individual flow Learn more about individual flow
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Practical culture techniques of herring
1. Herbivorous herring is a carnivorous fish, which mainly feeds on zooplankton in fry and fingerling stage. When the body length is about 15cm, you change your eating habits and begin to eat small screws. With the development of the lower pharyngeal teeth, the crushing function is enhanced, and the young fish feed on molluscs, such as mussels and snails.
2020-11-08 Herring solid used culture techniques diet herring genus -
Discussion on artificial breeding technology of catfish
Materials and methods 1. The original spawning pond and incubation pond of carp and crucian carp and four major domestic fish were used in the experiment site and facility. Fish nests with palm bark after cooking and disinfection are strung together with bamboo poles or ropes, hanging in the upper and middle layers of the spawning pond, and the bottom of the pond is covered with palm bark. two。 The source and cultivation of parent fish are mainly collected from wild fish species in Biliuhe Reservoir in Dalian City. Parent fish are cultivated and fed with freshwater mixed fish and mussel meat. The average weight of male fish is 500.
2019-01-15 -
Technical video of herring culture
Technical video of herring culture
2018-09-08 -
Culture techniques of grouper
Culture techniques of grouper
2018-09-08 -
Beware of damage to the interests of farmers in land transfer
Beware of damage to the interests of farmers in land transfer
2019-02-19 -
Individual propagation and cultivation of orchids
Individual propagation and cultivation of orchids
2019-08-31 -
Is Mandarin Fish a freshwater fish or a sea fish?
Is Mandarin Fish a freshwater fish or a sea fish?
2018-09-07 -
Breeding techniques of parent fish in silverfish culture
1. The source of parent fish. Sexually mature individuals caught in the breeding season can be used for artificial reproduction; sexually mature individuals can be used for artificial reproduction; individuals that are not sexually mature shall not be used for artificial reproduction. two。 The fishing of parent fish. The fishing of large silverfish should be carried out during the peak spawning period. fishing can be started in the north of the Yellow River in early December and in the south of the Yellow River from mid-December. Fishing gear can be Gill net (mesh 2a is 1.5-2.4 cm) or ice
2019-01-16 -
Endocrine inactivation in variant Asthma
Cough variant asthma is often a synonym for this disease. Among the causes of the disease, the first is endocrine disorder, followed by the pollution caused by industrialization, and the third is mental and psychological pressure. Endocrine disorder is associated with variant asthma.
2018-05-13 -
How do individuals handle breeding (farm) communities
Notice of the Ministry of Land and Resources and the Ministry of Agriculture on Relevant Land Use Policies for Promoting Large-scale Livestock and Poultry Breeding (No. 220 [2007] of the Ministry of Land and Resources), which stipulates: (1) Enterprises or individuals applying for large-scale livestock and poultry breeding, whether rural collective economic organizations, farmers or farmers
2020-11-11 individual how to handle breeding farm community land ministry of natural resources -
How to cultivate Chironomus larvae?
How to cultivate Chironomus larvae?
2018-07-23 -
Experience in water quality control of farmed rainbow trout
Water quality condition is an extremely important content, which is directly related to the success and failure of rainbow trout culture and production. Rainbow trout is a fish that likes countercurrent and oxygen. The stimulation of water flow can not only accelerate the metabolism of substances in the body, but also take away excreta. Rainbow
2020-11-08 Culture rainbow trout water quality control experience conditions is -
Land flow Network "big data": put an end to the blind circulation of land
Land flow Network "big data": put an end to the blind circulation of land
2019-02-19 -
Artificial breeding technique of cultured puffer fish in early spring
In recent years, the artificial propagation technology of Fugu obscurus (puffer fish) has become more and more popular, and its seedling production level has also developed rapidly, gradually forming a new type of efficient aquaculture industry. In order to further improve the level of production technology, Bai, Changshu City, Jiangsu Province
2020-11-08 Breeding puffer fish early spring artificial reproduction technology in recent years dark stripes -
How to quickly identify fake fertilizer?
In rural areas, individual unscrupulous dealers enter villages and households under the guise of prizes, deceive farmers with fake and shoddy chemical fertilizers, and affect farmers 'harvest in one season. In order to protect our own legitimate rights and interests, today we will introduce how to quickly identify fake and shoddy chemical fertilizers?
2020-11-09 how to quickly identify fake and shoddy chemical fertilizers in rural areas individually -
Practical culture techniques of herring
Practical culture techniques of herring
2018-07-09 -
How to propagate flowers by grafting?
Grafting is a method of propagating new plants by grafting a part of a plant onto another plant. The branches used for grafting are called scions, the buds used are called buds, the grafted plants are rootstocks, and the seedlings after grafting are grafted seedlings. When the scion germinates new branches and leaves, it indicates that the new individual is formed by cutting off the sprouting branches of the rootstock.
2019-03-07 -
Matters needing attention in introduction and culture of yellow powder insect
Matters needing attention in introduction and culture of yellow powder insect
2018-07-09 -
Key techniques of artificial breeding of abalone
Abalone is a kind of valuable sea treasures. In recent years, artificial culture of abalone in China has developed rapidly, so abalone breeding is very critical, so how to raise abalone artificially and what is the specific operation process? Let's introduce it in detail below. (1) liters
2020-11-08 Breeding abalone artificial breeding key technology -
Drinking Water Management of Pigs
Drinking Water Management of Pigs
2018-07-09