Yes there are ~90 million head of cattle in the US. Of that we are down to ~28 million beef cows-the lowest number in over 50 years. Dairy cattle numbers are fairly constant at ~9 million head. The rest are calves and yearlings being grown for slaughter or replacement females. ~12 million cattle...
I agree that research needs to continue. An effective vaccine or another form of treatment could potentially be developed in the future. Bacteria/viruses/and other microorganisms have been around forever and have an amazing ability to survive despite our best efforts to eliminate them. A very...
Mycoplasma species bacteria are one of the smallest bacteria known to reproduce on their own. They do not have a cell wall like most other bacteria do. This makes creating a vaccine extremely difficult as there is little structure to stimulate an immune response. Lack of a cell wall also makes...