通过数字图像分析技术, 测量和计算种猪的投影面积, 并分析其与体重的相关性, 为种猪体重测量提供了

新的依据-a new method w hich applies computer visio n technolog y to pig production. T he projected im ag e ar ea o f pigs when

viewed　ectly　above w as com puted. The pig w eig hts w ere estimated by the linear regression of the pig real

areas.