| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Heather blindness | Biology & Biotechnology | The common infectious keratitis of cattle caused by Heamophilus (Moraxella) bovis. It occurs as outbreaks, characterized by ocular discharge, blepharospasm and pain; an eye disease of sheep and goats involving inflammation of the conjunctiva, which progresses to corneal ulcers and blindness. The condition occurs worldwide and is contagious, being associated with a number microorganisms, although Chlamydia psittaci ovis and Mycoplasma conjunctivae are the most commonly isolated pathogens. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
