The cats were treated at an emergency veterinary hospital for severe respiratory distress. (waterlooanimalhospitalok.com)
If a dog is in severe respiratory distress as a result of emphysema, it may need to be hospitalized and either placed in an oxygen cage or provided concentrated oxygen with a mask or through a nasal oxygen catheter. (petwave.com)
A parasitic infection, Sarcocystis can cause severe respiratory distress in birds. (thesprucepets.com)