fish juvenile Learn more about fish juvenile
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Selection of juvenile fish and management methods of adult fish in brocade carp culture
1. Selection of juvenile fish after hatching, the larvae are raised for 20 to 30 days, and when the fish grows to about 3 cm, they begin to select, eliminate the inferior and retain the good, and strengthen the growth rate, so as to achieve the purpose of protecting the characters. The selection of juvenile fish is the most important to obtain high quality koi in the process of breeding.
2020-11-08 Culture koi juvenile selection and adult fish breeding management -
The method of selecting koi in that year, and the skills of beginners in buying koi
How does a novice choose a good koi? The following editor would like to share with you the experience in the selection and purchase of brocade carp. What special attention should be paid to the purchase of brocade carp? I hope it will be helpful to you all. ...
2019-05-21 -
Screening technique of juvenile fish in brocade carp culture
When brocade carp juveniles grow to a certain stage, they must be screened from batch populations. In order to do a good job in screening, the area of brocade carp juvenile pond should be about 2000 square meters (3.0mu). Since the screening work is in the middle of summer, it should be carried out in the morning at the latest.
2020-11-08 Culture koi juvenile screening technology long -
Is Sturgeon a freshwater fish or a marine fish?
Sturgeon is a Sturgeon-shaped fish, its meat is thick and soft, delicious, nutritious, fish eggs can be processed into caviar, and foie gras, truffles are known as the world's three major delicacies. So, is Sturgeon a freshwater fish or a sea fish? Is Sturgeon a freshwater fish or a marine fish? Sturgeon
2020-11-11 Sturgeon yes freshwater fish or sea fish purpose -
Skills of selecting juvenile fish in brocade carp culture
After hatching, the brocade carp larvae have been raised for about 20 days to a month, and when the fish grow to about 3 cm, they should be selected. The purpose of selection is to eliminate the inferior and retain the superior, to strengthen the growth rate, so as to achieve the effect of protecting genetic traits. Therefore, the selection of juvenile fish is feeding.
2020-11-08 Breeding koi selection juvenile skill hatching -
Breeding technique of Boleophthalmus mandshurica in soil pond
Turtle fish is a kind of fish with warm water, wide temperature and wide salinity. Its meat tastes delicious, has the effect of nourishing and strengthening the body, and is deeply loved by the coastal people in Zhejiang, Fujian, Guangdong, Taiwan and other provinces and the Japanese, so the market demand is very large and the price is expensive. Due to the gradual decline of the resources of the big fish, the culture of the big fish was started in the southeast coast of China in the 1980s. Because the fish has the characteristics of short food chain, less fish disease, long-distance transportation of live fish, easy to master culture technology, low culture cost and high economic benefit, so it has the characteristics of short food chain, less disease, long-distance transportation, easy to master culture technology, low culture cost and high economic benefit.
2019-01-11 -
Artificial culture technique of fine scale fish
Artificial culture technique of fine scale fish
2018-09-08 -
How to distinguish between male and female koi, selection and feeding techniques of juvenile koi
The selection of juvenile fish is the most important step to obtain high quality koi in the process of breeding. Generally, 4 times of 3mi selection were carried out within more than 3 months after hatching. The selection time varies with different varieties, the speed of growth and the time of appearance of markings. For example: Showa.
2019-05-21 -
Technical specification for breeding of grouper
Water for raising seedlings: after sand filtration, the main facilities are used directly: ① water supply facilities include 1 sand filter well, 1 submersible pump group, 1 sand filter tank, 1 reservoir and 1 set of inlet and outlet pipes; ② inflatable facilities have 1 group of blower, 1 set of inflatable pipe, inflatable head (2 × 4 / tank); ③ nursery car
2020-11-08 Culture grouper breeding technology procedures water use -
Pond construction and culture of juvenile Shiqian turtles
Stone money tortoise is the most primitive and oldest species of water turtles, which is known as ancient stone turtles in folk. Let's take a look at the construction and breeding of stone tortoise juvenile turtles. 1. the construction of juvenile turtle ponds are mainly used to cultivate young turtles and young turtles. The juvenile turtle pond is made of bricks around it.
2020-11-08 Stone money stone money tortoise turtle pond construction and culture -
What feed does carnivorous fish Sturgeon eat to grow up? How much feed does it take to grow one jin? How much is it per ton?
Sturgeon is a kind of vertebrate which originated earlier in our country, and it is a carnivore, so the food eaten is relatively narrow, but if it is farmed, it can be fed with related feed, what kind of feed does Sturgeon eat to grow up? How much feed does it take to grow one jin? How much
2020-11-11 Carnivorous fish Sturgeon eat what feed grow long one jin -
Culture methods and matters needing attention of Peacock Fish at the head of Hongyun
Water quality: weak alkaline water quality can be selected for culture, the suitable PH value is between 7 and 7.3, and the DH value is about 8-9. Water temperature: the suitable water temperature of juvenile fish is 22-26 ℃, and that of adult fish is 22-24 ℃. Lighting: need to ensure sufficient light, can be used for special use
2020-11-08 Lucky luck Dangtou peacock fish breeding methods and matters needing attention -
How much is the market price of cold water fine scale fish per jin? What's the value? How do you raise it? How do you cook it?
Fine-scale fish is a rare cold-water fish, which can be seen in places where the water quality is clear and the current is fast. Its nutritional value is high, so the price is relatively expensive. How much is the market price of fine-scale fish per jin? What's the value? How do you raise it? How do you cook it? The latest market price
2020-11-11 Cold water fine scales fish market price more less money one jin yes what -
Selection of koi juvenile fish, auxiliary equipment of koi aquarium
1. Storage bucket: when tap water and well water are used as the water source for breeding, storage buckets must be provided for use after aeration and aeration. two。 Bucket, washbasin: used to transport koi, water and bait, etc., unlimited production materials. 3. Rubber hose or plastic hose.
2019-05-21 -
Snow sea bream "culture method" of common freshwater ornamental fish
Origin and distribution of snow bream: Lake Tangan Ike, Lake Malawie, Lake Victoria in Africa. Morphological characteristics: snow sea bream adult fish length 12-26 cm.
2019-02-26 -
Cultivation techniques of juvenile shrimp
Cultivation techniques of juvenile shrimp
2018-07-04 -
How to raise young fish
Now many people like to keep a few fish at home, which can not only cultivate the sentiment, but also improve the indoor decoration effect, and the fish bought will produce small fish after a period of time, so how to raise the young fish? 1. Temperature requirements: juvenile fish are not sensitive to temperature changes.
2020-11-11 Young fish how raise now a lot of people like at home -
Culture techniques of Trionyx sinensis
Culture techniques of Trionyx sinensis
2018-07-02 -
Selection of juvenile koi and daily culture of koi
The daily management of brocade carp culture is very important. As koi lives in water, water management ranks first in the daily management. The quality of water quality directly affects the normal growth of koi. With fresh water and plenty of oxygen, the fish will live a healthy life.
2019-05-21 -
The Feed and feeding method of Fairy Fish
At first glance, the fairy fish has a small mouth, but in fact he is very cunning. When the fairy fish eats the bait, its mouth protrudes in the shape of a tube, sucking water into its mouth like a straw. His suction is very strong. Take the fairy fish 10 centimeters long as an example, he can inhale fish about 1 centimeter long in one breath. Grow to the largest size fairy fish had better not be raised together with small lamp fish, especially black shell shrimp, is a large size fairy fish plate food. A silk earthworm that is about 5 cm long and lives in water.
2019-01-11