Ovine pulmonary adenocarcinoma be predisposed to OPA. Most affected sheep show signs at 2 to 4 years of age. OPA is not a notifiable disease, and therefore it is difficult to assess its prevalence. OPA was first described in the UK in 1888, and described in detail in South Africa in 1891. The disease was initially known as "jaagsiekte" , a word derived from Afrikaans, meaning "chasing sickness," so called because animals are in respiratory distress as if they are out of breath from being chased. It has also been known as sheep pulmonary adenomatosis and ovine pulmonary carcinoma. OPA has been used
Global Animal Partnership animal product — when in fact they ensure no such thing." The case was dismissed in April 2016 on the grounds that PETA had not shown that Whole Foods' alleged misrepresentations defrauded consumers. According to Judge Nathanael Cousins, "Retailers do not have a duty to disclose product information unless it relates to a consumer safety issue", and PETA had not raised any safety concerns. In January 2016, a number of animal activist groups including DxE, PETA, Last Chance for Animals, and the Christian Vegetarian Association signed an open letter to Whole Foods condemning GAP's rating system. Global Animal Partnership The