News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

Roger W. Doyle

Health & Welfare

‘Big picture’ connects shrimp disease, inbreeding

Disease problems on shrimp farms may be partly driven by an interaction between management practices that cause inbreeding in small hatcheries and the amplification by inbreeding of susceptibility to disease and environmental stresses. 

Health & Welfare

Measuring real-world benefits of breeding programs

In general, benefits from genetic increases in growth rate result from better farm environments. Breeding programs should focus selection on genes expressed favorably in the environment that most affect farm profit.