Parasites of the freshwater fish trade in Brazil: science metric study

Ueda, Bruno Hideo; Karling, Letícia Cucolo; Takemoto, Ricardo Massato; Pavanelli, Gilberto Cezar

doi:10.1590/s0100-736x2013000700004

Cited by 9 publications

(6 citation statements)

References 3 publications

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“…The tilapia used in these experiments exhibited infestation with monogenoid parasites (Monogenea sp.). UEDA et al (2013) reported that the monogenoid group was the most prevalent in freshwater fish in Brazil. Parasites of this class are potential disease agents and have previously been described in other fish species (DUTTA et al, 2015;JERÔNIMO et al, 2011).…”

Section: Resultsmentioning

confidence: 99%

Antiparasitic effect of Mentha × villosa hydrolate against monogenean parasites of the Nile tilapia

et al. 2021

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This paper o evaluated different concentrations and exposure times of Mentha × villosa hydrolate for the control of monogeneans in Nile tilapia (Oreochromis niloticus). Mentha × villosa leaves (150 g) were homogenized and the hydrolate was obtained by hydrodistillation for 4 h in a Clevenger apparatus. Fifty tilapia were then divided into ten groups (five fish each) and subjected to therapeutic baths for 15 minutes in five different hydrolate concentrations (0, 10, 20, 40, and 80 ml.L-1;× 2 replicates). After a suitable hydrolate concentration was identified, another 50 tilapia were divided into ten groups (five fish each) and subjected to therapeutic baths at the identified hydrolate concentration for five different durations (0, 15, 30, 45, and 60 minutes;× 2 replicates). In both steps, the mucus and gills were analyzed to determine parasitological indices. The hydrolate concentration of 20 ml.L-1 showed an efficacy of 59.9% and the biggest decrease in pathogen prevalence, average abundance, and average infection compared to the control and the lowest concentration (10 ml.L-1). For duration, the best antiparasitic effects were achieved with the 60-minute therapeutic bath, as it resulted in 89.28% antiparasitic efficacy. Therefore, it was concluded that therapeutic baths of M. × villosa hydrolate at a concentration of 20 ml.L-1 for 60 minutes have satisfactory antiparasitic effects and could be used to control monogenetic infestations in the gills and mucus of Nile tilapia (O. niloticus).

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Section: Resultsmentioning

confidence: 99%

Antiparasitic effect of Mentha × villosa hydrolate against monogenean parasites of the Nile tilapia

et al. 2021

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“…These data show a current trend in DD research in studies on cattle foot and claw diseases worldwide. The scientometric studies are scarce in veterinary medicine (Ueda, Karling, Takemoto, & Pavanelli, 2013;Gupta, Ahmed, Gupta, & Tiwari, 2015), and the absence of this type of study on cattle foot and claw diseases has made it difficult to compare the data of a study with those of other studies.…”

Section: Tablementioning

confidence: 99%

Half a century of research on cattle foot and claw diseases: a scientometric analysis

Silva

Queiroz

Borges

et al. 2020

SCA

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The objective of this study was to quantitatively evaluate scientific publications on cattle foot and claw diseases using the Scopus database. A combination of keywords "hoof disease AND bovine OR cattle OR cow" was used. Publications were classified according to the type, language, subject area, source title, author, affiliation, and country/territory. The documents were grouped later into thematic topics. The diseases evaluated in each study were quantified separately and in related groups, and distributed by decades. The frequencies of the thematic topics and diseases were compared by the chi-square test for adherence. In total, 642 publications were analyzed (595 articles, 46 reviews, and 1 note). Most of these papers were written in English (518). The main subject areas were Veterinary; Agricultural and Biological Sciences; and Biochemistry, Genetics, and Molecular Biology. Journal of Dairy Science was the journal that published most articles in the area, with the best citations (SCImago Journal Rank = 1.21). The authors with the highest number of publications were Johann Kofler with 19, and David Nixon Logue and Jan Keith Shearer with 18 documents each. By affiliation, the institution with the highest number of publications was the Swedish University of Agricultural Sciences. By country or territory, the United States of America (22%), the United Kingdom (17%), Germany (11%), and Canada (10%) together accounted for 60% of the publications. The classification of the documents into thematic topics resulted in four groups: Specific hoof diseases (70%), General hoof diseases (14%), Lameness (11%), and Healthy hoof characterization (5%). Eighteen foot and claw diseases have been studied, with the following being the most frequent: digital dermatitis (17%), sole ulcer (15%), and white line disease (11%). When grouped, laminitis-related diseases represented 48% and infectious diseases represented 38% of the studies. Overall, just over half a century of research on cattle foot and claw diseases, bovine digital dermatitis is the most studied disease. Grouping related disorders revealed that laminitis-related diseases are being studied more than infectious diseases since the 1980s, from when studies on individual foot diseases in cattle increased to the detriment of studies that aimed to evaluate them as a unique problem. Our study, the first scientometric analysis in the subject area, compiles valuable information that can help researchers to develop future projects.

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“…These agents induce reactions of the body, such as circulatory disorders, proliferative, inflammatory and degenerative diseases, and congestion, telangiectasia, hemorrhages, and edemas, epithelial hyperplasia and mucous cells, inflammation and necrosis (Meyers & Hendricks, 1985;Roberts, 2001). Fish are susceptible to parasites, including various species groups which damage the gill tissue, such as Ichthyophthirius multifiliis, Trichodina sp., Chilodonella sp., Henneguya sp., Dolops sp., Lernaea cyprinacea, Monogeneans, Nematodes, and Ergasilidae (Schalch et al, 2006;Ueda et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Parasitism in gills of Centropomus undecimalis (Pisces, Centropomidae) from a protected area in Sao Luis, Maranhao, Brazil

Cantanhêde

Campos

Pereira³

et al. 2018

lajar

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ABSTRACT. Parasitism in fish can occur due to an imbalance in the environment-host-parasite relationship, usually associated with poor environmental quality. The present study aimed to determine the frequency of parasitism and histological alterations in the gills of Centropomus undecimalis from the Jansen Lagoon Ecological Park in São Luís, Maranhão, Brazil. Thirty-three specimens of C. undecimalis were collected. The first right gill arch was removed from each animal and fixed in 10% formalin for 24 h. These were then decalcified in 10% nitric acid, dehydrated in increasing concentrations of alcohol, clarified in xylene and impregnated with and embedded in paraffin. Five-μm thick sections were stained with hematoxylin and eosin for histologic description and to determine parasite frequency. The gill lesions of each fish were semiquantitatively evaluated by calculating the histological alteration index (HAI). Structural alterations in the gills, such as epithelial hyperplasia and mucus, were associated with parasites in 48.4% of the fish. Three families of parasites from the Monogenean and Myxosporean groups were identified. The HAI average was 53.3, demonstrating that individuals collected from C. undecimalis had severe tissue modifications. Therefore, parasitism caused structural damages in the gill tissues of sampled fish, damages that can impair the organ's physiology, and harm the fish health.

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Parasites of the freshwater fish trade in Brazil: science metric study

Cited by 9 publications

References 3 publications

Antiparasitic effect of Mentha × villosa hydrolate against monogenean parasites of the Nile tilapia

Antiparasitic effect of Mentha × villosa hydrolate against monogenean parasites of the Nile tilapia

Half a century of research on cattle foot and claw diseases: a scientometric analysis

Parasitism in gills of Centropomus undecimalis (Pisces, Centropomidae) from a protected area in Sao Luis, Maranhao, Brazil

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