Hey guys my puppy rocky sounds like he has a hard time barking its really low almost like a grunt.. you can barely hear it he sounds like he has breathing problems but when i took him to the vet for his shots an stuff i told the lady an she checked his lungs an said his breathing is ok.. So i dont know he grunts a lot when he get real excited an plays kinda like a snort..have any of yall had any similar problems?? If so help me out please thanks Adison..