2023年12月,在云南省红河哈尼族彝族自治州弥勒市西三镇(103°24′24″E,24°31′15″N,1781 m)发现1只白化滇绒鼠Eothenomys eleusis,耳椭圆形,上颌M3具有4个内侧突和3个外侧突,第3横叶及其根部较短,下颌M1三角突相通,并成对排...2023年12月,在云南省红河哈尼族彝族自治州弥勒市西三镇(103°24′24″E,24°31′15″N,1781 m)发现1只白化滇绒鼠Eothenomys eleusis,耳椭圆形,上颌M3具有4个内侧突和3个外侧突,第3横叶及其根部较短,下颌M1三角突相通,并成对排列,M1较大,M3最小。动物白化主要表现在眼睛、皮毛黑色素的减少或缺失,分为部分白化和完全白化,完全白化个体的虹膜大多数为红色(Simeonov et al.,2013;Liu et al.,2021)。展开更多
From 2003 to 2004,the seasonal changes in digestive tract morphology in Eothenomys melanogaster from Yiwu,Zhejiang Province were determined.Significant seasonal variations were found in length,wet and dry weight of to...From 2003 to 2004,the seasonal changes in digestive tract morphology in Eothenomys melanogaster from Yiwu,Zhejiang Province were determined.Significant seasonal variations were found in length,wet and dry weight of total gut.The results showed:winter>spring>summer>autumn in length;spring>winter>autumn>summer in wet weight;and winter>spring>autumn>summer in dry weight.For the separate organs of the total gut,stomach did not change seasonally except for length which was the longest in winter.The wet and dry weights of small intestine showed significant changes among different seasons.The results were:spring>autumn>winter>summer in wet weight;and winter>spring>autumn>summer in dry weight.No significant seasonal variation was found in length for small intestine.The wet weight of caecum showed significant seasonal changes and increased significantly in winter and spring.No significant seasonal variations were found in dry weight and length for caecum.Seasonal acclimatization caused large intestine to change dramatically,being larger in spring and winter than in the other two seasons.Our results showed that different organs showed different responses and changed by different magnitudes,to the seasonal acclimatization.This suggests that the adjustments in capacity and size of the gastrointestinal tract play an important role in their digestive strategies of Eothenomys melanogaster in the natural environment.展开更多
文摘2023年12月,在云南省红河哈尼族彝族自治州弥勒市西三镇(103°24′24″E,24°31′15″N,1781 m)发现1只白化滇绒鼠Eothenomys eleusis,耳椭圆形,上颌M3具有4个内侧突和3个外侧突,第3横叶及其根部较短,下颌M1三角突相通,并成对排列,M1较大,M3最小。动物白化主要表现在眼睛、皮毛黑色素的减少或缺失,分为部分白化和完全白化,完全白化个体的虹膜大多数为红色(Simeonov et al.,2013;Liu et al.,2021)。
文摘From 2003 to 2004,the seasonal changes in digestive tract morphology in Eothenomys melanogaster from Yiwu,Zhejiang Province were determined.Significant seasonal variations were found in length,wet and dry weight of total gut.The results showed:winter>spring>summer>autumn in length;spring>winter>autumn>summer in wet weight;and winter>spring>autumn>summer in dry weight.For the separate organs of the total gut,stomach did not change seasonally except for length which was the longest in winter.The wet and dry weights of small intestine showed significant changes among different seasons.The results were:spring>autumn>winter>summer in wet weight;and winter>spring>autumn>summer in dry weight.No significant seasonal variation was found in length for small intestine.The wet weight of caecum showed significant seasonal changes and increased significantly in winter and spring.No significant seasonal variations were found in dry weight and length for caecum.Seasonal acclimatization caused large intestine to change dramatically,being larger in spring and winter than in the other two seasons.Our results showed that different organs showed different responses and changed by different magnitudes,to the seasonal acclimatization.This suggests that the adjustments in capacity and size of the gastrointestinal tract play an important role in their digestive strategies of Eothenomys melanogaster in the natural environment.
