Background: Streptococcus agalactiae is the main causal pathogen of bovine mastitis (BM), causing considerable economic loss to the dairy industry worldwide. Vaccines against S. agalactiae play an important role in preventing disease. Aims: The aim of this study was to evaluate the immunoprotection of S. agalactiae pilus isla...

Background: The affinity of an antibody to its antigen is a crucial parameter in its biological activity and performance of an immunoassay such as ELISA. Affinity of most IgG specific MAbs are often determined by methods which require labeling of either antigen or antibody, and are sometimes difficult to control, do not always lead to the expected signal and often result in immunological modifi...

aim : to evaluate the diagnostic value of helicobacter pylori stool antigen test before and after eradication background : there are different methods for diagnosis and follow up of helicobacter pylori infection, including invasive methods done with endoscopy and non invasive ones such as ubt and urine analysis antibody. one of non invasive new methods is analysis of helicobacter pylori stool a...

Heartworm infection is one of the most important parasitic diseases in dogs and an increasing number of cases are reported each year by necropsy in Ahvaz. This study was conducted to determine the prevalence of Dirofilaria immitisinfection and to investigate the risk factors related to heartworm disease in urban dogs in this area. Blood samples were collected from 100 dogs from Feb 2007 to Feb ...