Joke Collection Website - News headlines - Where is the origin of white mullet? What are the breeding advantages of white mullet?
Where is the origin of white mullet? What are the breeding advantages of white mullet?
Where is the origin of white mullet?
Mullet is a special economic fish in Neijiang City, Sichuan Province, mainly distributed in the Wulong River in the downtown area of Neijiang. Artificial reproduction began in the 1980s. In 2004, the central government of Neijiang City built a provincial aquaculture farm in Yong 'an, which integrates the breeding and breeding of mullet and named it Yong 'an mullet. Mullet culture has gradually formed large-scale production in Neijiang city center, forming a good development situation in which a fish drives an industry.
The difference between white mullet and mullet
1, the color of white mullet is much better than that of mullet, especially the characteristic white mullet fin is golden yellow and very beautiful, which is often sold as an ornamental fish in the market.
2. The nutritional value of mullet is higher, which is reflected in high protein, high trace elements, high amino acids and low fat. 95% of the indexes are higher than those of common mullet.
The quantity of white mullet is very rare, so it is expensive in the market. The consumption of mullet in freshwater fish in China is second only to the four major fish, and the price is relatively cheap.
Breeding advantages of mullet
1, fast growth: white mullet grows very fast, and the seedlings can reach one catty a year, so it can be listed.
2. Low cost: 1kg cost per weight gain will not exceed that of 5 yuan, no matter whether it is fed with feed or fresh wild fish. Considering fry, labor, water and electricity, pond rent, medicines, etc. , the comprehensive cost does not exceed 7 yuan per catty.
3. Strong adaptability: white mullet has good clustering, high and low temperature tolerance, auxiliary respiratory organs on gills, and hypoxia tolerance. There is basically no need to open an aerator, and the disease resistance is strong, and the survival rate can reach over 90%.
4, the technology is simple: the hatching and cultivation technology of fry is simple, and most people can operate successfully. Moreover, the requirements for fish ponds are simple, and no special facilities are needed, just general escape prevention facilities and convenient water intake and drainage.
5. Good prospect: mullet has high nutritional value, which can be used not only as food, but also as medicine and ornamental, and has a good prospect.
Generally speaking, white mullet and mullet belong to the same kind of fish, but its advantages are better than mullet in all aspects, and it is more convenient for long-distance transportation. At present, there are a large number of artificial breeding in Neijiang, Sichuan, China.
- Previous article:English composition about dolphins
- Next article:The Year of the Ox has made a good start. The slogan rhymes.
- Related articles
- Shaoxing rural garbage classification slogan banner
- The role of logo ink draft in VI_How to make vi ink draft
- 500 words of New Year greetings
- How much is the decoration of the antique shop?
- When is a good time to open a shop in the meantime?
- Disability prevention slogans
- Dragon Boat Festival theme 8 words
- What are the public service slogans?
- Spring Festival promotional banners and slogans
- What is the science of drawing grade two in our earth home?