|| Genetic testing with bulls. In the United States the genetic base is changed every five years. They look at the any changes that there have been and depending on that they make the modifications in the genetic base. The consequences that that will have. They are trying to bring out something that everyone can use but it seems to be difficult. It is difficult to make comparisons as the requirements for each place are different.Genetics is very narrow. All are descendants of a very few bulls.In the States they are always a step ahead and they work on that.Stories of clonations and experimentations.