رکورد قبلیرکورد بعدی

" Oregon's nutria problem "


Document Type : AL
Record Number : 941998
Doc. No : LA8qs5x4b1
Language of Document : English
Main Entry : Kuhn, Lee W.; Peloquin, E. Paul
Title & Author : Oregon's nutria problem [Article]\ Kuhn, Lee W.; Peloquin, E. Paul
Title of Periodical : Proceedings of the Vertebrate Pest Conference
Volume/ Issue Number : 6
Date : 1974
Abstract : The nutria or coypu, Myocastor coypus, is a large semi-aquatic rodent that superficially resembles an overgrown muskrat or a stunted beaver. They were introduced into Oregon from about 1930 to the 1950's. At one time Oregon had more than 600 fur farmers raising these animals for fur; now there are none. Some animals escaped and many others were released into the wild when it became apparent that pelt values were nonexistent and production costs greatly exceeded profits. Being prolific and quite mobile, the nutria quickly spread through much of western Oregon. By the 1960's damage to agricultural crops was common to severe in western Oregon. Crops damaged included seed, grain, forage, hay and trees. Burrowing damage to stream banks, field borders, and farm ponds was reported in many areas. Growth and reproduction data for Oregon nutria are included. Methods for controlling feral nutria including the use of prolin, red squill, strychnine alkaloid, and zinc phosphide are reported. Fur trapping and adverse weather as factors in population reduction are discussed.
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