Mules are generally known to have fertility problem. How often do mules give birth to a healthy offspring?

usually
about 50% chance
very rarely
never
Mules are con­sid­ered in­fer­tile, but there have been more than 60 doc­u­ment­ed cases of foals born to female mules around the world (some of them were even DNA-test­ed to verify the moth­er­hood). There are no recorded cases of fertile mule stal­lion­s.

Answers distribution

usually
about 50% chance
very rarely
never
answers
flagAustria
0%
16%
75%
8%
12
flagthe Netherlands
4%
9%
61%
23%
21
flagItaly
0%
7%
61%
30%
13
flagIndia
8%
13%
56%
21%
74
flagNorway
5%
11%
50%
33%
18
flagthe United States
2%
25%
48%
22%
295
flagPoland
5%
18%
46%
29%
8013
flagRepublic of Ireland
3%
23%
46%
26%
26
flagthe Philippines
0%
30%
46%
23%
13
flagDenmark
0%
27%
45%
27%
11
flagCanada
8%
30%
39%
21%
23
flagGermany
2%
22%
38%
36%
75
flagSwitzerland
0%
27%
36%
36%
11
flagSpain
0%
18%
36%
36%
11
flagthe United Kingdom
5%
26%
34%
32%
152
flagPakistan
0%
30%
30%
40%
10
flagSweden
14%
28%
28%
21%
14
flagFrance
0%
22%
27%
50%
18

Gender

men42%
women44%
usually
3%
4%
about 50% chance
18%
15%
very rarely
42%
44%
never
35%
35%

Language versions

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Mules are generally known to have fertility problem. How often do mules give birth to a healthy offspring?
554
47%

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Author: globalquiz.org
Illustration: Greg Westfall
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