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Attention should be paid to prevention and control of enteritis in eel culture in winter
In winter, the decrease of water temperature, the change of beneficial bacteria and the change of dissolved oxygen in water have a negative impact on the survival of eel, resulting in the decline of eel physique, immune function and enteritis, so attention should be paid to prevention and treatment. In winter, there is a big temperature difference between day and night. Yes
2020-11-08 Winter eel aquaculture enteritis disease need attention control enter -
Disease prevention and control techniques of herring
Disease prevention and control techniques of herring
2018-09-08 -
Prevention and treatment of common diseases of loach
Prevention and treatment of common diseases of loach
2018-07-04 -
The harm of heavy metals to fish and its pollution control
The harm of heavy metals to fish and its pollution control
2018-07-24 -
Technical points of culturing duckbill fish
With the continuous development and growth of China's aquaculture industry, various aquaculture industries continue to rise, in which fish culture is still common, but there are many kinds of fish, so the investment cost and profit return of different fish culture are different, and different fish it
2020-11-08 Breeding duck bill fish technology key points along with our country aquaculture industry -
Chemical control technology of beans in greenhouse
Spraying should adhere to the principle of treating buds mainly and kill the larvae in buds during flowering. The best time to spray is when the bud is open from 8 am to 10:00 on a sunny day. Spraying the pod more than 10 cm long after flowering can kill the newly hatched larvae and the low instar larvae that enter the young pods. The medicine can choose kungfu 1500 times solution, or avermectin 150.
2018-09-15 -
Culture technology of swimming crab
Culture technology of swimming crab
2018-07-04 -
Prevention and treatment of common bacterial diseases of farmed fish
The main results are as follows: (1) fulminant hemorrhagic disease, also known as bacterial septicemia, is an infectious disease with the largest number of species, the largest range, the widest epidemic area, the longest epidemic season and the greatest loss in China. The disease is mainly caused by two pathogens: Aeromonas hydrophila and Aeromonas aeruginosa. After the disease, the body surface of the fish is congested, the anus is red and swollen, the abdomen is enlarged, there is a large amount of ascites and hemolysis in the abdominal cavity, and there is no food in the intestine. but there's a lot of mucus. The disease is sometimes accompanied by exophthalmos and upright scales
2019-01-15 -
Method of "bag disinfection" for spring-released fish species
Fish species "bag disinfection" is a new method of fish species disinfection summarized and used by fish farmers in recent years. Its advantages are simple, less expensive, able to reduce fish diseases and high survival rate. The method is as follows: 1. Operation ① Put the nylon bag containing fish species on the edge of the pond (untie the bag mouth), and the water surface in the bag outside the bag is flat.② Put the liquid medicine into the bag and shake it up, observe the fish species activity, and throw it into the pond after disinfection time. 2. Drug preparation and soaking time ①3%-5% salt solution, soaking fish for 20 minutes, can prevent and treat bacterial diseases
2019-01-16 -
Summer Flower of Grass Carp and cultivation of older size Fish species
Summer Flower of Grass Carp and cultivation of older size Fish species
2018-09-08 -
Pathogen control in cold water fish culture
1. Establish a strict quarantine system when introducing and exporting fish eggs and fry, all aquaculture areas should strictly carry out quarantine to prevent and control the occurrence of diseases. Quarantine ponds shall be set up in breeding farms to isolate imported fish species, and only if there are no major diseases can they be temporarily reared. The quarantine pool is generally located at the end of the drain. The length of quarantine time should be determined by the transportation season, water temperature and disease characteristics. It takes 20 days when the average temperature is not less than 12 ℃, and it can be shortened when the water temperature is high, which is determined according to the lower the temperature, the longer the incubation period. If transplant
2019-01-15 -
Disease prevention and control techniques of Pelteobagrus fulvidraco
Disease prevention and control techniques of Pelteobagrus fulvidraco
2018-09-08 -
How much is the price of general flower nutrition solution? How to prepare it? What is the method of use?
Flower nutrient solution is a completely available water solution, 200 times water when in use, 2 kg water per bottle cap, and 4 pots of flowers can be watered. So how much is the price of general flower nutrition solution? How to prepare it? What is the method of use? I learned from Changsha Flower and Bird Market that the current market
2020-11-09 General flowers nutrient solution price more less money how preparation -
[medicinal value of purple golden flower] what are the uses of purple golden flower
![[medicinal value of purple golden flower] what are the uses of purple golden flower](https://www.mysheen.com/pic/20190302/3de3d77c8bdbd13909391c1d552ee2ca.jpg)
[medicinal value of purple golden flower] what are the uses of purple golden flower
2019-03-02 -
Drinking Water Management of Pigs
Drinking Water Management of Pigs
2018-07-09 -
How to raise potted cyclamen?
How to raise potted cyclamen?
2018-07-01 -
Control methods of parasitic diseases of ricefield eel
Control methods of parasitic diseases of ricefield eel
2018-07-04 -
Several key periods of Pelteobagrus fulvidraco culture
1. parent fish cultivation period 1. Parent fish are collected as parent fish, which are required to be bright, full, strong, disease-free and injury-free, aged above 2 winter age, male above 14.8cm, female above l1.7cm, and the ratio of female to male is 1.5. In
2020-11-08 Culture Pelteobagrus fulvidraco several key period one parent fish -
How to prevent and treat ulcerative enteritis in farmed quails
(l) epidemic characteristics: quail ulcerative enteritis is caused by Clostridium quail, which is one of the most serious diseases to quails, so it is also known as quail disease. It is an acute infectious disease characterized by dysentery and intestinal ulcers. The disease is transmitted through the digestive tract.
2020-11-08 Breeding quail how prevention ulcerative enteritis epidemic characteristics -
Culture technique of big-mouth catfish
Culture technique of big-mouth catfish
2018-09-08