Word: lice
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...Salmon farming can be a dirty business. According to Otto Langer, 56, a biologist who worked 30 years for Canada's Department of Fisheries, a large salmon farm may pour as much liquid waste into the sea as a small city. Add to that the plagues of destructive sea lice that thrive in densely packed salmon pens and the schools of farm-grown fish that inevitably escape to the open sea, where they spread diseases and compete for food and breeding grounds with wild stocks...
...louse, which breeds by the millions in the vicinity of captive salmon. In 1989 Peter Mantle, who owns a wild salmon and sea-trout sport fishery in Delphi on the west coast of Ireland, discovered that young trout returning to his river from the ocean were covered with lice that were boring through the trouts' skin and feasting on their flesh. The sea lice were breeding near newly installed salmon farms in the inlet fed by his river. By the time the salmon farmers started dosing their pens with anti-sea-lice chemicals, the sea-trout fisheries of the west...
...livestock design projects was to create a dip-vat and cattle-handling facility for a feed yard in Arizona. A dip vat is a long, narrow, 7-ft.-deep swimming pool through which cattle move in single file. It is filled with pesticide to rid the animals of ticks, lice and other external parasites. In 1978 dip-vat designs were very poor. The animals often panicked because they were forced into the vat down a steep, slick decline. They would refuse to jump into the vat and would sometimes flip over backward and drown...
...Rouge rule, when the museum was vacant. By the early 1990s, curators were desperate to evict them as droppings?up to a ton a month?coated the artifacts below and threatened to collapse the second-floor ceiling. A putrid stench distracted gallery patrons, and on one memorable occasion, bat lice in the air elicited an allergic reaction from a visiting Thai princess...
...when I showed up at Raratu Lodge, near Havelock North on North Island, ready to get down to the ranch and shear some sheep, proprietor Pete Hill was quietly amused. Forget New Zealand's shepherding heritage?nothing could get him to herd sheep, even if he had any. "Field lice," as he called them, were far too stupid and too prone to disease. Seeing my city slicker's crushed expression, he did offer me the chance to douse a few of his dairy cows with a de-worming bath, but the intermittent late summer showers ruled that...