3 ms·

By about 30% between 1975 and 2005. https://www.beefmagazine.com/genetics/0201-increased-beef-cows https://www.beefmagazine.com/genetics/0201-increased-beef-co

By about 30% between 1975 and 2005. https://www.beefmagazine.com/genetics/0201-increased-beef-cows https://www.beefmagazine.com/genetics/0201-increased-beef-co...