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What are the respiratory organs of mussel?
What are the respiratory organs of mussel?
2018-09-08 -
Prevention and treatment of Gill rot disease of cultured puffer fish
[symptoms of globefish Gill rot disease] the diseased puffer fish moves slowly, blackens the body, has difficulty breathing, swims slowly in the upper layer of the water or by the pool, and loses appetite. When the Gill cover is opened, the increase of Gill filament mucus can be seen with the naked eye, and in severe cases, the end of the Gill filament is rotten and defected. some of the Gill filaments are gray and white.
2020-11-08 Breeding puffer fish rotten Gill disease prevention and control diseased -
When Koi is sick, we need to know the cause and treatment of Gill rot disease of Carp.
Symptoms of Gill disease (1) commonly known as open skylight Gill filament rot with mud, severe Gill filament end cartilage exposed, Gill cover medial epidermis hyperemia, the central epidermis is often corroded into a round transparent hole. (2) Gill mildew caused by fungi, the gills of diseased fish are pale.
2019-05-21 -
How much is a kilo of cocoons?
How much is a kilo of cocoons?
2019-02-18 -
Which pesticides can control corn borer?
Which pesticides can control corn borer? Please introduce corn borer in detail, you can refer to the following methods to control corn borer: in the trumpet mouth of corn, the dosage is 1 kg / mu. The prevention and control methods of drug irrigation in corn ear stage are as follows: 25% insecticidal double water agent 500 times.
2018-09-08 -
Bonsai skills: all kinds of knowledge related to panza
To play bonsai, if you want to shape well, panza is indispensable. Panza is the most basic and important part of bonsai. Without panza, no big tree bonsai can be formed. Of course, if you say you just don't stab, just a pair of scissors can...
2018-05-27 -
What is the price of saffron in 2019? What does it do?
Saffron is a common traditional Chinese medicine and can also be used as a food spice. People often use it to soak in water and wine for health care. What is the price of saffron in 2019? What are the effects of saffron? See below for details. I. Collection in 2019
2020-11-09 in 2019 tibetan red flower price is how much has what efficacy -
The gills of the fish are black, red and rotten, which should be paid attention to. If you are not careful, you will infect other fish.
Gill rot is a common and frequently-occurring disease caused by Flavobacterium columnarum, which is harmful to goldfish and koi. According to foreign reports, dozens of species of fish can occur, such as Salmonidae, Cyprinidae, substomatae, Formosidae, Cyprinidae, Cyprinidae and so on.
2018-05-19 -
Control techniques of maize diseases and insect pests in ear stage during key period of yield formation
Control techniques of maize diseases and insect pests in ear stage during key period of yield formation
2018-10-29 -
Disease prevention and control techniques of herring
Disease prevention and control techniques of herring
2018-09-08 -
How to reproduce saffron, how to reproduce saffron / asexual reproduction
Saffron is a common plant in people's life, and it is a kind of flower that many plants like to cultivate. How to reproduce saffron is also an issue that many people are concerned about. In fact, the reproduction of saffron is based on the location, and the planting methods are different in different places.
2018-12-13 -
Prevention and control of ginseng infestation
The insect is known as the golden needle worm, also known as the iron filament, the golden tooth rake, the yellow caterpillar and so on, and its adult is also called the kowtow worm. It belongs to Coleoptera, Conchidae. The harm to ginseng is the most serious. The general soil begins to move after thawing, mainly harming the underground part of ginseng rhizome by larvae, generally from ginseng root to 10 cm layer on the surface.
2018-07-19 -
Eat carbon nanomaterials, baby silkworms spit out super silk.
Eat carbon nanomaterials, baby silkworms spit out super silk.
2019-02-18 -
Successful breeding of new silkworm varieties in Hubei
The new silkworm variety "E Bombyx mori No. 3 and E Silkworm No. 4" selected by the Institute of Economic crops of Hubei Academy of Agricultural Sciences (zip code: 430070) won the first prize for scientific and technological progress in Hubei Province not long ago. Compared with Huanghe × Zhaoxia, the main autumn variety in Hubei Province, the strong autumn variety E Silkworm No. 3 has strong resistance, the unified life rate of insect and pupa is more than 92%, and the yield is high, with a cocoon yield of 33.95kg, an increase of 9.94%. The cocoon shell rate is 24.83%, and the length of a cocoon is 1150 meters.
2019-01-16 -
What about the bald tip of corn?
What about the bald tip of corn?
2019-09-04 -
Control of wheat yellow plague of cultured grass carp
Barley yellow and White Dew's heart are two key seasons for the high incidence of grass carp disease. At present, with the gradual increase of air temperature and water temperature, grass carp has also entered the season of high incidence of disease. Grass carp wheat yellow blast refers to the mixture of grass carp Gill rot disease and red skin disease before and after barley yellow.
2020-11-08 Culture grass carp wheat yellow plague control barley yellow White Dew heart -
How to grow saffron? Planting technique of saffron
Saffron, also known as saffron, saffron, its stigma is a valuable traditional Chinese medicine, with sedative, expectorant effect, the main treatment of yellow gallbladder, hepatosplenomegaly, menstruation, fever and other diseases. Saffron is widely cultivated in all parts of China. The following is an introduction to the planting technology of saffron, which is only for the majority of growers' reference.
2018-10-16 -
Methods of artificial pollination of corn and matters needing attention
Methods of artificial pollination of corn and matters needing attention
2019-08-23 -
Will the rich tree blossom?
Will the rich tree blossom?
2018-07-06 -
Control methods of five common diseases of crayfish
Control methods of five common diseases of crayfish
2018-07-14