I suspect the artillery used whatever horses that were available in the area.
Especially after a war takes off and several battles were fought... But during extended periods of peace, I would expect some planning for horse supplies.
Good morning. Very nice Stalinets tractors, Hudo (the future carriage of a soviet 203 howitzer? ;) ). And also a very well drawn Morris lorry, Pegasus, especially the well detailed 2 pounder gun. I have a problem with a victorian field gun: the tractor (well, tractors, because there are 6 horses pe...