is a poultry consultant in South Africa with 49 years of experience, of which 20 years on the African continent.
![Uniform hatching eggs of good quality is the result of good breeder management. Yet transport on the farm has to be a careful operation and have critical parameters, such as temperature and shocks. [Photo: World Poultry]](https://www.poultryworld.net/app/uploads/2021/04/001_662_rb-image-2706091-389x260.jpeg)
![Vaccination programmes vary tremendously, depending on many factors. [Photo: ANP]](https://www.poultryworld.net/app/uploads/2021/04/001_947_rb-image-2696891-389x260.jpeg)
