Data base and analysis for animal improvement, assisting selection programmes in beef and dairy cattle, so that economically important traits can be improved with each generation, with better average performances for traits such as age at first calving, calving interval, reproductive efficiency, and milk production. Such data analysis can better guide selection criteria.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.