serve as a reservoir for fish disease organisms that could enter the hatchery and cause major losses. Natural predators of catfish fry, such as wild fish, insects, and other invertebrates, can also enter a hatchery and cause losses of fry.
serve as a reservoir for fish disease organisms that could enter the hatchery and cause major losses. Natural predators of catfish fry, such as wild fish, insects, and other invertebrates, can also enter a hatchery and cause losses of ทอด