Sick White Wing Dove

[Rachel25]

I have an injured white wing dove, a juvenile. Upon examination he appears to have an old injury to his chest which is scabbed over and very hard. He has a very swollen ankle joint on one leg and some swelling to his other foot. He also has a swollen wing joint. The swellings feel very warm to the touch. Could this be the result of bacterial infection? and if so does anyone think a course of Clavamox would help? I thought his poop might look green but it is a dark and white shade.