Fish diseases and treatment
A large number of farmers are joining fish farming in India. Especially new youth are coming in this field. The government is also encouraging farmers to promote fish production and is also running many schemes. Pradhan Mantri Matsya Sampada Yojana is one of those schemes. In such a situation, it becomes very important for fish farmers to know which diseases occur in fish and what are the measures to prevent them.
Symptoms: Brownish clusters of whitish color appear on the body like cotton balls.
Treatment: Dip for 1-5 minutes in a solution of 1:1000 potassium in 3% common salt solution or 1:2000 concentration solution of copper sulphate and then put it in the pond. In small ponds, put one gram malachite green in 5-10 m of water. This is an effective treatment.
Symptoms: The diseased fish tries to drink air on the upper surface due to rotting of the gills, suffocation. Opens and closes mouth repeatedly.
Treatment: Prevention of pollution, raising the level of water in the pond with fresh water or using 50-100 kg/ha of lime or bathing in 3-5 percent salt solution or copper at the rate of 8 kg/ha in 0.5 m depth ponds. Using sulfate.
fish and telerog
Symptoms: In the initial stage, whitishness on the edges of the wings, later rotting of the wings and tail.
Treatment: Sanitation of water: Mixing folic acid with food, Immequil drug 10 ml per 100 liters of water, mix the diseased fish in solution (2-3 times) for 24 hours, Acriflavin 1% in one thousand liters of water at the rate of 100 ml. After mixing it, the fish should be kept in the solution for 30 minutes.
Symptoms: Lesions are found on the head, body and tail.
Treatment: Use of potash in the pond at the rate of 5 mg/l, lime 600 kg/ha (3 times at an interval of seven days), sifex solution in 1 liter of water and put it in the pond.
Symptoms: Water accumulation in the internal organs and abdomen
Treatment: Proper arrangement of clean water and food, lime at the rate of 100 kg/ha, after 15 days (2-3 times) should be put in the pond.
Protozoan disease “Costasis”
Symptoms: Small spots on the body and gills
Treatment: 10 minutes in 50 ppm formalin solution or 10 minutes in 1:500 glacial acetic acid solution
Catla’s eye disease
Symptoms: The first symptom is redness of the cornea in the eyes, eventually drooping of the eyes, discoloration of the gills, etc.
Treatment: Use of Potash 2-3 ppm, Terramycin 70-80 mg per kg of fish weight (up to 10 days), Streptomycin at 25 mg per kg body weight. Injection.
Ichthyopathy (itching or whitish spots)
Symptoms: Excessive mucous discharge, appearance of many small white spots on the body
Treatment: Every day for 7-10 days, use of 200 ppm Fargillon solution, bathing hours, for more than 7 days, use of 2% ordinary solution,
Trichodinosis and schizophrenia
Symptoms: Difficulty in respiration, restless rubbing of the body on the banks of the pond, excessive synovial discharge on the skin and gills, all over the body
Treatment: In 2-3% common salt solution (up to 5-10 minutes), 10 ppm copper sulphate solution, 20-25 ppm formalin.
Symptoms: Mustard rash on skin, pectoralis, gills and upperculum
Treatment: In 0.1 ppm formalin, dip 1-2 equal white cells in 50 ppm formalin, 15-25 ppm formalin in the pond every other day, till the disease is over, more sick fish should be killed and the fish should be shifted to another pond. should be transferred to.
Symptoms: Excessive mucus, discharge, difficulty in breathing and excitement
Treatment: Bathing in 2-3% common salt 50 ppm formalin solution for 5-10 minutes or 1:500 solution of glacial acetic acid (up to 10 minutes)
Dactylogarylosis and Gyrodactylosis (Trematodes)
Symptoms: The outbreak occurs on the gills and skin and black colored cells in the body.
Treatment: Give a bath in a solution of 500 ppm potash O (Gkdvad) for 5 minutes alternately in 1:2000, acetic acid and sodium chloride 2% solution.
Diplostomiasis or black spot disease
Symptoms: Dark spots on the body
Treatment: The life cycle of the parasite should be broken. snares or birds
Symptoms: The abdomen becomes swollen due to the accumulation of worms.
Treatment: The life cycle of the parasite should be broken, for this, the entry of organisms associated with the life cycle, snails or birds, is prohibited in the pond, immersion in 1:500 phylline solution for 10 minutes, use of 1-3 percent salt solution.
Symptoms: Weak deformed appearance, red small spots on the body, etc.
Treatment: Spraying of lime at the rate of 0.1-0.2 g/litre, two to three times in a fortnight is best after removing the pond water for 24 hours. Dissolve 35 ml Cypermethin drug in 100 liters of water and use it thrice in a pond at the rate of 1 hectare at an interval of 5-5 days.
laryniasis (anchor worm disease) fish
Symptoms: Anemia, weakness and spots on the body in fishes
Treatment: Use of 1 ppm gamexin due to mild disease infection or use of bromos 50 in the pond at the rate of 0.12 ppm
Other Diseases EUS (Appropriate) Ulcerative Syndrome
Symptoms: In the initial stage, red spots are found on the body of the fish, which gradually darken and start rotting. Ulcers are also found on the stomach, head and tail of fishes. In the end the fish dies.
Treatment: 600 kg lime per hectare effective treatment. Cephex / BKC 1 liter per hectare is also effective.
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