Severe March weather causes problems for Scottish hill farmers • •

Metabolic disease in sheep associated with severe weather Highly pathogenic avian influenza virus isolated from a dead whooper swan in Cellardyke Traumatic reticulitis in dairy cattle Severe pneumonia due to infectious bovine rhinotracheitis in a dairy herd First recorded case of haemonchosis in Orkney First of this year’s cases of Nematodirus species infections in growing lambs – These are among matters discussed in the disease surveillance report for March from Scottish Agricultural College Veterinary Services ( SAC VS )