je.st
news
TAKE STEPS TO KEEP HERD'S IMMUNE SYSTEM HEALTHY
2018-09-10 18:46:14| Cattle Today
No, the germ theory is still alive and well and scientific fact. The theory states that many infectious diseases are caused by microorganisms such as bacteria and viruses. It was proposed as far back as the 16th century, but not until Louis Pasteur's research in the mid-1800s demonstrated a relationship between germs and disease did the theory actually gain acceptance.
Tags: system
steps
healthy
immune
Category:Agriculture and Forestry