Practical Tools to Measure and Monitor Variation
Variation can be a major issue on large dairy herds in the Western US. Too much variation is definitely bad, leading to fluctuations in production and health disorders, claims reserach by W.K. Sanchez, Ph.D., J. Mikus, Ph.D., and W. C. Stone, DVM, Ph.D. Diamond...

Some Ways To Indentify Beef Cattle
By Oklahoma Cooperative Extension Service, Division of Agricultural Sciences and Natural Resources