Evaluation of non-lethal method for monitoring sexual maturation in farmed cod
The main objective of the project is to document whether the degree of sexual maturation in visually identifiable categories of dead farmed cod corresponds to — and develops in line with — the maturation level of live fish.
Cod farmers are required to monitor sexual maturation in fish entering their second winter/spring at sea. Currently, this is done by culling 20 fish from each cage every two weeks to assess maturation status. To reduce labour demands, economic losses, and animal welfare impacts — and to streamline the monitoring process — the project aims to investigate whether different categories of dead fish can serve as indicators or supplementary tools for monitoring sexual maturation.
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