Economics of vaccination in a changing market

Mycoplasma hyopneumoniae induced enzootic pneumonia is a costly disease in grower pigs. For many years vaccination has been shown to be an appropriate tool to reduce both clinical signs and economic losses, but the benefit to cost relationship still needs to be carefully considered. During unprofitable market situations it is particularly questioned whether the benefits of vaccination justify the costs.     This article can also be found at Pig Progress Volume 19 number 5. To vi