The feeding of whole grain saves costs in feed manufacture and possibly in transport and may be used to facilitate a smoother transition of nutrient supply during the growing period. Whole grain feeding supports a better gut microflora, enhances digestive efficiency, and can improve litter condition. There is some evidence that the feeding of whole grain may increase coccidiosis resistance. These advantages must be set against the loss of carcass and breast meat yield. The whole grain used should be treated with organic acids to control Salmonellae spp., for which there will be a financial cost