National Wildlife Health Center

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Filter Total Items: 1,480
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Year Published: 1985

Biochemical and hematological effects of lead ingestion in nestling American kestrels (Falco sparverius)

1. One-day old American kestrel (Faico sparverius) nestlings were orally dosed daily with 5 μl/g of corn oil (controls), 25, 125 or 625 mg/kg of metallic lead in corn oil for 10 days.2. Forty per cent of the nestlings receiving 625 mg/kg of lead died after 6 days and growth rates were significantly depressed in the two highest lead dosed groups....

Hoffman, D. J.; Franson, J. C.; Pattee, O. H.; Bunck, C. M.; Murray, H. C.
Biochemical and hematological effects of lead ingestion in nestling American kestrels (Falco sparverius); 1985; Article; Journal; Comparative Biochemistry and Physiology, C; Hoffman, D.J.; Franson, J.C.; Pattee, O.H.; Bunck, C.M.; Murray, H.C.

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Year Published: 1985

Avian botulism

What is avian botulism? Avian botulism, or Western duck sickness, is one of the three most important disease problems of wild migratory birds. Each year, many birds are paralyzed or die after exposure to a toxin produced by the botulinum bacterium. Two of the seven toxin types that have been identifies cause mortality in wild birds; one of these...

Friend, Milton; Locke, Louis N.; Kennelly, James J.
Avian botulism; 1985; Federal Government Series; Friend, Milton F.; Locke, Louis N.; Kennelly, James J.

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Year Published: 1985

Bald eagle mortality from lead poisoning and other causes 1963-1984

In November 1984, the NWHL was assigned the task to:"Prepare a report of bald eagle mortality from lead poisoning and other causes. Determine whether primary causes of lead poisoning are due to ingestion of lead shot pellets. Prepare an appropriate map showing eagle concentrations and location of death. Make management recommendations."This report...

Bald eagle mortality from lead poisoning and other causes 1963-1984; 1985; Report; National Wildlife Health Laboratory.

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Year Published: 1985

Heavy metals in white-tailed deer living near a zinc smelter in Pennsylvania

White-tailed deer (Odocoileus virginianus (Zimmermann)) shot within 20 km of the zinc smelters in the Palmerton, Pennsylvania area contained extremely high renal concentrations of cadmium (372 ppm dry weight (dw)) and zinc (600 ppm dw). The deer with the highest renal zinc concentration was shot 4 km from the smelters and had joint lesions...

Sileo, Louis; Beyer, W. Nelson
Heavy metals in white-tailed deer (Odocoileus virginianus) living near a zinc smelter in Pennsylvania; 1985; Article; Journal; Journal of Wildlife Diseases; Sileo, L.; Beyer, W. N.

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Year Published: 1985

Immunizing Canada geese against avian cholera

A small flock of captive giant Canada geese were vaccinated with the experimental bac- terin in Nebraska to test its efficacy under field conditions. Only 2 of 157 vaccinates died from avian cholera during an annual spring die-off.

Price, J.I.
Immunizing Canada geese against avian cholera; 1985; Article; Journal; Wildlife Society Bulletin; Price, J. I.

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Year Published: 1985

Interpretation of criteria commonly used to determine lead poisoning problem areas

Determination of lead poisoning problem areas is complicated by the nature of the disease process. Rigorous documentation of lead poisoning as a cause of mortality in birds requires the integration and evaluation of pathological and toxicological data by an experienced diagnostician. No single technique provides unequivocal proof that lead...

Friend, Milton
Interpretation of criteria commonly used to determine lead poisoning problem areas; 1985; Federal Government Series; FWL; 2; Friend, Milton

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Year Published: 1985

Wildlife health implications of sewage disposal in wetlands

Wildlife health concerns associated with disposal of sewage effluent in wetlands are of three primary types: (1) introduction of pathogens, (2) introduction of pollutants that adversely impact on host body defense mechanisms, and (3) changes in the physical and chemical properties of wetlands that favor the development and maintenance of disease...

Godfrey, P.J.; Kaynor, E.R.; Pelczarski, S.; Friend, M.
Wildlife health implications of sewage disposal in wetlands; 1985; Book chapter; Ecological Considerations in Wetlands Treatment of Municipal Wastewaters; Friend, M.

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Year Published: 1984

The prevalence and pathogenicity of gizzard nematodes of the genera Amidostomum and Epomidiostomum (Trichostrongylidae) in the lesser snow goose (Chen caerulescens caerulescens)

Three species of trichostrongylid nematodes were removed from the gizzards of 25 lesser snow geese, Chen caerulescens caerulescens, collected at Winisk, Ont. A 100% prevalence of infection was noted in the sampled population with each bird harboring two or more of the following species: Epomidiostomum crami (prevalence, 92%; mean intensity, 18.7...

Tuggle, B.N.; Crites, John L.
The prevalence and pathogenicity of gizzard nematodes of the genera Amidostomum and Epomidiostomum (Trichostrongylidae) in the lesser snow goose (Chen caerulescens caerulescens); 1984; Article; Journal; Canadian Journal of Zoology; Tuggle, B. N.; Crites, J. L.

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Year Published: 1984

Pesticide, PCB, and lead residues and necropsy data for bald eagles from 32 states - 1978-81

In 1978–81, 293 bald eagles (Haliaeetus leucocephalus) from 32 states were necropsied and analyzed for organochlorine pesticides, polychlorinated biphenyls (PCB), and lead residues. DDE was found in all carcasses; PCB, DDD, trans-nonachlor, dieldrin and oxychlordane were next in order of percent frequency of detection. The median levels of DDE and...

Reichel, W.L.; Schmeling, Shelia K.; Cromartie, E.; Kaiser, T.E.; Krynitsky, A.J.; Lamont, T.G.; Mulhern, B.M.; Prouty, R.M.; Stafford, C.J.; Swineford, D.M.

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Year Published: 1984

Acute responses of American kestrels to methyl parathion and fenvalerate

Physiological and toxicological effects of p.o, methyl parathion (0.375-3.0 mg/kg) or fenvalerate (1000-4000 mg/kg) were examined over a 10 h period in American kestrels (Falco sparverius) maintained in thermoneutral (22?.C) and cold (-5?.C) environments. Methyl parathion was highly toxic (LD50=3.08 mg/kg, 95% confidence limits=2.29-4.l4 mg/kg,...

Rattner, B. A.; Franson, J. C.
Acute responses of American kestrels to methyl parathion and fenvalerate; 1984; Article; Journal; Federation Proceedings; Rattner, B.A.; Franson, J.C.

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Year Published: 1984

A survey of North American migratory waterfowl for duck plague (duck virus enteritis) virus

A survey of migratory waterfowl for duck plague (DP) virus was conducted in the Mississippi and Central flyways during 1982 and in the Atlantic and Pacific flyways during 1983. Cloacal and pharyngeal swabs were collected from 3,169 migratory waterfowl in these four flyways, principally mallards (Anas platyrhynchos L.), black ducks (Anas...

Brand, Christopher J.; Docherty, Douglas E.
A survey of North American migratory waterfowl for duck plague (duck virus enteritis) virus; 1984; Article; Journal; Journal of Wildlife Diseases; Brand, C. J.; Docherty, D. E.

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Year Published: 1984

Avian cholera in Nebraska's Rainwater Basin

The first report of avian cholera in North America occurred in northwestern Texas in winter 1944 (Quortrup et al. 1946). In 1975, mortality from avian cholera occurred for the first time in waterfowl in the Rainwater Basin of Nebraska when an estimated 25,000 birds died (Zinkl et al. 1977). Avian cholera has continued to cause mortality in wild...

Windingstad, R. M.; Hurt, J.J.; Trout, A.K.; Cary, J.
Avian cholera in Nebraska's Rainwater Basin; 1984; Article; Journal; Transactions of the North American Wildlife and Natural Resources Conference; Windingstad, R. M.; Hurt, J. J.; Trout, A. K.; Cary, J.