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Articles 1 - 7 of 7
Full-Text Articles in Poultry or Avian Science
Identification Of Biomarkers Associated With Ascites Incidence In Broilers, Kaylee Rowland
Identification Of Biomarkers Associated With Ascites Incidence In Broilers, Kaylee Rowland
Graduate Theses and Dissertations
Poultry is key in genetic research due to breeding feasibility, relatively short generation interval, and distinct phenotypes. It is estimated that 8% of broiler deaths annually can be attributed to ascites, an economically important disease that has been challenging the industry for the past 2 decades. Genetically selected ascites resistant (RES) and susceptible (SUS) chicken lines have been established and maintained by the University of Arkansas, Fayetteville. Intensive research efforts have been made to reveal physiological and biochemical characteristics for the incidence of ascites. Since the whole genome of the major ancestral chicken, the Red Jungle Fowl, has been sequenced, …
Comparison Of Potential Salmonella Portals Of Entry And Tissue Distribution Following Challenge Of Poultry, Gopala Krishna Kallapura Sheshagiri
Comparison Of Potential Salmonella Portals Of Entry And Tissue Distribution Following Challenge Of Poultry, Gopala Krishna Kallapura Sheshagiri
Graduate Theses and Dissertations
The following studies evaluated our hypothesis that transmission by the fecal-respiratory route may be a viable portal of entry for Salmonella and could explain some clinical impressions of relatively low-dose infectivity under field conditions in relation to the requisite high oral challenge dose that is typically required for infection of poultry through the oral route in laboratory studies. Initial field reports indicating tracheal sampling to be a sensitive tool for monitoring Salmonella infection in commercial flocks, suggested that tracheal contamination could be a good indicator of Salmonella infection under commercial conditions. Further, a usual assumption regarding airborne Salmonella reaching the …
Characterization Of Host Immune Responses To Eimeria Adenoeides Infection In Turkey Poults, Ujvala Deepthi Gadde
Characterization Of Host Immune Responses To Eimeria Adenoeides Infection In Turkey Poults, Ujvala Deepthi Gadde
Graduate Theses and Dissertations
Coccidiosis is a common enteric disease of turkeys that is caused by protozoan parasites belonging to the genus Eimeria. There are about seven species of Eimeria that affect turkeys and of these E. adenoeides is the most pathogenic and commonly recognized. Infection with Eimeria is known to induce a long lasting protective immunity in chickens, but nothing is known regarding the acquisition of immunity to Eimeria in turkeys. The experiments reported here were aimed at investigating the biological and cellular immune response to E. adenoeides in turkey poults under different conditions of exposure. In experiment 1 (Chapter II), 20 …
Genetic Analysis Of The Promoter Region Of The Serotonin Receptor 5ht2b And Its Contribution To Pulmonary Hypertension Syndrome In Broiler-Type Chickens, Khaloud Awada Alzahrani
Genetic Analysis Of The Promoter Region Of The Serotonin Receptor 5ht2b And Its Contribution To Pulmonary Hypertension Syndrome In Broiler-Type Chickens, Khaloud Awada Alzahrani
Graduate Theses and Dissertations
Pulmonary Arterial Hypertension (PAH) is a sever disorder characterized by high pulmonary artery pressure and pulmonary vascular resistance along with specific histological changes. Idiopathic PAH is a human disease of unknown origin that showed common characteristics to PHS/ascites in chicken. PHS/ascites is a condition found in broilers causing right ventricular hypertrophy, valvular insufficiency, increased venous pressure, variable liver changes, accumulation of fluids in the abdominal cavity, and finally lung and heart failure. Currently, there is no acceptable animal model for human PAH. Our group has been validating the chicken as the medical animal model for human PAH, thus we have …
Efficacy Of Probiotics For Reducing The Incidence Of Lameness In Broilers Grown On Wire Flooring, John Matthew Stark
Efficacy Of Probiotics For Reducing The Incidence Of Lameness In Broilers Grown On Wire Flooring, John Matthew Stark
Graduate Theses and Dissertations
Growing broilers on wire flooring provides an excellent experimental model for reproducibly triggering significant levels of lameness. In Pilot Study #1 using broilers from Line C grown on wire flooring, adding the Biomin probiotic PoultryStar® to the feed reduced the percentage of lameness by half when compared with broilers that received the control diet alone. In Pilot Study # 2 using broilers from Line B grown on wire flooring, adding the PoultryStar® probiotic reduced the percentage of lameness to 8% when compared with 28% lameness in broilers that received the control diet alone. The objective of this study was to …
Avma Guidelines For The Euthanasia Of Animals: 2013 Edition, Steven Leary, Wendy Underwood, Raymond Anthony, Samuel Cartner, Douglas Corey, Temple Grandin, Cheryl B. Greenacre, Sharon Gwaltney-Bran, Mary Ann Mccrackin, Robert Meyer, David Miller, Jan Shearer, Roy Yanong
Avma Guidelines For The Euthanasia Of Animals: 2013 Edition, Steven Leary, Wendy Underwood, Raymond Anthony, Samuel Cartner, Douglas Corey, Temple Grandin, Cheryl B. Greenacre, Sharon Gwaltney-Bran, Mary Ann Mccrackin, Robert Meyer, David Miller, Jan Shearer, Roy Yanong
Cheryl B Greenacre DVM
No abstract provided.
The Effect Of Visual Wulst Lesions And Trigeminal Nerve Sectioning On The Discrimination Of Magnetic Inclination In The Homing Pigeon (Columba Livia), Merissa Acerbi
Honors Projects
The ability of homing pigeons to return to their loft from unknown places has fascinated scientists for centuries. It is well established that homing pigeons, like migratory birds, posses an innate magnetic inclination compass to determine direction by measuring the angle between the magnetic field vector and the Earth's surface. Recent work has indicated that the avian magnetic compass is light mediated and appears to mediate magnetic information to the brain. This occurs via a visual pathway with processing in the visual Wulst area of the forebrain. There is, however, also evidence from other avian species that magnetic direction may …