DEVELOPMENT
Despite the best efforts of several teachers to spread the use and application of the techniques of artificial insemination in Mexico, the use by small farms has been minimal to what is desirable, in comparison with the large dairy farms that have the means to hire technicians veterinary medical or full-time.
With the Ing. Malcolm Niven, Dr. Marco A. Hidalgo had the opportunity to experiment and expand its work in the use of hormones for synchronization of the estrous cycle and the undertake the challenge of technical "The El Torito" during the years of 1966 to 1970.