Material: Steel This automatic straw crusher uses tractor output and electricity as power; The discharge port is equipped with a screen (adjustable size) and a conveyor belt as option; The internal hammer design can crush hay, long grass, straw bales, etc., both dry and wet grass can be crushed. 1. It can crush raw materials such as grass and straw into 5-10 cm kneaded silk, making it easier for cattle to eat, increasing the contact area between the rumen and the feed, and facilitating rumination and absorption. 2. Crush the grass in advance and then put it into the TMR mixer for mixing, which can greatly reduce the mixing time and improve work efficiency.