The young rottweiler undergoes a long and intense growing period that lasts until it is 18 months old he needs a special dog food to meet his nutritional needs during this time and helps bones and muscles to develop healthily high quality proteins vitamins and anti oxidants support harmonious growth of the rottweiler puppy strengthen the immune system and aid digestion the rottweiler is an athletic dog with strong jaws the ideal guard dog it has a short black coat with a partially brown