This is not applicable during parvo case

There could be different reasons for a dog nail to turn black. One of them is the dog nail bed infections. Usually, claw infections caused by bacteria are responsible for making a dog nail black. However, a fungal infection could also be the cause behind nail discoloration.

Hello dear I hope you're doing great and by this time I hope your pet got recovered. Its good to exercise your pet in regular basis. More over feed in little amount and liquid diet. Oral electrolyte you can provide. For better understanding reach to your locality vet Dr to diagnose properly Thank you