Techs:
1. War elephants (Military) : It's not animal cruelty I swear
2. Elephant tusk coverings (Military) : It's not animal cruelty I swear
3. Spurs (General) : It's not animal cruelty I swear
4. Bookbinding (General) : (Ok this definitely this definitely isn't animal cruelty)
5. Food preservation : It's only animal cruelty if the food being preserved is meat which it probably is
6. Gyros (Cultural) : It's not animal cruelty I swear
7. Arab pastries except for Knafa (Cultural) : (these actually aren't animal cruelty either)

Trades :
8. Lorica segmentata
9. Lamellar armour
10. Pentenconter

(From Zeon : for ship-mounted ballistae, vet medicine, and cavalry maces)