The true stomach of ruminants is called

A. abomasum

B. omasum

C. reticulum

D. rumen

In animal production, disease causing organisms are generally called.

A. parasites

B. pathogens

C. pests

D. vectors

The introduction of semen into the reproductive tract of female farm animals without copulation is called.

A. pasture mating

B. natural insemination

C. hand mating

D. artificial insemination