Prawn and their lack of immune memory………hence the rise of appropriate bio-security measures.

Nicely explained here – which is why immunity development in shrimp farming has concentrated on immediate via nutrition methods – vaccines do not work.

Coronavirus: Lesson 7 from the shrimp industry – stress reduction

On shrimp and on you the farmer.

Art not sceince. Trust instincts. Be at one with your charges. Chill.

Coronavirus: Lesson 6 from the shrimp industry – density

The higher the density the higher the risks the higher the need to get all other lessons previously mentioned correct…