It also causes the same symptoms in young animals calves and piglets it has been tested to great sucess in the U.S.A and third world countries.The vacine is given oraly to infants and will start in this country next year.The virus is also imune to acid in the gut so much for cider vinegar.
Nothing to do with the route it is the contiuose east winds that is taking its toll they dont like it up em But i must say it beggars belief as to how those birds were liberated it was nothing but a total balls up