OMIA:000564-9796 : Intersex in Equus caballus

In other species: cattle , dog , goat , pig , sheep , water buffalo , argali , bighorn sheep , American mink , Western roe deer , raccoon dog , gray short-tailed opossum , domestic cat , tammar wallaby , llama

Categories: Reproductive system phene

Links to MONDO diseases: No links.

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: A mixture of male and female characteristics. Often due to an abnormality of the sex chromosomes.


Note: the references are listed in reverse chronological order (from the most recent year to the earliest year), and alphabetically by first author within a year.

2021 Nogueira, P.P.O., Amorim, G.B.A.G., Oliveira, O.M., Demyda-Peyrás, S., Santos, B.M., Mota, L.S.L.S.D. :
Sex reversal syndrome in an Egyptian Arabian horse detected using genomic data - A case report. J Equine Vet Sci 104:103692, 2021. Pubmed reference: 34416985 . DOI: 10.1016/j.jevs.2021.103692.
Pirosanto, Y., Laseca, N., Valera, M., Molina, A., Moreno-Millán, M., Bugno-Poniewierska, M., Ross, P., Azor, P., Demyda-Peyrás, S. :
Screening and detection of chromosomal copy number alterations in the domestic horse using SNP-array genotyping data. Anim Genet 52:431-439, 2021. Pubmed reference: 34013628 . DOI: 10.1111/age.13077.
2001 Selders, C.G., Hendrickson, D.A., Bowling, A.T., McCue, P.M. :
The use of laparoscopy to diagnose a case of equine intersex: A case report Journal of Equine Veterinary Science 21:547-549, 2001.
2000 Buoen, L.C., Zhang, T.Q., Weber, A.F., Ruth, G.R. :
SRY-negative, XX intersex horses: the need for pedigree studies to examine the mode of inheritance of the condition Equine Veterinary Journal 32:78-81, 2000. Pubmed reference: 10661390 .
1998 Toth, J., Hollerrider, J., Scheidemann, W., Kovac, M. :
Masculine (testicular) pseudohermaphroditism and concurrent cryptorchidism in a horse [Hungarian] Magyar Allatorvosok Lapja 120:579-581, 1998.
1995 Milliken, J.E., Paccamonti, D.L., Shoemaker, R.S., Green, W.H. :
XX male pseudohermaphroditism in a horse Journal of the American Veterinary Medical Association 207:77-79, 1995. Pubmed reference: 7601700 .
1990 Leadon, D.P. :
When Is a Filly Not a Filly Equine Veterinary Journal 22:149, 1990. Pubmed reference: 2361499 .
Power, M.M., Leadon, D.P. :
Diploid - Triploid Chimaerism (64,XX/96,XXY) in an Intersex Foal Equine Veterinary Journal 22:211-214, 1990. Pubmed reference: 2361512 .
1989 Moreno-Millan, M., Delgado Bermejo, J.V., Lopez Castillo, G. :
An intersex horse with X chromosome trisomy Veterinary Record 124:169-170, 1989. Pubmed reference: 2922913 .
1961 Rauchbach, K. :
[Hermaphroditism in the horse] Monatshefte fur Veterinarmedizin 16:220-221, 1961.

Edit History

  • Created by Frank Nicholas on 06 Sep 2005
  • Changed by Imke Tammen2 on 17 Sep 2021