نتایج جستجو برای: waterfowl
تعداد نتایج: 1321 فیلتر نتایج به سال:
Ample evidence suggests that all influenza viruses in mammals were probably derived from those in wild waterfowl at some time. In addition to those already established in mammals, the viruses have been transmitted to both mammals and to poultry from wild waterfowl and caused outbreaks in recent years. Experimentally, however, the viruses from one species of animals do not grow efficiently in ot...
Abstract Context The North American Waterfowl Management Plan and the Upper Mississippi River/Great Lakes Joint Venture waterfowl habitat conservation strategy provide continental regional guidance, respectively, for planning. They were not designed to guide watershed- scale delivery. Objective Our goal was develop a decision support framework state of Wisconsin using biological social criteria...
It is traditional for people living in towns and cities to stroll through the public parks and feed the ducks and geese. It is widely believed that such activities are productive in that they offer nutrition to waterfowl, present entertainment for the family, and in today’s urbanizing society, provide an opportunity for people to interface with nature. However, supplemental feeding of wild wate...
The chewing lice (Phthiraptera: Insecta) were examined for their rate of infestation on migratory waterfowl-ducks and geese (Anatidae: Anseriformes: Aves) in Kashmir region during the years 2015-2019. During present study, two species have been found winter various wetlands Kashmir. study 93 dead over a period 5 revealed that 47 birds infested with one or other type parasite an overall prevalen...
The roles that waterfowl in general, and Canada geese in particular, have in the dissemination and transmission of viral and bacterial diseases of human or agricultural importance are covered in this review. In addition to the biological information about the etiology of the disease, economic impacts and zoonotic potential of viral and bacterial pathogens are considered. In most cases existing ...
Since the sources from which humans acquire Campylobacter enteritis are only partially known, we studied the frequency of carriage of Campylobacter fetus subsp. jejuni in migratory waterfowl. Cecal contents of various species of wild ducks were cultured on selective media that contained antibiotics to inhibit normal flora. Thirty-five percent of the 445 ducks cultured harbored C. fetus subsp. j...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید