient as a method for controlling infestations of monogenoidean parasites.

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Effects of chromium supplementation on the infrapopulations of Anacanthorus penilabiatus (Monogenoidea) and Piscinoodinium pillulare (Dinoflagellida) parasites of Piaractus mesopotamicus (Characidae)

Cited by 5 publications

References 19 publications

Parasites of four ornamental fish from the Chumucuí River (Bragança, Pará, Brazil)

Parasites of four ornamental fish from the Chumucuí River (Bragança, Pará, Brazil)

Leukocytes respiratory burst activity as indicator of innate immunity of pacu Piaractus mesopotamicus

Monogenoidea parasites of Oreochromis niloticus submitted to ractopamine supplemented diet from cultivated system

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