Sammanfattning

A formal survey based on a semi-structured questionnaire was conducted among catfish farmers, and catfish and catfish by-product processing companies in five provinces (CanTho, An Giang, Dong Thap, Vinh Long and Tien Giang) in the Mekong Delta of Vietnam. Samples of meals were taken for analysis of chemical composition, including crude protein (CP), ether extract (EE), crude fibre (CF), ash, amino acids, fatty acids, and minerals. The results show that most catfish farmers were changing to raising catfish in ponds and in the Dang Quang system, which is found along the Hau and Tien Rivers, while raising Tra catfish in floating cages was decreasing because of higher costs. The amount of catfish by-product produced in the Mekong Delta is around 710 tonnes/day, of which 53% is dried catfish meal for animal feed, 42% is wet fish meal for aquaculture, and around 5% is for human consumption. The catfish by-product meals were found to be high in fat (10-33% EE) and calcium (4-13%), while the CP content in head and bone by-product meals was rather low (35-42%). The broken meat and skin by-product meals had relatively high CP content (45-62%), a good balance of essential amino acids, and were high in lysine (5.45-9.33 % of DM)

Nyckelord

Catfish by-product; Dang Quang system; fish by-product meals; floating cage system; Mekong delta; Tra catfish

Publicerad i

Livestock Research For Rural Development
2007, Volym: 19, nummer: 9, sidor: -

SLU författare

• Lindberg, Jan Erik

  • Institutionen för tillämpad husdjursvetenskap och välfärd, Sveriges lantbruksuniversitet
    

• Ogle, Brian

  • Institutionen för tillämpad husdjursvetenskap och välfärd, Sveriges lantbruksuniversitet
    

UKÄ forskningsämne

Veterinärmedicin
Husdjursvetenskap


Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/16175