Which is NOT a common biosecurity method at aquaculture facilities?

In the context of biosecurity measures at aquaculture facilities, the primary goal is to prevent the introduction and spread of pathogens and diseases among aquatic species. Common biosecurity methods are designed to minimize contamination and create barriers against potential sources of infection.

Footbaths are widely utilized to disinfect footwear before entering sensitive areas, helping to eliminate dirt and pathogens carried on shoes. Hand washing stations are essential in ensuring that personnel can effectively clean their hands, further reducing the chance of transferring harmful microbes or substances. Net disinfection is also a common practice, as gear used in aquaculture, like nets, can carry pathogens that could harm fish populations.

While hair nets can be part of hygiene protocols in specific settings to prevent contamination from human hair, they are generally less critical in aquaculture facilities compared to the other methods mentioned. Therefore, while they contribute to overall cleanliness, they do not play the same vital role in biosecurity as footbaths, hand washing stations, and net disinfection do. This context highlights that the use of hair nets is not standard practice specifically aimed at preventing disease spread in aquaculture settings.