California perch as a high economic value of the fish, with strong disease resistance, rapid growth, temperature tolerance, but with the california perch breeding area increases, as well as changes in the breeding environment, California perch disease is increasing, the harm to California perch is also large, the following to introduce to you some of the California perch farming several common disease prevention.
1. Wheelworm disease
Wheel worm disease on California perch fry, California perch suffering from wheel worm disease will swim alone in the pond, slow action, there will be a phenomenon of flipping and turning, wheel worms parasitize on the gills of fish, fish gills mucus more, because wheel worms are parasitic protozoal parasites, many insecticides on wheel worms The effect is not obvious, so wheel worms must be prevention-oriented, regularly add car static to the feed, car static can paralyze the parasite nervous system, make the insect body lose vitality, from where to effectively treat and prevent wheel worms.
2. Enteritis
California perch swimming solitary, swimming slowly, body color blackening, loss of appetite, red and swollen anus, yellow mucus on the abdomen, dissecting the abdomen found jejunum, empty stomach, thin elasticity of the intestinal wall is poor. Regular mixing of California perch enteritis with shrimp intestinal hepatine can repair the intestinal mucosa, enhance intestinal elasticity, improve intestinal digestion and absorption function, and enhance the body's immunity.
3. Flower liver
There are no obvious symptoms on the surface of the liver of the California perch, and the anatomy liver color is reddish-white and yellowish-red. When the flower liver is serious, it is easy to cause the immunity of California perch to decline, and the addition of chivalrous liver and gallbladder can be added to the feed regularly to effectively prevent the flower liver.
4. Nocardiosis
Nocardiosis has the characteristics of long onset cycle and difficult treatment, nocardiosis can be seen in the body surface muscle ulceration, ulcer size and rules are not the same, dissect the fish body, observe the California perch liver or fish gills have white nodules. If the California perch suffers from Nocardiosis, it can be treated with Jun Wuying + Independent Qing + Chi Hepatic Yi Bile, extravading povidone iodine for treatment, and finally prevention is the mainstay.