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Full-Text Articles in Veterinary Pathology and Pathobiology

American White Pelican (Pelecanus Erythrorhynchos) Growth, Nutrition And Immunology, Treena L. Ferguson, Brian J. Rude, D. Tommy King Jan 2019

American White Pelican (Pelecanus Erythrorhynchos) Growth, Nutrition And Immunology, Treena L. Ferguson, Brian J. Rude, D. Tommy King

United States Department of Agriculture Wildlife Services: Staff Publications

Limited information about nutrition exists on American White Pelicans (Pelecanus erythrorhynchos) from hatching to fledging. To detail immunity, metabolism and nutrition of juvenile American White Pelicans, during 22-23 July 2011, 103 samples of regurgitate matter were collected at five Chase Lake, North Dakota, USA, and three Bitter Lake, South Dakota, USA, sub-colonies. Regurgitate sample nutrient content was significantly different for organic matter (P = 0.012), crude protein (P = 0.001), neutral detergent fiber (P = 0.014), acid detergent fiber (P = 0.005) and energy (P = 0.034) between North (n = 5) …


Plants, Prions And Possibilities: Current Understanding And Significance Of Prion Uptake Into Plants, Tracy A. Nichols May 2016

Plants, Prions And Possibilities: Current Understanding And Significance Of Prion Uptake Into Plants, Tracy A. Nichols

United States Department of Agriculture Wildlife Services: Staff Publications

Chronic wasting disease (CWD) is an infectious, neurodegenerative disease of deer (white-tailed and mule), elk, moose, sika deer and muntjac caused by a misfolded version of a normally occurring protein. The notion that CWD could be spread indirectly via the environment has been documented and accepted in the scientific community for quite some time. Deer and elk consume soil, inhale dust and lick objects that have infectious material on them, resulting in chronic, low dose exposure. Surface contamination of plants with urine or feces is likely an additional source of exposure via ingestion and has been modeled in the laboratory …


Fecal Volatile Organic Ccompound Profiles From White-Tailed Deer (Odocoileus Virginianus) As Indicators Of Mycobacterium Bovis Exposure Or Mycobacterium Bovis Bacille Calmette-Guerin (Bcg) Vaccination, Randal S. Stahl, Christine K. Ellis, Pauline Nol, W. Ray Waters, Kurt C. Vercauteren Jun 2015

Fecal Volatile Organic Ccompound Profiles From White-Tailed Deer (Odocoileus Virginianus) As Indicators Of Mycobacterium Bovis Exposure Or Mycobacterium Bovis Bacille Calmette-Guerin (Bcg) Vaccination, Randal S. Stahl, Christine K. Ellis, Pauline Nol, W. Ray Waters, Kurt C. Vercauteren

United States Department of Agriculture Wildlife Services: Staff Publications

White-tailed deer (Odocoileus virginianus) serve as a reservoir for bovine tuberculosis, caused by Mycobacterium bovis, and can be a source of infection in cattle. Vaccination with M. bovis Bacille Calmette Guerin (BCG) is being considered for management of bovine tuberculosis in deer. Presently, no method exists to non-invasively monitor the presence of bovine tuberculosis in deer. In this study, volatile organic compound profiles of BCG-vaccinated and non-vaccinated deer, before and after experimental challenge with M. bovis strain 95–1315, were generated using solid phase microextraction fiber head-space sampling over suspended fecal pellets with analysis by gas chromatography/mass spectrometry. …