by W. Marvin Mackie, D.V.M. March 2003 In an October 2002 article about the national Animal Birth Control program in India,  entitled “Get 70% or flunk”, ANIMALS 24-7 editor Merritt Clifton mentioned the Fibonacci 70% rule.  His writing piqued my interest to the point that I asked him for further clarification,  and then conducted some research of […]