Genetic Engineering of Milk Proteins

摘要: Changes in the productivity, composition or appearance of plants and animals have, traditionally, been achieved by means selective breeding, drawing upon naturally occurring variations within gene pool a species. Many commercial plant species such as cereals members brassica family bear very little resemblance to their ancestral forms productivity is substantially higher. with domesticated are less dramatic but, conjunction improved animal husbandry, breeding has so successful increasing milk yield dairy cattle that European Union, quotas have had be imposed order limit surpluses. By use artificial insemination embryo transplants, an individual bull desired characteristics can produce thousands offspring.