In animal husbandry one of the key to success is to obtain quality seeds used, the seedlings have good quality, good genetic, physical characteristic of the good. With the seeds of good quality and it will improve livestock productivity results from the purpose of the business is run, but the seeds are not the only factors that determine the success of animal husbandry.
One of the factors that affect the quality of seeds produced is genetic and linkungan, seeds of which are used in cattle can be derived from the seeds of the (local) and seeds from overseas, depending on the destination of whether the product will be used as an end or be developed again. To produce seeds that can be done better in several ways:
Conducting Selection
Selection is done to select cattle that are considered to have a good quality genetic dikembangbiakkan for more information and to select cattle that are less good to be removed and kept separated from the seeds of good. Penselekian can be done with a view genetic and physical nature of the cattle.
In marriage Cross
In the cross is the marriage between two individuals who still have cattle relationship of kinship (family). The objectives of the cross in this is to find the (yield) is identical individuals. For example Cattle Simental dikawinkan with limosin nation that will generate growth in both the growth, but if done continuously crossing will produce descendants that are less good.
Foreign Marriage Cross
The definition of marriage here is cross outside marriage between two individuals who have no family relationship, marriage can be in one nation. The main purpose of cross outside this is to combine the attributes that are different in the two nations into one nation. For example, Brahman cattle (Bos comes from the nation indicus) cattle dikawinkan with Limosin (derived from the nation Bos Taurus), the descendants will have produced the nature of the good level of growth and adoption of environment and have a good feed.
