Y'all, a lot of farm raised tilapia is fed chicken manure or pellets made with manure. Look up some Aquaculture setups where chickens poop into a pond to feed fish, the fish feed water to fertilize plants.

Typically, pathogens don't jump and survive between species like this. This is a zero percent news item other than "why use inefficient chickens for the protein input?" Black soldier fly large eating compost and food waste should be the go-to option.