nodular disease of the intestine, due to young nodular worms which burrow in the intestinal wall during a certain stage in their life history, sometimes apparently produces serious effects, particularly in young cattle, but commonly has little or no perceptible influence on the general health.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The adult nodular worms apparently do not attack the wall of the intestine, but derive their nourishment from the intestinal contents.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In the more advanced stages it becomes more firm, and may contain nodular and firmer masses disseminated through it.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler