For early game .. just tame Dung Beetles… at least 2 or 3 is enough… put in close area… give dino poop and some spoiled meat… make them wandering… and u will get oil.. at least 4 and also get fertilizer from poop that u give just know… save ur time and can gather oil to make jerky meat… u will get ton of fertilizer and not need to make fertilizer bin…