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%
14%
71%
14%
14
flagUkraine
0%
16%
66%
16%
12
flagIndia
8%
15%
55%
20%
90
flagthe Netherlands
3%
15%
53%
28%
32
flagNorway
5%
11%
50%
33%
18
flagDenmark
0%
21%
50%
28%
14
flagPoland
5%
18%
47%
28%
11656
flagItaly
0%
21%
47%
31%
19
flagthe United States
2%
25%
46%
25%
344
flagCzech Republic
0%
15%
46%
38%
13
flagRepublic of Ireland
6%
20%
43%
30%
30
flagthe Philippines
0%
35%
42%
21%
14
flagCanada
11%
29%
40%
18%
27
flagSpain
0%
15%
38%
38%
13
flagUnknown
3%
20%
37%
37%
381
flagthe United Kingdom
4%
22%
37%
33%
224
flagGermany
2%
19%
37%
39%
107
flagSweden
8%
21%
34%
30%
23
flagFrance
0%
19%
30%
50%
26
flagSwitzerland
7%
30%
30%
30%
13

Gender

men38%
women43%
usually
3%
3%
about 50% chance
19%
16%
very rarely
38%
43%
never
37%
35%

Language versions

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answers
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Mules are generally known to have fertility problem. How often do mules give birth to a healthy offspring?
669
46%

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Author: globalquiz.org
Illustration: Greg Westfall
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