Characteristics
The burro is a small donkey. A study of working donkeys in central Mexico found a weight range of 50–186 kilograms (110–410 lb), with an average weight of 122 kg (270 lb) for males and 112 kg (250 lb) for females. Height at the withers varied from 87–120 cm (34–47 in), with an average of approximately 108 cm (43 in), and girth measurements ranged from 88–152 cm (35–60 in), with an average of about 120 cm (47 in). The average age of the burros in the study was 6.4 years; evaluated by their teeth, they ranged from 1 to 17 years old.
Mexican burros tend to be smaller than their counterparts in the USA, which are both larger and more robust. To strengthen their bloodstock, in May 2005, the state of Jalisco imported 11 male and female donkeys from Kentucky.
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