Weaner Education - A Training video for your staff - Part 3 - Weaner Education 

I have 2 cows, about 5 years old, 2 bulls about 6 months old, and 5 heifers ranging from 3 months old to 1 year old, and one of the youngest and smallest heifers is very shy, and tends to be very shy and doesn't join the rest of the herd for feeding unless I specifically encourage her. I have to corral her into the feeding pen with the others most of they time, but she does eventually go in with the rest and eat the sweet feed, but the two bulls tend to bully and head-butt her and push her off the feed. Is this normal for calves to do, and is there a way I can train them out of the 'bullying' tendencies?