Thanks for your advice! I will make sure I stand by those tips as a guideline.
I should have been more specific:
I am planning to use this in an animated series. Possibly port this to Unreal 5 if I can refine it well enough – but if not then I will keep this in Blen der. I will be adding Geo Hair and experimenting with
I have been keeping at three edge loops for each joint, though the lower knee is a very tight angle so I have made it connect at one edge for two of the loops. The joints are my biggest issue, though I guess I am a little apprenhensive at moving on without knowing I am doing it right.
I am trying to attach the Blender file for clarity.
Else, the hooves are not abosolutely in line with the drawings. Though I have taken liberty with the Hooves and given them a flat bottom. I plan to inset the inside to simulate an actual Hoof. 
