Cardiac failure may occur in two forms: sudden heart failure or gradual cardiac failure characterized by lung anemia that causes death due to suffocation.Ewes may be given an injection of vitamin E/selenium prior to lambing to prevent deficiencies in lambs. In areas, such as Ontario, where lambs are highly susceptible to the condition, management practices should include vitamin E/selenium injections. Cattle
In dairy breeds, the disease may occur in calves between birth and 4 months of age. In rustic breeds or beef cattle, heifers and young steers up to 12 months of age can be affected. In calves, muscles in upper portion of the front legs and the hind legs are degraded, causing the animal to have a stiff gait and it may have difficulty standing. The disease may also present in the form of respiratory distress. Gallery
External links

Description of the disease in Merck Veterinary Manual


== References ==
Sodium phenylacetate/sodium benzoate, sold under the brand name Ammonul among others, is a combination medication used to treat high blood ammonia. It is a combination of sodium phenylacetate and sodium benzoate. References
External links
"Ammonul". Drug Information Portal. U.S. National Library of Medicine.