The results indicated that administration of 0.2% β-glucan to rainbow trout fry only instead of feeding both brood fish and fry could have the same positive effects in promoting the immunity of fry and resistance to Y. ruckeri.
The results indicated that administration of 0.2% β-glucan to rainbow trout fry only instead of feeding both brood fish and fry could have the same positive effects in promoting the immunity of fry and resistance to Y. ruckeri.