avian influenza viruses and paramyxoviruses in wintering and resident ducks in texas.cloacal swabs were collected from teal (anas crecca, anas cyanoptera, anas discors), mottled duck (anas fulvigula) and northern pintail (anas acuta) in brazoria county, texas, usa, during february 2001, mottled ducks during august 2001, and blue-winged teal (a. discors) during february 2002. prevalence of avian influenza virus (aiv) infections during each sampling period were 11, 0, and 15%, respectively. the hemagglutinin (h) subtypes h2 and h7 were detected in both years, while the h8 subtype ...200516244076
shot ingestion by wintering female northern pintails (anas acuta) in the texas coastal plain, 2012-14.historically, lead poisoning through lead shot ingestion was one of the largest health issues affecting waterfowl in north america. lead shot was banned for use in waterfowl hunting in the us in 1991 and was banned in canada in 1997. however, biologists need to understand how, and if, lead shot remaining in the environment will continue to impact waterfowl. our goal was to estimate lead and nontoxic shot consumption by female northern pintails (anas acuta) wintering along the texas coast. we fou ...201626555108
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