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Louisiana State University

Immunity

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Full-Text Articles in Veterinary Medicine

Quantitation Of Anti-Pythium Insidiosum Antibodies Before And After Immunotherapy In Healthy Dogs, Carmen Beatriz Arsuaga Jan 2017

Quantitation Of Anti-Pythium Insidiosum Antibodies Before And After Immunotherapy In Healthy Dogs, Carmen Beatriz Arsuaga

LSU Master's Theses

Pythium insidiosum is an aquatic oomycete that causes invasive, progressive granulomatous lesions of the skin in dogs, horses, and cats, and of the gastrointestinal tract in dogs. Quantitation of anti-P. insidiosum IgG antibodies can be used in dogs to both confirm a suspected diagnosis and to monitor response to therapy. Recently, an immunotherapeutic product (IP) has been marketed for the treatment of pythiosis in dogs, horses, and people. The aim of this study was to evaluate the effect of administration of this product on anti-P. insidiosum IgG concentrations in dogs. The IP was administered to seven, healthy hound mixes on …


Equine Immunity To Cyathostome Infections, Marie Alexandra Baudena Jan 2003

Equine Immunity To Cyathostome Infections, Marie Alexandra Baudena

LSU Doctoral Dissertations

To study the protective responses of cyathostome-infected ponies, two challenges were performed employing animals with different histories of exposure to these parasites. The hypothesis developed and to be tested in these experiments was that ponies that had longer exposure to cyathostome contaminated pastures would express acquired resistance to infection. The assumption behind this hypothesis was that helminth-naïve ponies infected with cyathostomes would eliminate the infection using only innate immune responses. Whereas previously exposed ponies would eliminate the infection with acquired immune responses, and these would be more effective in ponies with longer exposure to cyathostomes. Thus, helminth-naïve animals would acquire …


The Effect Of Aging On The Immune Response To Vaccination In The Horse, Daniel H. Fermaglich Jan 2003

The Effect Of Aging On The Immune Response To Vaccination In The Horse, Daniel H. Fermaglich

LSU Master's Theses

Vaccination programs are designed to protect an animal from infection, however, depending upon the age and health of the animal vaccination may not stimulate a protective humoral response. It is possible that, as in the human and mouse models, geriatric equines may be less responsive than their younger counterparts to current vaccination protocols. The purpose of this study was to identify an age related diminution in the primary and secondary immune responses of geriatric horses in response to vaccination. Two groups of horses were sampled. The first group consisted of an open herd of 39 privately owned horses, varying in …