Breeding Systems for Beef Production
نویسنده
چکیده
Pedigree. All individuals in a genetic population (such as a herd, family line, or breed) are related to some extent. One pedigree plan mates individuals more closely related than the average of the population; it is termed inbreeding. Long-term inbreeding in a closed herd may increase genetic uniformity, but inbreeding usually reduces performance, especially in fertility and survival. This is called inbreeding depression. One type of inbreeding is linebreeding, which is used to concentrate the genetic influence of some line or individual while minimizing increases in inbreeding.
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