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What are the common animal diseases of type I, II and III, respectively?
Animal diseases refer to animal infectious diseases and parasitic diseases. According to the degree of harm of animal diseases to aquaculture production and human health, the animal diseases managed by the Law of the people's Republic of China on Animal epidemic Prevention are divided into the following three categories: class I diseases, which refer to human beings.
2020-11-11 Common one two three types animals epidemic diseases respectively including -
Symptoms of rice virus disease
The damaged plants were dwarfed and the leaves changed color, their growth declined, and the leaves were orange to yellow in color. The disease of indica rice is mostly orange or slightly reddish, also known as red leaf disease. The young leaves are mottled and the old ones are mottled. At present, 11 kinds of rice virus diseases (including two kinds of mycoplasmic diseases) have been found in China. they are common dwarf disease, yellow leaf disease, striped leaf blight, black streak dwarf disease, Verticillium wilt, grass dwarf disease, cluster dwarf disease, sawtooth leaf dwarf disease, orange leaf disease, Donggler disease and tumor dwarf disease. Rice common dwarf disease and yellow leaf disease are harmful in southern China.
2019-01-16 -
Three common diseases of banana: black spot disease/thin stripe disease/dwarf disease
Banana common diseases small black spot disease, thin stripe disease, atrophy disease and prevention methods introduced, let's take a look at it! Pathogen of microdot disease: The optimum temperature for mycelium growth is 25℃, for spore formation is 13~29℃, and for spore germination is 13~33℃.
2019-05-25 banana common three species disease small black spot thin strip atrophy -
Koi are lying at the bottom of the fish tank, koi disease red skin disease-skin scale disease-koi disease and
Red skin disease is also called hemorrhagic putrefaction disease, red skin plague, skin scraping plague, fin moth disease. Symptoms of fish scale shedding (and skin inflammation of the difference between congestive disease), especially on both sides of the fish body and the abdomen is most obvious. Sick fish skin local or mostly inflamed congestion, dorsal fin, caudal fin and other fin base...
2019-05-21 -
What should I do if Ponkan gets Huanglong disease?
What should I do if Ponkan gets Huanglong disease?
2018-07-24 -
Identification and Control of Citrus Huanglong Disease
1. The typical symptom of the diseased tree in the initial stage is the yellowing of leaves with 1-2 or more branches in the thick green crown. There are two types of symptoms in this yellowing branch, one is uniform yellowing of the whole leaf, and the other is a piece of yellow and green, which is called mottled type. The total of these two types of leaves.
2018-09-15 -
mosaic disease of common diseases of Canna plantain
Mosaic disease is one of the most common diseases in canna. The incidence rate of canna cultivated in East China and South China is higher than that in North China. What should we do once canna is infected with this disease? Specific solutions are as follows
2018-07-01 -
Common diseases of flowers and their control
Common diseases of flowers and their control
2019-08-02 -
Control methods of Maize Diseases and insect pests
Control methods of Maize Diseases and insect pests
2019-03-04 -
Garlic Diseases and their Integrated Control techniques
In recent years, with the expansion of garlic planting area, the tillage system and cultivation environment are constantly changing, the disease resistance of garlic plants is also decreasing year by year, and the losses caused by garlic diseases are increasing. Especially with the continuous emergence of new diseases, some diseases even show a sharp upward trend, which aggravates the harm to garlic. According to investigation and analysis, the general loss rate of garlic diseases to garlic is 20%, 30%, serious years and plots can reach more than 50%, or even higher. For example, according to the investigation in 1993, garlic rust was seriously affected by garlic field disease in Zhongmou County.
2019-01-16 -
Occurrence and control of epidemic diseases in pigs at different feeding stages
The incidence of swine fever, swine erysipelas and porcine lung disease are collectively referred to as the three major infectious diseases of pigs. In China, the total mortality rate of infected pigs accounts for about 8% of the total, and the mortality rate of pigs in areas with better prevention and control is also 5%. Therefore, the level of prevention and control of pig disease should be improved. If the total mortality rate of pigs can be reduced by one percentage point every year, which is equivalent to an increase of 5 million pigs, what a great wealth it is. According to relevant statistics, among the causes of death of pigs,
2019-01-16 -
Common Tea Diseases in China
There are more than 100 kinds of recorded tea plant diseases, and more than 30 kinds of common diseases. 1. Nearly 40 leaf diseases have been recorded. Tea leaf diseases mainly include: tea cake disease, which occurs seriously in high mountain tea gardens in southwest tea areas; tea white star disease and tea round red star disease, which are seriously affected in high mountain tea gardens in east and southwest provinces under low temperature and high humidity conditions; tea bud blight is one of the common and important diseases in zhejiang and hunan provinces. The diseases of mature leaves and old leaves include tea cloud leaf blight, tea ring spot, tea anthracnose and tea brown
2019-01-16 -
Control Methods of Potato Diseases
1. Late blight (1) Conditions of incidence. Potato late blight, also known as blight or potato plague, is a devastating disease of potato. In low-lying, poor drainage, field moisture, or excessive nitrogen application of the plot, the disease is more serious. When the temperature and humidity are appropriate, late blight spreads rapidly and the diseased plants die in pieces. (b) Symptoms. At first, round or irregular dark green spots appeared on the tip and edge of the diseased leaves, which became brown large spots after expansion. When the humidity was high, a circle grew at the junction of the diseased part and healthy part.
2019-01-16 -
Causes of Rice Bad Seedling Disease
Rice evil seedling disease is a major disease in the process of rice planting, the emergence of the disease can often lead to a 10-20% reduction in rice yield, and in serious cases, it can be reduced by half, so it is urgent to find the cause and prevent it. What is the cause of rice evil seedling disease? How to prevent and cure?
2020-11-08 Rice evil seedling disease cause rice yes -
Management of Coconut Diseases and insect pests: introduction to Coal Diseases, Coal Diseases and Disease Ecology of Coconut Diseases
What is the coal disease of coconut? How is the ecology of the disease? Do you want to know. Symptoms: black soot-like hyphae are produced on the lower or upper surface of the leaf, and in serious cases, a whole piece of black cover will be formed to cover the leaf, seriously affecting the normal growth of the leaf.
2019-01-19 Coconuts diseases and insect pests management diseases coal diseases and -
Thoughts on diagnosis of Pig Disease
Thoughts on diagnosis of Pig Disease
2018-07-10 -
Common diseases and prevention of grouper
Common diseases and prevention of grouper
2018-09-25 -
Occurrence and control of epidemic diseases in different feeding stages of pigs
The incidence of swine fever, swine erysipelas and porcine lung disease are collectively referred to as the three major infectious diseases of pigs. In China, the total mortality rate of infected pigs accounts for about 8% of the total, and the mortality rate of pigs in areas with better prevention and control is also 5%. Therefore, the level of prevention and control of pig disease should be improved. If the total mortality rate of pigs can be reduced by one percentage point every year, which is equivalent to an increase of 5 million pigs, what a great wealth it is. According to the relevant statistics,
2019-01-16 -
Why is fish disease difficult to treat? Characteristics of fish disease
Why is fish disease difficult to treat? Characteristics of fish disease
2019-08-26 -
Prevention and treatment of common diseases of primroses
Primroses sowing from that moment, not only to do a good job of maintenance and management, disease and pest prevention is also one of the keys to raising primroses, once there is a small problem in a certain procedure, primroses will also play a small mood, so that you are busy without a clue. So what are the common diseases and pests of primroses in the process of culture?
2018-07-01