We always recommend slowly introducing raw diets over 2 weeks. The reason for this is to minimise any potential for stomach upsets which can happen if a change in diet is sudden. Some pets will have no issues with a quick changeover in diet, however to be sure, we do recommend slowly introducing the new food.
Day 1-3: 20% New 80% Old
Day 4-6: 40% New 60% Old
Day 7-9: 60% New 40% Old
Day 10-12: 80% New 20% Old
Day 12+: 100% New Diet
Simple transition to raw food with Chris Essex