Surface environment modification is a potential parasite control strategy in Atlantic salmon sea-cage farming. For instance. a temporary low salinity surface layer in commercial-scale snorkel sea-cages has coincided with reduced amoebic gill disease (AGD) levels after an outbreak. We tested if a permanent freshwater (FW) surface layer in snorkel sea-cages would lower AGD and salmon li... https://foldlyers.shop/product-category/usb-type-c-14-dock/