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Abstract

The present case report aimed to determine the responsiveness of the endometrium and the ovaries of an X0 mare after hormonal treatment. On transrectal palpation, the uterus was flaccid and smaller than normal, and the ovaries were small and smooth. The endometrium had normal histological...

Author(s)
Larentis, G. R.; Bastos, H. B. de A.; Centeno, L. A. M.; Bueno, V. la C.; Bringel, B. A.; Mattos, R. C.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2020, 92,
Abstract

Horses are characterized as having a greater rate of chromosomal abnormalities than other species, which are mainly related to the sex chromosome pair and produce a series of different anomalies known as disorders in sexual development (DSD). In the present study, three Pura Raza Española (PRE) and ...

Author(s)
Anaya, G.; Moreno-Millán, M.; Bugno-Poniewierska, M.; Pawlina, K.; Membrillo, A.; Molina, A.; Demyda-Peyrás, S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2014, 151, 1/2, pp 22-27
Abstract

Abnormalities of sexual development causing infertility in horses have been investigated since the early 1970's. Conventional cytogenetic analysis by karyotyping has been the primary tool used to investigate these horses. Abnormalities have a broad range, from a phenotypically normal mare with ...

Author(s)
Lear, T. L.; McGee, R. B.
Publisher
S Karger AG, Basel, Switzerland
Citation
Sexual Development, 2012, 6, 1/3, pp 61-71
Abstract

Inherited disorders of sexual development (DSD) cause sterility and infertility in horses. Mutations causing such disorders have been identified in other mammals, but there is little information on the molecular causes in horses. While the equine genome sequence has made it possible to identify...

Author(s)
Pujar, S.; Meyers-Wallen, V. N.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2012, 47, 5, pp 827-834
Abstract

The clinical signs and histopathological characteristics of gonadal dysgenesis in a mare in Brazil [date not given] are described. Laparotomy was performed at the linea alba and the enlarged structure was removed from the left quadrant, which corresponded to the region occupied by the left ovary....

Author(s)
Prestes, N. C.; Alvarenga, M. A.; Mota, L. S. L. S. da; Rocha, N. S.; Gomes, G. M.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2007, 14, 1, pp 36-42
Abstract

Gonadal dysgenesis and heterosexual conditions are often associated with sex chromosome abnormalities. In this study we report on 2 cases of abnormal sex development involving numerical sex chromosome aberrations in both horse and sheep. A 17-month-old Standardbred filly was sent to an equine...

Author(s)
Meo, G. P. di; Neglia, G.; Perucatti, A.; Genualdo, V.; Iannuzzi, A.; Crocco, D.; Incarnato, D.; Romano, G.; Parma, P.; Iannuzzi, L.
Publisher
S Karger AG, Basel, Switzerland
Citation
Sexual Development, 2009, 3, 6, pp 329-332
AbstractFull Text

Equine Turner's Syndrome is a chromosomal alteration that is often unnoticed and requires karyotypic investigation. Affected mares are often small in size for their age and breed. They have a minimally developed vulva, flabby uterus and cervix and exhibit irregular oestrus behaviour or anoestrus....

Author(s)
Lorenzi, L. de; Giovanni, A. de; Molteni, L.; Loni, D.
Publisher
Edizioni SCIVAC, Cremona, Italy
Citation
Ippologia, 2007, 18, 1, pp 33-38
Abstract

Chromosomal abnormalities, especially of the sex chromosomes, have been associated with infertility in horses. Earlier reports pointed out that about half of breeding age mares with primary infertility and gonadal hypoplasia had detectable chromosomal abnormality. To determine the exact chromosomal ...

Author(s)
Bozsaky, É.; Czimber, G.; Kovács, A.
Publisher
Állattenyésztési és Takarmányozási Kutatóintézet, Herceghalom, Hungary
Citation
Állattenyésztés és Takarmányozás, 2003, 52, 2, pp 144-150
Abstract

One useful application of cytogenetic studies in the horse (Equus caballus) is to determine the relation between the presence of chromosome anomalies and the reproductive efficiency of the animal, since about 30 to 40% of the reproductive losses in mares are due to chromosome alterations. Fifteen ...

Author(s)
Wittouck, P.; Tiranti, I.; Tissera, J.; Genghini, R.
Publisher
Sociedad de Medicina Veterinaria, Buenos Aires, Argentina
Citation
Revista de Medicina Veterinaria (Buenos Aires), 2002, 83, 5, pp 209-212
Abstract

The SRY gene is responsible for testis determination in mammals. It codes for a protein with a DNA binding domain similar to those found in high-mobility group protein (HMG box). Mutation in this gene leads to Gonadal Dysgenesis an abnormal sexual phenotype described in human, cattle, horse, and...

Author(s)
Prashant; Gour, D. S.; Dubey, P. P.; Jain, A.; Nanda, D. K.; Joshi, B. K.; Dinesh Kumar
Publisher
Academic Journals, Nairobi, Kenya
Citation
African Journal of Biotechnology, 2009, 8, 13, pp 2939-2942

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