ขอบคุณทุกๆท่านครับที่เข้ามาช่วยเขียนตอบกระทู้
วันนี้ลองเข้าไปหาข้อมูลกุ้งvannameiมาครับ พอได้คำตอบว่าเป็นกุ้งราคาถูก ประมาณครึ่งหนึ่งของกุ้งอย่างอื่น
Whiteleg shrimp
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Whiteleg shrimp
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Suborder: Dendrobranchiata
Family: Penaeidae
Genus: Litopenaeus
Species: L. vannamei
Binomial name
Litopenaeus vannamei
(Boone, 1931)
Synonyms
Penaeus vannamei Boone, 1931
Whiteleg shrimp (Litopenaeus vannamei, formerly Penaeus vannamei), also known as Pacific white shrimp, is a variety of prawn (not shrimp) of the eastern Pacific Ocean commonly caught or farmed for food. It is the major species of farmed shrimp. Whiteleg shrimp are native to the eastern Pacific, from Sonora in Mexico to northern Peru. The main sources of whiteleg shrimp are Ecuador, Mexico and Brazil. Whiteleg shrimp sold in the U.S. market are primarily from Mexico and Ecuador. A small amount of whiteleg shrimp is now farmed in the U.S. (primarily in Texas).
In first world western nations such as Australia, Litopenaeus vannamei are sold in supermarkets, these varieties are typically labelled 'Product of China' or Vietnam. Consumers are attracted by the relative low price per Kilo. Consumers find that per kilo, the Litopenaeus vannamei retail at roughly half the price of domestically sourced prawns
http://en.wikipedia.org/wiki/Whiteleg_shrimp