Prevention and treatment of vitamin deficiency in fish

Vitamin A: lack of vitamin An in fish can cause poor vision, dry eye disease, night blindness, skin and eye bleeding, epithelial tissue keratosis, bleeding at the base of the fin, Gill deformity, Gill valve often linked together, tip hypertrophy, abnormal bone development, loss of appetite, slow growth. In view of these symptoms, it is necessary to increase the content of vitamin An in fishing feed, combined with the use of vitamin mixtures. If raising herbivorous and omnivorous fish, you can add and match green feed, carrots and yellow corn in the feed.

Vitamin B: fish lacking vitamin B1 do not eat, fish muscle atrophy, convulsion, edema, slow growth, loss of balance; fish lacking vitamin B2 do not eat, slow growth, eye bleeding, lens turbidity, abnormal swimming, anemia Fish lacking vitamin B6 do not eat, nervous system disorder, epilepsy, anemia, abdominal edema, shortness of breath, soft and deformed operculum, exophthalmos, abnormal swimming, rotational movement; fish lacking vitamin B12, loss of appetite, decreased hemoglobin, red blood cell fracture, pelvic blood, skin, eyes and fins are often congested, slow movement, movement disorders, body color darkening, increased mortality. Feed formulations need to be adjusted, mixed vitamins added to fish feed or symptomatic increase in the amount of B vitamins. At the same time, we should feed more feed rich in vitamin B, such as green fodder, beer yeast, fish meal, rice bran, cake, wheat bran, @ # @ 245mm powder, meat and bone meal and so on.