Aquafeeds
Beta-glucans in barley increase immune response, disease resistance in rainbow trout study
In a study, ground barley containing different levels of beta-glucan was substituted for wheat in experimental diets fed to rainbow trout.
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.
Health & Welfare
Vitamins: Varied factors affect health, disease resistance effects in fish
Technical literature varies in reporting the ability of vitamins to improve fish survival and resistance to disease following infection with pathogens.