BACKGROUND Congenital sensorineural deafness (CSD) occurs in Border Collies, but its prevalence and inheritance are unknown. This study estimated the prevalence of CSD in Border Collies and investigated its association with phenotypic attributes linked to the merle gene, including coat pigmentation and iris color. HYPOTHESIS Deafness in Border Collies is associated with pigmentation patterns ...

With this issue, Preventing Chronic Disease (PCD) begins its second year of publication. The expertise and enthusiasm of our authors, editors, reviewers, and board members enabled PCD to provide our readers with a unique view of public health and chronic disease in 2004: • Peer-reviewed articles of original research, community case studies, literature reviews, and special topics in public healt...

Border disease (BD) is a viral disease of sheep and goats first reported in sheep in 1959 from the border region of England and Wales, and since recorded world-wide. Distribution of the virus is world-wide. Prevalence rates vary in sheep from 5% to 50% between countries and from region to region within countries. Clinical signs include barren ewes, abortions, stillbirths and the birth of small ...

Exposure to Mycobacterium avium subspecies paratuberculosis (MAP) does not always lead to Johne's disease. Understanding differences in disease susceptibility of individual animals is a key aspect to controlling mycobacterial diseases. This study was designed to examine the susceptibility or resistance of various breeds of sheep to MAP infection. Merino, Suffolk first cross Merino, Border Leice...