Li Xiuli is a professional fish farmer in Cangpo Village, Yantou Town. This year, the area of ​​fish ponds in Tiantang is 18 mu, which includes farmed fish, grass carp, white pelicans, and flower pods. There are more than 6,000 kilograms of pond fish. In the spring of this year, fish disease has frequently occurred. Although many drugs have been used, more than 1,000 kilograms of dead fish are still in serious damage.

Recently, the author went to the household to understand the situation of fish farming. He found that the fish was seriously damaged and analyzed the reasons. There are mainly four points.

I. Many times of catching of adult fish, causing more skin damage and stress, resulting in multiple fish diseases

A total of 4 fish ponds were refurbished, 1 in Datang, with an area of ​​16 mu, and another 3, with an area of ​​2 mu. In order to sell, he saved the fish to be kept in a small pond in order to be listed for sale. Datang and Xiaotang are separated by Tianshao. Since the quality of the ridge is not good, frequent leaks can escape the fish. As a result, the adult fish in Xiaotang escapes into Datang. To sell fish, they have to re-acquire the fish in Datang. As a result, there have been many cases. As a result, some fish have been caught repeatedly and there has been frequent occurrence of erythroderma and multiple hydromycosis, which has led to difficulties in control.

Second, during the period of high incidence of fish disease, excessive feeding of distiller's grains affects the efficacy of medical treatment.

According to the survey, the raising households used distiller's grains to feed the fish several times in May and June. The amount was tens of thousands of catties. Due to the acidity of distiller's grains, the fishpond water was acidic and the acidity of pond water was increased. In this case, the effect of medication was reduced. It is unfavorable to prevent fish diseases.

Three, usually do not vote bait, when the disease is not scientific

According to his son’s introduction, his father often thought about medication when he had serious fish diseases. When he was taking drugs, he was very casual. He did not follow the treatment schedule. Whenever he had a good fish disease, he would use medication. After a few days, the fish disease relapsed. For treatment, because medication is not timely, it will inevitably affect the treatment effect.

Fourth, prevention of disease awareness, do not listen to his son advised

Both the father and the son are specialized fish farmers in the local area, but they breed their own fish, and are responsible for their own profits and losses. Li Chunkang, the son of Xiu Lie, is a model farmer of fish farming in the county. He has a wealth of experience in disease prevention and control of fish farming. He is also the county fish disease monitoring and reporting point. It is reasonable to say that his father's fish pond disease should not be so serious because he believes that the time of fish farming is long. There are many experiences, and the son's persuasion is considered to be a whisper, and correct opinions are not adopted. According to survey statistics, the density of Chunkang fish ponds is high and there are more than 4,000 kilograms of fish. This year, more than 200 kilograms of dead fish were found. The area of ​​cultivating fish ponds was more than that of pure kang, but the breeding density was lower than that of pure kangtang, and the water quality was better than that of pure kangtang. Since this year, more than 1,000 kilograms of dead fish have been lost. Kang 4 times more. The analysis is based on the fact that Hong Kong always values ​​the prevention and treatment of fish diseases, and measures are appropriate. Due to the shallowness of fish ponds and the high fish density, although more than 200 kilograms of fish have been killed, fish disease losses have been reduced to very low levels. The cultivating ponds and ponds, the conditions of fish farming are better than their sons. Because of the lack of breeding and management measures, the prevention of fish disease prevention and control, and improper prevention and control methods, it is inevitable that there will be a large loss of fish disease.

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