Jin Yipeng, Chen Si, Chao Yanqiao, Pu Tianchun, Xu Hongqian, Liu Xiaobin, Zhao Kaihui, Nie Yonggang, Wei Wei, Lin Degui
1 Clinical Department, College of Veterinary Medicine, China Agricultural University, Haidian District, Yuanmingyuan Xi Lu #2, Beijing 100193, People's Republic of China.
2 Beijing Zoo, Xicheng District, Xizhimen Wai Dajie #137, Beijing 100044, People's Republic of China.
J Wildl Dis. 2015 Oct;51(4):849-59. doi: 10.7589/2014-12-289. Epub 2015 Aug 17.
Eight adult (six male and two female) wild Qinling giant pandas (Ailuropoda melanoleuca qinlingensis) from China National Foping Nature Reserve were tracked, and their dental data collected and recorded from October 2010 to April 2014. Each panda had dental abnormalities of varying severity. Dental wear and fracture were the most common conditions. Absent teeth were common, with premolars missing most often. Mild caries were present in five molar teeth between two animals. Different degrees of dental plaque and calculus occurred in all animals but without severe periodontal disease. Two animals with severe dental abnormalities died due to intestinal problems. Large segments of bamboo were found in their intestinal tracts, and intestinal perforation and ulcers were evident, indicating dental abnormalities can be an important factor in the health of wild giant pandas and may lead to death. Further research with larger sample sizes of wild and captive giant pandas will be required to substantiate the relationship between dental abnormalities and mortality in giant pandas.
对来自中国佛坪国家级自然保护区的8只成年野生秦岭大熊猫（6只雄性，2只雌性）进行了追踪，并于2010年10月至2014年4月收集并记录了它们的牙齿数据。每只大熊猫都有不同程度的牙齿异常。牙齿磨损和折断是最常见的情况。牙齿缺失很常见，最常缺失的是前磨牙。两只大熊猫的五颗磨牙有轻度龋齿。所有大熊猫都有不同程度的牙菌斑和牙结石，但没有严重的牙周疾病。两只牙齿异常严重的大熊猫因肠道问题死亡。在它们的肠道中发现了大片竹子，肠道穿孔和溃疡明显，表明牙齿异常可能是野生大熊猫健康的一个重要因素，甚至可能导致死亡。需要对更多野生和圈养大熊猫样本进行进一步研究，以证实大熊猫牙齿异常与死亡率之间的关系。
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