Which of the following cannot harm the cattle?

Large farm animals kept for their milk or meat are called cattle. 

Pathogens like endoparasites cause damage to the intestine.

Liver flukes, caused by the parasite Fasciola hepatica are a type of endoparasite that lives within the liver and bile of contaminated cattle. They can harm cattle by causing liver damage and inflammation, which can lead to decreased productivity and even death. 

Veterinary check-ups are routine examinations of animals, including cattle, by veterinarians to assess their overall health and well-being.