Robert (1725–95), English pioneer in scientific methods of livestock breeding and husbandry. He produced pedigree herds of sheep and cattle and increased the meat production from his animals through selective breeding
贝克韦尔，罗伯特（1725—1795，英国科学饲养家畜的先锋，培养出纯种牛羊并通过选择配种提高了家畜的产肉率）