Dogs and cats are the animals most commonly treated with flax seed oil. It is also used as a supplement in the feed of poultry and pigs. Pigs, like most humans, are able to convert ALA in flax into EPA and DHA. In poultry, specific concentrations of flax seed oil have been found to reduce the rate of infection and symptoms associated with intestinal parasitism. These effects do not require conversion of ALA to DHA and EPA, suggesting a similar potential...