Why is My Dachshund Losing Hair on Her Chest?

Pressure soresFriction (from a collar, for example)Nervous chewing or lickingTrauma and scarringChemotherapyPost-surgical clippingInfection(bacterial, yeast, or fungal)Ringworm (fungal infection)Sex hormone imbalanceCushing's diseaseAllergies (fleas, food, environmental, contact)Mites…