____________________ is a chronic disease affecting the head area, seldom resulting in death, that ...

____________________ is a chronic disease affecting the head area, seldom resulting in death, that
  can cause economic loss because of the affected body parts condemned when the animal is harvested.

____________________ is a chronic but seldom fatal disease in cattle whose symptoms include the
  tongue becoming hard and immobile.

An organism that affects the genital tract of the bull and is transmitted to the cow during breeding is
  called ____________________.

____________________ is a disease whose symptoms are inflammation in the vagina and swelling of
  the vulva.