The very first l link in that post you linked to has Howards Rodent control 101 post. The video post is great too but his 101 post is all you need.
Thanks for looking it up!
Oy vey.... why in the world don't people search the forums for solutions before posting? OP, search for "rats chickens mice" in either this pest and predator forum or in the feeding and watering forum or just search the entire site using those key words.
Find Howard E.'s posts on rodent...