SeaFood Business

MAR 2014

SeaFood Business is the global trusted authority for seafood buyers and sellers. We are the seafood industry's leading trade magazine with more than 30 years of experience. Our coverage is based on the "business" of buying and selling seafood.

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30 SeaFood Business March 2014 Visit us online at To p Story characteristics than tradi- tional livestock," says Peter Bridson, the aquarium's aquaculture research man- ager, who's focused his attention on salmon farm- ing over the past few years. He also notes that drug use may have diferent impacts in aquatic environments. Aquaculture is a "chal- lenging sector" to get good data for veterinary drug use, but Bridson has found salm- on farming to be fairly trans- parent. Seafood Watch, the aquarium's sustainable sea- food buying-recommenda- tion program for consumers that evaluates such data, has simple goals for veterinary drug use in aquaculture. "We'd like to see, ideally, a ban on 'critically impor- tant' antibiotics and strong limits on the 'highly impor- tant' ones," he says, referring to the two categories FDA separates antibiotics into. "One answer is, 'Let's ban antibiotics completely and not take that risk,' or to sim- ply not waste them on food animals. But you have to be pragmatic about farming. Tose animals are going to get sick from time to time. Some proper [antibiotic] use has to be OK along the line. One of the problems is prophylactic use, and antibiotics used as a growth promoter. Tat's a big problem. Aquaculture has not done that so much." No easy solutions Clear pathways for drug- resistance transferral from terrestrial livestock to hu- mans are well documented, Bridson says, adding that an- tibiotics have been overpre- scribed for humans as well. Te FDA considers all antibi- otics important, says Flynn. "We've known about over- use for some time now. From a scientifc point of view, there isn't a debate," adds Ur- vashi Rangan, Ph.D., direc- tor of the consumer safety and sustainability group for Consumer Re- ports. "Tere aren't any an- tibiotics be- ing developed anymore. We don't have a lot of options after this; it's a bit of a catch-22. We can't use these things indiscrimi- nately. It's about preserving what we've got." Te salient question, on the farm level, is what separates responsible use from abuse, says marine microbiologist Stephen Newman, president and CEO of Aquaintech in Lynnwood, Wash. "To me, what constitutes responsible use is identifying the cause of a specifc dis- ease, determining whether it's amenable to treatment with approved antibiot- ics or antivirals, and treat- ing the population with the a p p r o p r i a t e [drug] for the appropriate amount of time, with the legal withdrawal time," he says. "When in fact, that's unfortunately rarely the case. We're more regulated in the United States, and it's harder to get antibiotics to use in- appropriately. I have a good idea of what is going on glob- ally and yes, in some parts of the world, the vast majority is irresponsible use." Aquaintech provides a range of aquaculture consult- ing services and water-quality enhancement products that reduce the amount of accu- mulated organic material in 28_33TopStory.indd 30 2/18/14 1:07 PM

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