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


Health & Welfare

Ultrasound helps stage sturgeons for caviar production

Biopsies and polarization index measurements of mature sturgeons are highly variable and not always accurate in indicating egg maturity. Ultrasonic imaging offers a simple, less time-consuming and reliable alternative for evaluating sturgeons’ sex and oocyte maturity. 

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Health & Welfare

Ultrasound tested in channel catfish production systems

Ultrasound may serve as an alternative to chemical treatments in channel catfish production. In studies, controlled application of ultrasound did not significantly affect catfish feed consumption and weight gain.