Comparing Animal Manure

One of the questions I get asked a lot in class is which animal's manure is better. So I did a little research, and here is an excellent article comparing different types of manures. A little US biased, but helpful nonetheless.

It says the chicken manure is the richest in nutrients, and without any NPK analysis, my mother told me the exact same thing last year, and saved the cleanings from my brothers chicken shed for me. There is a lot of folk knowledge flying around that is very valuable, ir seems....