sick crab Learn more about sick crab
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"King of crabs" is the butter crab sick? How much is it per jin? What's the difference between ointment crab and paste crab?
Butter crab is a rare and expensive kind of crab in our country. It is famous for the yellow oil that can be seen in the joints such as crab lid and crab claws. It is known as the king of crabs. It is generally difficult to buy, and some people have not even heard of this kind of crab. Is the butter crab sick? General
2020-11-11 "King of crabs " butter crab yes sick crab general many -
Prevention and treatment of crab molting disorder
Prevention and treatment of crab molting disorder
2018-07-04 -
Why do marine crabs die in large numbers during shelling?
The death of marine crabs in the shelling period shows that a large number of marine crabs die before shelling (failed shelling), and many marine crabs die after shelling (too much physical consumption after shelling, soft shell does not harden, etc.). The causes of death of marine crabs during the shelling period are as follows: (1) the water body is polluted and the dissolved oxygen is low, which affects the shelling and leads to death; (2) the nutrition of marine crabs is unbalanced (lack of calcium, phosphorus, magnesium, zinc, iron, vitamins, etc.). Weak); (3) the use of irritant drugs during the shelling period, there will be some death; (4)
2019-01-15 -
Crab claw orchid is the most easy to get these three diseases in summer. If you are not careful, you even have to throw the pot and collect it in advance.
Crab claw orchid is a green plant that many flower friends like. It belongs to epiphytic succulent plant of cactus family. It has high ornamental value and can be grafted onto other plants. Normal maintenance of crab claw orchid is less sick, but with the coming of summer.
2018-07-03 -
Prevention technology of crab molting
Prevention technology of crab molting
2018-07-04 -
Key points of prevention and treatment of crab disease in June
Key points of prevention and treatment of crab disease in June
2018-07-25 -
Symptoms and treatment of edema disease of crab
In recent years, crabs are highly sought after, their nutritional value is also very rich, protein is extremely high, economic benefits and breeding prospects are very good, more and more farmers begin to breed crabs, but it is inevitable that diseases and water will occur when breeding crabs.
2020-11-11 Crab edema disease symptoms and treatment in recent years crab -
Control techniques of enemy diseases of river crab
Control techniques of enemy diseases of river crab
2018-07-04 -
Prevention and treatment of crab slave disease
Prevention and treatment of crab slave disease
2018-07-04 -
What are the key difficulties in scorpion breeding?
The temperature is difficult to control: the temperature is too high, the crab is easy to get sick, the temperature is too low, and it is easy to eat and not move. Molting stage management: scorpions are prone to cannibalism when molting, which can be used to build scorpion nests for protection and control culture density. Feed source
2020-11-08 Scorpion breeding key difficult where summary temperature -
Culture techniques of hairy crab in high temperature period
Culture techniques of hairy crab in high temperature period
2018-07-04 -
Prevention and treatment of crab tremor disease
Prevention and treatment of crab tremor disease
2018-07-04 -
Water quality regulation technology of crab
Water quality regulation technology of crab
2018-07-04 -
Learn the culture method of crab claw orchid to keep your windowsill flowers blooming!
Hello, welcome to this article, there are a lot of things you don't know! Crab claw orchid is a kind of orchid, but it is easier to feed than other orchids.
2019-02-28 -
What if the latest crab claw orchid loses its leaves?
There must be a reason for the loss of the leaves of the crab claw orchid. The temperature rises and falls so that the plant can not adapt to the change of temperature, the soil becomes barren and dry can not guarantee the continued growth of the plant, and it is possible to water too much or forget to water. Fertilizer damage caused by improper fertilization may occur.
2020-11-10 The latest crab claw orchid drop leaf how to do -
Prevention and control of common diseases of cultured river crab
1. Carapace ulcer 1. Symptoms: the exoskeleton of crab has ulcerative damage, there are many brown spots on the carapace in the early stage, the center of each spot is reddish and concave, the edge of the spot is black in the late stage, the ulcer in the center is deepened, the carapace is invaded into a hole, and the muscle can be seen.
2020-11-08 Aquaculture river crab common disease control one carapace -
What do hermit crabs eat? how to raise hermit crabs
Hermit crab heard this name to know that this kind of crab is living on other animals. Hermit crabs have a special appearance, often with other animal shells on their backs, while showing a few feet in the crawl. Now many people have begun to raise it in captivity, so they are raising it.
2020-11-08 Sojourn crab eat what crab how raise sojourn crab listen this -
Crab claw orchid wilting? Immediately do three steps and one week out of the steel leaf into the winter flower burst pot
Crab claw orchid is a very popular family flower, which usually blossoms in winter and then blooms until the summer of the following year. Therefore, crab claw orchid is a kind of New year flower with a long flowering period. Many families will choose to raise crab claw orchids at home.
2018-09-06 -
What are the criteria for selecting crab larvae? How to breed in spring and winter?
Spring and winter is the key period for crab culture. The selection and release of crab seedlings determine the yield and benefit of year-end culture. During the crab seedling release period, crab farmers should carefully identify the quality of crab seedlings and carefully select high-quality crab seedlings for release. Crab seedlings are related to whether they are fruitful in the later stage
2020-11-11 crab seedlings of selection criteria what spring winter how breeding -
How to get fat for fish, shrimp and crab in autumn
First, change water reasonably and cultivate fertile water. Since May, "bait" and "liquid" have been used to control diseases and insect pests every other month or 20 days. In the transitional period of summer and autumn, more attention should be paid to the regulation of water quality; to prevent the pool water from becoming "turned" or "old", and to maintain the appropriate transparency of fertilizer and water. The transparency of fish ponds is about 25 cm, that of shrimp ponds is 30 to 36 cm, and that of crab ponds is 35 to 40 centimeters. If the transparency of the pond water is less than the normal needs of fish, shrimp and crabs, use quicklime 5 to 7.5 kg per mu in time.
2019-01-16