There are four main causes of discrete swellings on the heads of cattle: feed impaction, abscess, lumpy jaw and wooden tongue. Here is how to recognize these causes and determine how to intervene.

PASS "LUMPY JAW" BEEF.; Only 12 Out of 120 Infected Carcasses Condemned in Chicago.

K-State beef cattle veterinarians describe lumpy jaw, wooden tongue and cancer eye. As grasses within a pasture mature, various physical changes occur, which impact the cattle grazing them.

An example: The animals will happily (and adorably) nibble away at a visitor's vegemite sandwich, but the bread "sticks between their teeth,which can later cause an infection called lumpy jaw ...

Lumpy jaw, or actinomycosis, is a bacterial disease caused by invasion of the jaw by Actinomyces bovis. This bacteria exploits damage to the inside of the mouth caused by stemmy feed, ...