FARM Fish Information


Connecticut Sea Grant researchers have found synthetic growth hormones that could shorten the growth time needed for farm-raised fish to reach market size.

Researchers used a technique called transgenics, which transfers DNA from one species to another, to stimulate growth hormone production.

Early results are promising, researchers said. When they transferred the rainbow trout growth hormone gene into common seafood species like carp, catfish and tilapia, the altered fish grew 60 to 600 percent larger. They also found applying a synthetic growth hormone-releasing peptide was successful. This suggests the peptide, as well as the hormone itself, can stimulate growth.

Researchers are working further to find a peptide to protect farm-raised rainbow trout and other seafood from disease, which often plagues aquaculture operations. The techniques could result in commercial transgenic fish that reduce both the amount of time and feed needed to grow fish to market size.

Issues w/ Farm-raised Fish

Excerpted from USA Today op ed

Salmon Farming Problems
Plant-Protein Substitutes Affects Metabolism of Farmed Fish
Salmon Escaping the Farms
Environmental Defense: Farm Fish Use MORE Resources
Genetically Modified Traits May Impede Survival
Detection of micronucleus & abnormal nucleus - Sewage-Fed
Fish Farm Breeding Problems

J Conservation Biology, 10/02

Omega-3 Fatty Acids to Augment Cancer Therapy

Excerpt from AICR meeting, July 2002 includes important Farmed Fish information

Genetically Modified Fish Species:Ask if Wild or Farmed

Source:Seventh Generation

Chemical Makes Fish Eat Vegetables Not Other Fish

Science/Nature, 11/02

Farmed Salmon & High PCB Levels

LINK to article from Env Working Group

Farmed And Dangerous

LINK to organization providing info on dangers of farmed fish, advocates

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