* Preventing diseases? There are many preventive measures to keep cows healthy, such as vaccinations, proper hygiene, parasite control, and nutrition.
* Preventing injuries? Safe handling practices, good fencing, and adequate space are important for preventing injuries in cows.
* Preventing environmental damage? Sustainable farming practices like rotational grazing and managing manure can minimize environmental impacts.
* Preventing milk contamination? Proper milking procedures and hygiene are crucial for maintaining milk quality.
Please clarify your question so I can give you the most helpful information.