Disease symptoms of brocade carp, etiology and prevention of white head and mouth of brocade carp
White head and white mouth disease can also be caused by a large number of rotifers.
The diseased fish move slowly, have a slightly dark body, and turn white on the top of the head and around the mouth. Take tissue from the focus and examine it under a microscope, you can see clusters of parasitic floral bacteria constantly swinging, or groups of rotifers can be seen. The pigment of the skin around the forehead and mouth of the diseased fish disappears and appears white.
When the disease is serious, festering occurs around the head and mouth, and some fish have congestion in the head. The diseased fish, thin and black, floated along the shore in groups, and soon a large number of deaths occurred.
Usually, the epidemic period of the disease is in April and July of each year. Fish fry under the pond about a week or so prone to this disease. Fish fry are raised in the pond for a period of time (15 ~ 20 days). If the fish fry are not divided into ponds in time, the disease is easy to occur.
(1) thoroughly clean and disinfect the pond and do not put in unfermented fertilizer.
(2) the density of fish fry should be moderate, and the fish fry should be raised in different ponds in time to ensure that the fish fry have sufficient palatable bait.
(3) the treatment was sprinkled with chlorine dioxide in the whole pool for 2 days.
(4) the treatment was sprinkled with bleach in the whole pool.
(5) the gallnut used is mashed, soaked in hot water and sprinkled in the whole pool with dregs and juice.
(6) mix well with 1520 dry grams of quicklime and water per mu and sprinkle it in the whole pool.
(7) the diseased fish pond was sprinkled with furazolidone.
(8) the sick fish pond, sprinkle "strong chlorine essence", once a day, for two days.
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What about the new koi lying in the tank? the causes of the white problems of the koi and its treatment.
White disease, skin mildew disease generally occurs in the low water temperature environment below 20 ℃, and is most prevalent in early spring and late winter. Water mold has no strict selectivity to the host, and it is easy to be infected from fish eggs to adult fish. The fish in the overwintering pond and the thin water body in spring.
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Culture methods and misunderstandings of brocade carp, etiology and control of tail rot disease of brocade carp
Brocade carp rotting tail disease and burrowing disease get sick through skin infection after caudal fin injury. In the early stage of the disease, there are yellow or yellow-white sticky substances on the outer edge and caudal stalk of the fin, then congestion, inflammation and decay at the caudal fin and caudal stalk, and in severe cases, the caudal fin rots and ulcers.
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