Systems of marriage.. Internal Education. Linear Education. Mix the breeds

After selecting the animals that will become parents of the next generation, the breeder should choose the appropriate mating method for his improvement programs. The mating system depends on the type of animal, the number of herds, the type of traits or traits to be improved and the average of the herd.
  The most important methods of mating:
- Inbreeding
- Line Education (Line Breeding)
- Crossbreeding breeds.