there are two pups in a liter of 9 that are vomiting, and both can't drink water without throwing it up. Could this be a genetic problem? They are both 11 weeks, very active and playful, but are the smallest of all the pups. They are loves to eat and drink, but can't keep anything down. Please help
Optional Information:
Age: <1; Male; Breed: chocolate lab
Already Tried:
parvo test, fecal exam. and antibotics.