All the information given here is our opinion, and we do not take responsibility for actions and/or outcomes anyone may take/get from reading the information given.
We strongly suggest that you do not give a bullmastiff ANY type of supplement as a pup for growth, it is not needed when a correct diet/lifestyle is given and can do serious, irrepairable damage to your pup.
This is Hector, a large dog, by anyone's standards - no supplements were needed!
Never overfeed your dog, an overweight pup puts too much strain on his growing joints and bones.
8. Ensure rewards for good behaviour and correction for bad behaviour are delivered immediately after behaviour, and beware of unintentionally rewarding bad behaviour - especially when the pup is attention seeking.
9. Teach the pup that it is normal to spend time alone from the start.
10. Ensure ALL family members and visitors to your home treat your pup in the same way.