New World Screwworm
New World screwworm, a serious zoonotic disease with potentially devastating consequences to livestock and to the human food supply, has appeared in Central America and Mexico. This parasite, endemic to South America, was previously eradicated from North America but has now reemerged as a significant threat to both animals and humans. Read more about the resurgence of this deadly pest.
Bloat in Ruminants
Bloat is an overdistention of the rumenoreticulum with the gases of fermentation, either in the form of a persistent foam mixed with the ruminal contents, called primary or frothy bloat, or...
Rift Valley Fever in Animals
Rift Valley fever is a peracute or acute mosquito-borne zoonotic disease of domestic and wild ruminants, largely confined to sub-Saharan Africa but with high potential for wider transmission. It is characterized by abortions and neonatal mortality in ruminant animals. Diagnosis depends on histopathological examination of samples of the liver and identification of the virus in tissues. Effective vaccines are available.
Contagious Footrot in Sheep
When there is invasion by Dichelobacter nodosus of interdigital dermatitis, contagious footrot results. Whereas in Australia, footrot is separated into benign or virulent categories,...
Medical Myths Avian Flu
Common Pet Emergencies First Aid Kit
Test Your Knowledge
View AllAvian Influenza
Influenza A viruses are divided into 17 hemagglutinin subtypes (H1-16, H19). Which of the following subtypes is most likely to cause a highly pathogenic form of avian influenza in poultry?
Dog with anorexia, lethargy, and vomiting
