Any stressors to the fish, be it handling, water quality, parasites, etc., will leave them open to fungal and bacteria infections. They could be caused by the lice in the pond, see what you can do to cut down on the lice population and see if the fungal infections go away.
Most of the weed cover (water shield ) was killed this summer (some grew back). It probably kept the water a bit cooler with shade and provided cover.
Pond is too big to treat effectively so I guess I'll just monitor. Water temps are much cooler now so water should hold more oxygen now. The fish with fungus are easy to spot compared to the healthy fish so probably looks worse then it is.
Had a bunch of fish delivered last Friday - did see one floater HSB out of the 25 8" fish that were delivered. Other then that it has been rare to see a dead fish in pond.
