Before anything else make sure that your dog is dewormed, that is the prime reason why a dog never gain weight. There are variety of dry food products available in the market, just choose a right type required for your dog. One thing that is notable in the rottweiler is that it is important for them to gain height rather than weight. If his rib bones and hip bones are not noticeable that means that your dog does not require to gain weight.

Member 1107927 answered on 6/27/12. Helpful? / 0