Natural immunity of aquarium fish, explained by the fish doctor Gerald Bassleer in the Fish Room(NZ)

During a large interview in The Fish Room, Cameron Scott (NZ) from 28th March 2024, we selected a small part when Dr. G. Bassleer talks about the importance of the (natural) immunity of the fish. We discuss some important issues for fish breeders and Discus keepers.
The complete interview can be watched at: www.youtube.co...
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