Heterophil Function in Healthy Chickens and in Chickens with Experimentally Induced Staphylococcal Tenosynovitis

Astigmatism associated with experimentally induced myopia or hyperopia in chickens.

PURPOSE Astigmatism is a very common refractive error in humans, but its etiology is poorly understood. The primary purpose of this study was to determine whether alterations in visual experience would result in astigmatism in chicks. METHODS Longitudinal and cross-sectional data were obtained from chicks that were raised undergoing four different visual manipulations known to alter axial eye...

AN ABSTRACT OF THE THESIS OF MOHAMMAD ANWER for the degree of Master of Science in Veterinary Medicine presented on September 30. 1992 Title: Chemotactic Effect of Different Treatments on Heterophils From Healthy Chickens and Chickens With Staphylococcal Infection

Staphylococcal tenosynovitis and osteomyelitis are world-wide problems of broilers and broiler breeders. Avian heterophils are analogous to mammalian neutrophils but the granules appear to be Afferent. The main objective of the study was to compare heterophil chemotaxis using heterophil obtained from healthy and staphylococcal infected chickens. Commercial broiler chickens were obtained to serv...

Pharmacokinetics of tylvalosin in healthy and experimentally mycoplasma gallisepticum infected broiler chickens

A study of tylvalosin pharmacokinetics was conducted in healthy and Mycoplasma gallisepticum-infected broiler chickens. Tylvalosin was administered intravenously and orally at a dose rate of (25 mg/kg b.wt.) to determine its concentrations in blood as well as its kinetic disposition. The serum concentration time curve indicated a two compartment open model. Following intravenous injection, the ...

Experimentally Induced Changes in Nasal Mucous Secretory Systems and Their Effect on Virus Infection in Chickens

Chickens 3 wk old, inoculated intranasally with a mesogenic (moderately virulent) strain of Newcastle disease virus, developed necrotic lesions of the mucous acini, predominantly of the middle turbinates. The infection subsequently spread to involve much of the rest of the mucosa, including mucous and ciliated epithelial cells, and other acini. The early phase of adsorption of a virulent strain...

Isolation and Characlerization of Avian Retroviruses from the Cases of Malabsorption syndrome and Arthritis /Tenosynovitis in Chickens