On 14th March 2025 we participated in the fourth Workshop within the bilateral project BYCZ-SPF00088 Fish Welfare Education - Knowledge Transfer and Innovation in Fisheries Science, which is supported by the Small Project Fund of the Interreg Bavaria-Czech Republic Programme. The workshop programme was this time focused on the issue of fish welfare in pre-spawning preparation and selection of broodstock. The fish on which the issues were demonstrated was the grayling (Thymallus thymallus), which usually spawns in mid-April. The Czech side presented suitable methods for assessing the quality of gametes under hatchery operating conditions. In the afternoon, there was a practical demonstration of manipulation of brood fish, their sexing and assessment of their readiness for spawning.
