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Results for “Psittaciformes”

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At least 163 records · Page 9Linked to original sources
PubMed2000

Development of a blocking enzyme-linked immunosorbent assay for the detection of avian polyomavirus-specific antibodies.

Avian polyomavirus, described originally as budgerigar fledgling disease virus, has been associated with devastating contagious disease outbreaks in budgerigar aviaries. At present, this virus affects a wide range of psittacine and non-psittacine birds worldwide, and the serum neutralisation test is used for the serodiagnosis of avian polyomavirus infections. A blocking enzyme-linked immunosorbent assay was developed for the screening of large numbers of sera collected from various avian species. The assay employs a monoclonal antibody directed against the major structural protein VP1 as a blocking antibody in a sandwich blocking procedure. Either purified avian polyomavirus particles or avian polyomavirus VP1 expressed in recombinant baculovirus-infected Sf9 cells were used as antigen. The specificity of the blocking enzyme-linked immunosorbent assay was evaluated by testing sera directed against mammalian polyomaviruses. Using sera obtained from chicken infected experimentally with avian polyomavirus and a collection of psittacine field-origin sera, a good correlation was observed between the results of the blocking enzyme-linked immunosorbent assay and the serum neutralisation test. However, the blocking enzyme-linked immunosorbent assay is more rapid and more economic. Both, avian polyomavirus particles and VP1 produced by recombinant DNA technology proved to be suitable antigens.

Animals↗
PubMed1984

Feather disorders.

Explore the source record for details and available documents.

Animal Husbandry↗
PubMed1984

Diagnostic cytology in avian medicine.

Diagnostic cytology in avian medicine provides a means for better disease definition in the avian patient, which allows for a more specific therapeutic regimen. It is important that cytologic specimens are from fresh sources, since cells degenerate rapidly following the death of the bird or the tissue. Cytologic evaluation is an adjunct to other diagnostic procedures. A definitive diagnosis often requires information from the clinical history, physical examination, evaluation of samples obtained from the bird, radiographs, surgical procedures, necropsy, and histopathology.

Air Sacs↗
PubMed1991

Common infectious diseases of psittacine birds seen in practice.

The "average" small animal practitioner who sees pet birds in practice comes across a variety of bacterial, fungal, protozoal, viral, and chlamydial diseases. Diagnosis and treatment of some are relatively uncomplicated, but many psittacine diseases remain enigmatic. Ante-mortem diagnosis of some diseases is extremely difficult. The clinician must often rely on combinations of clinical signs, clinical pathology, and experience to diagnose many bird diseases correctly. Many viral diseases are devastating to collections and have no cure, preventive program, or even well-documented modes of transmission. Some psittacine syndromes have yet to be definitively associated with a particular infectious agent. Get to know your local federal, state, and private diagnostic laboratories. Good relationships with other avian practitioners, both locally and through the Association of Avian Veterinarians can be extremely helpful. (See the article on sources of information.)

Animals↗
PubMed1991

Newcastle disease.

Since 1926, there have been three epizootics of ND. The latter two have been directly linked with psittacine species and Racing Pigeons. The modern poultry industry is extremely vulnerable to the effects of NDV, once it gains entry to any facet of the industry. Consequently considerable expense and effort are expended to keep the virus at bay. The main threat continues to come from psittacine species and racing pigeons. The considerable international trade in these birds, together with rapid air transport, can allow virulent NDV to gain entry to a country while exotic birds are incubating the disease. It is hoped that quarantine barriers and requirements will prevent the virus from entering a country, but smuggling continues and constitutes the biggest risk. Domestic avian pets are also vulnerable to the virus. It is hoped that new in vitro testing procedures, such as monoclonal antibody and oligonucleotide fingerprinting techniques, may be used to identify rapidly and characterize emergent virulent strains, so that appropriate measures may be taken to prevent infection of commercial poultry and domestic pets.

Animals↗
PubMed1991

Psittacine vaccines.

Vaccines for Pachecho's disease and Psittacine pox are described. Clinical trials of these vaccines are discussed, and vaccination recommendations are included.

Animals↗
PubMed1991

Pet avian medicine. Case reports.

Four case reports are presented. The first involves chronic lead toxicity in a Yellow-naped Amazon Parrot, which presented for a shoulder injury. The second discusses Aspergillosis in an African Grey Parrot following smoke inhalation and systemic antibiotic use. The third describes Chlamydiosis in a recently imported Amazon Parrot, and the final case concerns rhinitis/sinusitis in a cockatiel.

Animals↗
PubMed1991

Introduction to psittacine pediatrics.

These few subjects are only a small fragment of the scope of pediatric medicine but are critical in their impact. The depth of material needed to cover the subject adequately should fill a textbook. If, however, aviculturists could master these seven areas, the numbers of babies requiring medical or surgical therapy would decrease dramatically. The entire purpose of preventive medical management is actually the elimination of medicine as it is practiced today. That goal, as desirable as it is, is quite some time off, and education remains the key to improving the quality of the lives and future of our patients. Attention to detail and the comprehension of normal physiology of these nondomestic (and generally tropical zone origin) birds will lead to great inroads in understanding the true underlying cause of pediatric problems; improved patient recovery rates; and a better appreciation of the nebulous but critical relationships among potential pathogens, infection, disease, performance, and productivity. Given our truly limited technical position, the veterinarian who learns to use the environment for the patient's health is light years ahead of what you can purchase for the purpose of actively forcing the direction of a complex situation.

Animals↗