hi, is there anyone who knows about dogs as i normally keep bitches,i have a 18mth old dog who just doesnt seem two be interested in anything ,apart from pissing up every tree and sniffing .he will chase ,but he stop and piss or sniff.would it help if i got the dog neutered.i heard they get fat ,and would it make him less game,not that hes very game anyway.hes from good lines,havent owned him from pup,only had him 4 weeks,he lovely looking dog ,big and strong like wanted ,also wanted to know ,if i breed him with a very game bitch ,would puppies take after the bitch or would they be like him,o