"Geochelone denticulata, feature a very different urinary biochemistry than do species from more arid environments such as Testudo graeca. In the former the ratio of excreted uric acid to ammonia is 6.7:6.00 and in the latter it is 51.9:4.1! " http://www.tortoisetrust.org/articles/drink.html
美國陸龜研究基金的文章列明
黃腿象龜制造的 尿酸:阿摩尼亞 比例為 7 : 6
黃金歐陸制造的 尿酸:阿摩尼亞 比例為 52 : 4
所以黃腿、紅腿、黃頭的尿很臭, 因為含高濃度阿摩尼亞!
盾龜應該會有更高比例的尿酸:阿摩尼亞