Selective breeding in domesticated animals is the process of a breeder developing a cultivated breed over time, and selecting qualities within individuals of the breed that will be best to pass on to...
Breeding is just breeding any pair of parents together to get offspring, whereas selected breeding is choosing a certain set of parents and targeting a few specific traits you want the offspring to...
Math is a very useful tool in animal breeding when trying to figure out the probabilities and possibilities of the kind of offspring a particular cross will produce. Ratios and percentages are...