If it is a boa, then it should kill with constriction, now venom, boas kill with constriction, vipers kill with venom.

Use ranged weapons against titanoboas and watch your surroundings as the can team up and knock you out.

If you see one of these don't just run. Turn around walk backwards while using a pike to poke it in the eyes. Keep your distance well and you'll kill it without even taking a hit.

To collect eggs, build a 2 room pen (Dino gates work great as walls and dividers). Agro a bunch of TBs and lead them to one side of the pen then trap them in. Lead them back and forth between the sides as they drop eggs.