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Oomycetes: Fungal-Like Menace in Cold-Water Aquaculture

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Fisheries and Aquaculture of the Temperate Himalayas

Abstract

One of the emerging oomycete pathogens of rainbow trout and other salmonids is designated as Saprolegnia spp. Rainbow trout and other cold-water fish are most susceptible to Saprolegnia infections in early and advanced life stages. Saprolegnia has a complicated and well-characterized life cycle that includes both sexual and asexual stages. It has been traditionally identified and distinguished, using patterns of asexual and sexual characteristics, while the sexual characteristics, oospore and lipid droplet position in the oospore, and the asexual characteristics, such as mycelium and germinating cyst, have been most frequently used in identifications. This chapter highlights the morphological and molecular identification of Saprolegnia spp., symptoms of Saprolegnia infections and control measures, including biocontrol methods.

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Tandel, R.S., Amin, A., Dash, P., Bhat, R.A.H. (2023). Oomycetes: Fungal-Like Menace in Cold-Water Aquaculture. In: Pandey, P.K., Pandey, N., Akhtar, M.S. (eds) Fisheries and Aquaculture of the Temperate Himalayas. Springer, Singapore. https://doi.org/10.1007/978-981-19-8303-0_16

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