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
Which Bridge to Cross (Which Bridge to Burn) Which Bridge to Cross (Which Bridge to Burn) "Which Bridge to Cross (Which Bridge to Burn)" is a song co-written and recorded by American country music artist Vince Gill. It was released in January 1995 as the fourth single from the album "When Love Finds You". The song reached number 4 on the "Billboard" Hot Country Singles & Tracks chart. It was written by Gill and Bill Anderson. Deborah Evans Price, of "Billboard" magazine reviewed the song favorably calling it a "classic slow country waltz." She goes on to say that the song "makes optimum use of those classic changes