Hm, that bull has cuneiform and hieroglyphs on him.
The only 2 I can identify on his horn:
M17 reed (maybe second under, not visible) - funny, because it translates to the 'y' alphabet.
https://en.wikipedia.org/wiki/List_of_Egyptian_hieroglyphs
Second looks like a ugaratic cuneiform letter 't'.
https://en.wikipedia.org/wiki/Ugaritic_alphabet
More on cuneiform:
https://en.wikipedia.org/wiki/List_of_cuneiform_signs
Josef Mengele used twins for his experiments