Question

Over the past 50 years, many researchers and farmers have been selectively breeding cattle to be more resistant to diseases. based on your knowledge of host-pathogen interactions, animals that are more resistant to disease have

Answer 1

These animals have genetic resistance to the diseases. This is attributed a process of selective breeding, which assists an animal in getting a better genetic disposition to ward of disease. They look at breed, genotype, and environmental interactions when deciding which cattle to breed.