What are the common diseases of crispy carp?
The common diseases of crisp fish are enteritis, erythroderma, gill rot and so on.
Crispy Aihua carp is made from common Aihua carp through special food processing. Ensuring the survival rate and preventing fish diseases is one of the key points of food management. In addition to choosing a fish pond near the water source, the water quality is good and the irrigation and drainage are convenient. Before being put into culture, the lagoon must be cleaned and disinfected, grass carp species must be immunized, and four fixed points must be set (timing, positioning and fixed point). In food processing, quality and quantity must be coordinated and created.
Crispy Aihua carp is made from common Aihua carp through special food processing. Ensuring the survival rate and preventing fish diseases is one of the key points of food management. In addition to choosing a fish pond near the water source, the water quality is good and the irrigation and drainage are convenient. Before being put into culture, the lagoon must be cleaned and disinfected, grass carp species must be immunized, and four fixed points must be set (timing, positioning and fixed point). In food processing, quality and quantity must be coordinated and created.
Enteritis: Enteritis is mainly caused by improper diet and bacterial invasion. Symptoms are that sick fish swim alone, play slowly, turn black, lose appetite, and even don't eat.
For the same processing method, you can choose one of the following methods:
1. Feed enteritis spirit 100 Jin of fish10g every day for 3 days.
2. Every 100 kg of fish, 250g of fish Fukang type A was mixed and fed every day for three days.
3. Feed 100 kg cod with sulfadiazine -2.6- dimethoxypyrimidine 2~ 10 g every day for 3~6 days.
Fish's skin is red, its surface is inflamed, and its scales fall off, especially on its sides and abdomen. The basic fin or the whole fin is blocked, the end of the fin rots, and a part of the fin is often destroyed. The soft tissue between fins is often destroyed, making the fins look like brooms, which is called "boring fins"; Most body surface lesions are secondary to aquatic fungal infection; Sometimes the maxilla and the goldfish cap are congested and inflamed, and the golden Tampa "opens the window".
Mycosis, the diseased fish is black, especially the head, swimming slowly, unresponsive to external stimuli, breathing difficulties, loss of appetite; When the illness is serious, the survivors swim alone on the water without eating and lose their response to external stimuli. If the disease progresses slowly and the course of disease is long, the fish will lose weight.
The treatment method is as follows:
1. The following drugs can be selected for external use:
1, the pool is sprayed with bleaching powder (containing 60% available chlorine), and the water body is 0.5-0.6g/m3.
2. The pool is sprayed with trichloroisopropyl acid with available chlorine content of 83% and injected into the water at a rate of 0.3 ~ 0.5g/m3.
3. The whole reservoir is sprayed with chloramine -T (the available chlorine content is 1 1.5- 13%), and 2-2.5g/m3 FOI is put into the water.
4. Fill the whole pond with rhubarb and put 2.5~3.7g/m3 water. Before spraying rhubarb, it must be soaked in 0.3% ammonia (25%28) 12 ~24 hours.
Two, the following drugs can be taken orally:
1, per 100 kg of fish, feed 10 g of enteritis every day for 3 -5 days, or 1-2 days after the dead fish stops.
2. Feed 2~ 10 g sulfanilamide -2.6- dimethoxypyrimidine (*) every day for 4~6 days; Or stop feeding dead fish for a day or two.
3. Feed 5 5- 10/0g sulfa -6- methoxypyrimidine (twice a day) for 4-6 days per100kg fish; Or stop feeding dead fish for a day or two.