Professor Kyriazakis specialises in the effects of animal management on their performance, ability to cope with challenges, such as pathogens, and environmental impact. He has worked with a variety of animal species ranging from mice to cows. His recent work addresses: 1) effects of nutrition on the ability of animals to cope with pathogens; 2) use of alternative and home grown feeds for livestock systems; 3) development of methods to assess the environmental impact of local and global livestock systems.