Question
Most animal drugs have not been tested or approved for use in young calves. Drugs given to these animals may be metabolized differently than mature cattle because __________.
Calves' muscle tissues are underdeveloped
Calves are given colostrum, which is rich in antibodies that may interfere with the drug activity in the calves’ bodies
Calves have an immature digestive system and lack a functional rumen
All of the above
Dairy cows complete the cycle of breeding, calving and milking continuously throughout their life. Most complete between _________ of these cycles before they are removed from the milking herd.
1 to 2
3 to 5
6 to 8
9 or more
Module 1 - Assessment
Livestock Production