Yes, especially in very young birds. If día meter is too Big they will ETA less. On the other hand pellet quality use to be better with small pellet size. Finally, less still age with good quality pellets. Less differences in broilers with age
Yes I agree, I work with ruminants and even with them in a feedlot, the dry matter intake is affected by the size and nature of the pellet. In monogastric animals is more important.