#55144 Constant Troyon (1810-1865)

The picture has something of this: mammal, cavalry, cattle, livestock, farm, agriculture, desert, herder, herd, two, animal, cow, grass, grassland, outdoors, pasture, cowman, goat, antelope.
Perhaps it’s a painting of a herd of cattle standing on a dirt road next to a wooded area with trees and a dog on the side of the road.