Dr Bracke also looked at other hoofed animals, such as deer.
马克博士也观察了其它有蹄动物，比如鹿。
"If so, wallowing could be an important element of a good life in pigs," said Dr Bracke.
“如果是这样的话，在水里打滚可能是猪美好生活的重要部分。”马克博士说。
But more fundamentally, Dr Bracke suggests the behaviour could have evolved in pigs' most ancient relatives.
但更重要的是，马克博士提出猪此种行为演变形成于猪最古老祖先。
"Pigs are genetically related to particularly water-loving animals such as hippos and whales," Dr Bracke said.
“猪的遗传基因与一些特别爱水的动物有关，如河马和鲸。”马克博士说道。
That analysis has led Dr Bracke to propose that mud wallowing, like rolling, could play a role in reproduction in pigs.
马克博士分析认为，猪在泥巴里打滚，像鹿在地上滚一样，都能扮演繁衍后代的角色。
Cast commentary on Friday the 13th - Part 3 by author Peter Bracke and actors Larry Zerner, Paul Kratka, Dana Kimmell and Richard Brooker.
十三号星期五演员评论-第三部作者彼得·布兰克和演员拉里·泽尼，保罗·克拉卡，达娜·凯米尔和理查德·布诺克。
Cast commentary on Friday the 13th - Part 3 by author Peter Bracke and actors Larry Zerner, Paul Kratka, Dana Kimmell and Richard Brooker.
十三号星期五演员评论-第三部作者彼得·布兰克和演员拉里·泽尼，保罗·克拉卡，达娜·凯米尔和理查德·布诺克。
应用推荐