It could be due to the food change, or it could be what they call "winter nose"
Depending on where you live. In the winter when dogs don't get as much sunlight the pigment fades a bit. Then when the summer comes it darkens up again.
This is seen alot in light coated dogs.
Depending on where you live. In the winter when dogs don't get as much sunlight the pigment fades a bit. Then when the summer comes it darkens up again.
This is seen alot in light coated dogs.
