That was kind of the point here - more than the machine controlling aliens could ever eat. They circled around a truck stop for crying out loud. The idea behind my tiny brain gag is that they push the ship beyond what it is capable of to fend off the alien virus that might have taken hold.
Chicken coops have a ramp for the entrance, so when building it, you need to know the length of the ramp required for the desired angle, as well as making the"rungs" (I don’t know what they are actually called) on said ramp flush with the ground.