| | 皮特兰猪 20 | | 1919 | 1955 | | | | | | | | | | | | | | | 100 | 9.7 | 66.9％ ~ 70％ | 10 | 700 | 1∶2.65 90 | | | | | | | 皮杜 杜皮 | | | | | | | · | |