When did it all start? What triggered the problem? - Exploring aetiolgies is a really important feature of what goes wrong with livestock. Aetiolgy is the challenge that comes along to rock the boat. By understanding these challenges and the individuals that can be susceptible, you will be able to help them manage better. As ever the aim is to avoid the treatment zone where possible. By knowing your aetiolgies well, then you will be able to make more effective choices for prevention and ealry intervention.