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Testicular hypoplasia in a bull with XX/XY chimerism

A 4-year-old 1/2 Hereford X Bos indicus bull displayed XX/XY chimerism associated with arrested spermatogenesis. Phenotypic examination revealed underdeveloped dorsal neck muscles, a non-pendulous scrotum, testes firm in consistency and a scrotal circumference measurement of 27 cm. On rectal palpati...

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Main Authors: Bongso, Tuan Ariffeen, Jainudeen, Mohamed Razeen, Lee, J. Y.
Format: Article
Language:English
Published: New York State College of Veterinary Medicine 1981
Online Access:http://psasir.upm.edu.my/id/eprint/39547/1/Testicular%20hypoplasia%20in%20a%20bull%20with%20XXXY%20chimerism.pdf
http://psasir.upm.edu.my/id/eprint/39547/
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spelling my.upm.eprints.395472015-08-10T04:33:09Z http://psasir.upm.edu.my/id/eprint/39547/ Testicular hypoplasia in a bull with XX/XY chimerism Bongso, Tuan Ariffeen Jainudeen, Mohamed Razeen Lee, J. Y. A 4-year-old 1/2 Hereford X Bos indicus bull displayed XX/XY chimerism associated with arrested spermatogenesis. Phenotypic examination revealed underdeveloped dorsal neck muscles, a non-pendulous scrotum, testes firm in consistency and a scrotal circumference measurement of 27 cm. On rectal palpation, small seminal vesicles were present and only azoospermic seminal fluid was collected at 3 monthly electroejaculations. Chromosome analysis on 2 monthly batches of leukocyte cultures showed a mean chimeric ratio of 80% of XX:20% XY cells. Cells cultured from skin were all male. Histopathological examination of both testes revealed reduction in size and number of tubules, marked hypoplastic germinal epithelium showing only spermatogonia and a well defined interstitium with large quantities of collagen. The small size of the testes and histological changes were suggestive of a testicular hypoplasia. New York State College of Veterinary Medicine 1981-10 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/39547/1/Testicular%20hypoplasia%20in%20a%20bull%20with%20XXXY%20chimerism.pdf Bongso, Tuan Ariffeen and Jainudeen, Mohamed Razeen and Lee, J. Y. (1981) Testicular hypoplasia in a bull with XX/XY chimerism. Cornell Veterinarian, 71 (4). pp. 376-382. ISSN 0010-8901
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description A 4-year-old 1/2 Hereford X Bos indicus bull displayed XX/XY chimerism associated with arrested spermatogenesis. Phenotypic examination revealed underdeveloped dorsal neck muscles, a non-pendulous scrotum, testes firm in consistency and a scrotal circumference measurement of 27 cm. On rectal palpation, small seminal vesicles were present and only azoospermic seminal fluid was collected at 3 monthly electroejaculations. Chromosome analysis on 2 monthly batches of leukocyte cultures showed a mean chimeric ratio of 80% of XX:20% XY cells. Cells cultured from skin were all male. Histopathological examination of both testes revealed reduction in size and number of tubules, marked hypoplastic germinal epithelium showing only spermatogonia and a well defined interstitium with large quantities of collagen. The small size of the testes and histological changes were suggestive of a testicular hypoplasia.
format Article
author Bongso, Tuan Ariffeen
Jainudeen, Mohamed Razeen
Lee, J. Y.
spellingShingle Bongso, Tuan Ariffeen
Jainudeen, Mohamed Razeen
Lee, J. Y.
Testicular hypoplasia in a bull with XX/XY chimerism
author_facet Bongso, Tuan Ariffeen
Jainudeen, Mohamed Razeen
Lee, J. Y.
author_sort Bongso, Tuan Ariffeen
title Testicular hypoplasia in a bull with XX/XY chimerism
title_short Testicular hypoplasia in a bull with XX/XY chimerism
title_full Testicular hypoplasia in a bull with XX/XY chimerism
title_fullStr Testicular hypoplasia in a bull with XX/XY chimerism
title_full_unstemmed Testicular hypoplasia in a bull with XX/XY chimerism
title_sort testicular hypoplasia in a bull with xx/xy chimerism
publisher New York State College of Veterinary Medicine
publishDate 1981
url http://psasir.upm.edu.my/id/eprint/39547/1/Testicular%20hypoplasia%20in%20a%20bull%20with%20XXXY%20chimerism.pdf
http://psasir.upm.edu.my/id/eprint/39547/
_version_ 1643832453170724864
score 13.211869

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