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  20         Environment         aquaculture, if properly managed, can         provide the world with healthy,         protein-rich food with less impact         on the environment than traditional         agriculture. With the right measures, we         can minimize or even eliminate certain         risks to the environment.         Salmon production, along with any other food industry, involves         environmental concerns that we work hard to diminish. Caring for         nature and protecting our assets are parallelagendas on which         Grieg Seafood spends considerable resources.         Hire a custodian         parasite problems are not exclusive to fsh farming.  internal and         external parasites are plagues within the cattle, sheep, pork and         poultry industries. The standard treatment for parasites is to use         pharmaceuticals, but in aquaculture there are natural alternatives         that prove more effcient.         One technique to lessen the use of pharmaceuticals in the marine         environment and still  control an outbreak of salmon lice is  to         introduce different types of wrasses into the nets. Wrasses are fsh         that feed on ectoparasites. These “custodians of the waters” have         shown to be very effcient, clearing a lice infection before it does         much harm.  This is an environmentally rewarding alternative to         pharmaceuticals.         Location, location, location         The real-estate mantra is just as relevant in fsh farming. Ensuring         that fsh farms have an adequate current with clean, oxygen-rich         seawater to handle excrement and surplus feed is another method   The highest percentage of fsh escape because of poor weather         to lessen environmental impact. Grieg Seafood farms are in deep   conditions. Bad weather, however, is not an acceptable excuse         areas with good water replacement, where discharge is handled   for Grieg Seafood. Taking extraordinary steps to ensure that our         well within the limits of the surrounding ecosystem.  assets are well-protected against natural forces, Grieg Seafood has                                                              developed a zero-tolerance stance on escape.         Zero escape tolerance         One  of  the  farming  industry’s  greatest  environmental  challenges   Salmon – the effcient fsh         is that each year large quantities of farmed fsh escape from sea   Compared to other sources of protein, salmon use the energy and         farms.  The  escaped  fsh  pose  a  threat  to  wild  stocks  of  salmon   protein levels of feed very effciently. Other farmed animals that eat         and trout. We have a responsibility to preserve the environmental   concentrated foods produce less protein per ton of feed consumed.         integrity that these stocks represent.
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