Courtyard farming should adhere to prevention, timely diagnosis and symptomatic medication. Especially in winter and spring, due to the lack of exercise for a long time in winter, the goldfish is weak, and it is the easiest to lurk at this time.

In the early spring of each year, we should often bask in the sun to enhance the physique of goldfish. Disinfection of ornamental fish ponds and breeding tools. In combination with cleaning the pool and changing water, use concentrated chlorine solution to splash the pool wall and bottom, or use 3% Nacl solution or 20mg/LKMnO4 solution to take a medicinal bath in a small water body, disinfect it for 20-30 minutes, then rinse it with clean water for later use, and regularly disinfect tools such as cages and net paper with disinfectant.

In the epidemic season of fish diseases, on the basis of spraying drugs to disinfect the whole pool, bait is regularly fed. And pay special attention to prevent the injury of cats, rats, frogs and related waterfowl.

Extended data:

Goldfish are gentle, with a life span of about 6 years, and some are longer. Goldfish is an omnivorous and carnivorous freshwater fish with developed throat and teeth, which can swallow hard bait.

Goldfish has a strong adaptability to water temperature, but it can't adapt to the drastic change of temperature. Its suitable water temperature is 18-26℃. Too high or too low temperature will affect the feeding, growth and reproduction of goldfish.

Goldfish like weak alkaline water, and the pH value of water is 7.5-8.0. At the turn of spring and summer in northern China, the water temperature began to rise, and goldfish also entered the breeding period. During this period, the water temperature is controlled at about 20℃, which is beneficial to the spawning and hatching of goldfish.

References:

Baidu encyclopedia-goldfish