Has anybody heard of it, it supposedly as well as veterinary includes texts on horse training. If someone was interested in finding evidence for training horses to bite and kick as in the text you might find it here. I didn't see any online version after a bit of google-fu, I wonder if there's even an english translation, which for me personally would be preferable since my Latin is merely the classical school Latin, cogito ergo sum, bibo ergo cogito, bibo ergo sum.
nay king, nay quin we willnae be fooled again!
Terry pratchet, the wee free men: