Coccidiosis in fish. Lifecycle of coccidiosis, development, pathogenesis and medications - Shrestha, Biplov
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Seminar paper from the year 2022 in the subject Agrarian Studies, , course: Aquaculture, language: English, abstract: The present review has summarized the status of fish coccidia and has provided an insight into the life cycle, taxonomy, transmission, pathogenesis, prevention, and treatment. Coccidiosis is a disease that is caused by protozoan parasites of the apicomplexan genus Eimeria and is transmitted via ingestion of infective oocysts. It affects many vertebrates and invertebrates causing mortality, poor performance of animals, and reduce productivity. This disease mostly affects the…mehr

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Produktbeschreibung
Seminar paper from the year 2022 in the subject Agrarian Studies, , course: Aquaculture, language: English, abstract: The present review has summarized the status of fish coccidia and has provided an insight into the life cycle, taxonomy, transmission, pathogenesis, prevention, and treatment. Coccidiosis is a disease that is caused by protozoan parasites of the apicomplexan genus Eimeria and is transmitted via ingestion of infective oocysts. It affects many vertebrates and invertebrates causing mortality, poor performance of animals, and reduce productivity. This disease mostly affects the poultry sector, but its different species are also present in fish and cause economic loss. Coccidiosis in fish has been studied extensively, as it is regarded as chronic and its impact is easily overlooked. There are at least 18 genera under 3 families of order Eucoccidiorida that are responsible to cause some form of coccidiosis in different animals including mammals, avians as well as piscine. About 250 species of coccidiosis are known to occur in fish and among them, Eimeria and Goussia spp are the most prevalent ones. Taxonomic classification has been a difficult task and is determined on the basis of morphological features of oocysts. Coccidiosis generally has 3 stages in its lifecycle, with some variation according to species. About 30% of coccidia develops extraintestinal, and most of the fish coccidia are kept under an Eimeria genus. Transmission occurs via direct as well as by indirect method, but direct method id more common and simple. Coccidiosis can cause mild to serve damage and pathogenesis can differ with species. For prevention and control, different anticoccidial drugs are used. However, sanitation is a prime factor to reduce the risk of oocyst's introduction in animals.
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Autorenporträt
My name is Biplov Shrestha and I was born in 1997/02/27. I obtained my Bachelor's degree from Agriculture and Forestry University with 3.87 GPA in Fisheries. I have been involved in numerous survey works and research works such household survey regarding fish consumption and fish farming, its impact and sex reversal technique of tilapia by feeding MT feed along with experience of doing intensive common carp culture as a part of my bachelor's thesis. Currently, I am doing M. Sc in Aquaculture and during mean time I have done some review articles related to antimicrobial resistance in fish and coccidios in fish and I have been involved in teaching since 2020. Now, I am an eramsus scholarship holder and doing my master's in Aquaculture, Environment and Society. I will complete my master's in 2024 and in this master program I have to travel to different countries like Scotland, Greece, France and Netherlands or others.