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
Animal hoarding animal agencies must provide proof of cruelty to each animal, matching each animal with its count number. Charging the hoarder with only one count reduces the burdens on the system, the prosecutors, and the animal agencies, but undermines the severity of the charges. Currently, only two states have animal hoarding specific laws: Illinois and Hawaii. Passed in 2001, the Illinois Humane Care for Animal Act was amended to include a definition a companion animal hoarder and mandated psychological counseling for animal hoarders who violate Section 3. A person convicted of violating section 3 of the Act (which requires the provision