Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
Theriogenology
Two Cases of Bovine Male Pseudohermaphrodites with Different Endocrinological and Pathological Findings
Chiho MORIYAMAMineto TANIKazumi NIBEGo KITAHARAShingo HANEDAMotozumi MATSUIYoh-Iichi MIYAKEShunichi KAMIMURA
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2010 Volume 72 Issue 4 Pages 507-510

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Abstract

Two cases of bovine male pseudohermaphrodites (PH) were subjected for clinical investigation with transrectal ultrasonography, endocrinology with adoption of hCG-stimulation test, cytogenetics with analysis of sex chromosome and Y-specific DNA, and finally histological examination. Results were compared with normal calves. Case 1 was a 10-month-old calf with XX/XY chimeras, showing elevation of testosterone (T) levels, but no change in progesterone (P4) after hCG test, and possessed atrophied testes in the cavitas pelvis. Case 2 was an 18-month-old calf with SRY positive-XY chromosome, showing lower level of plasma T and P4 after hCG test, and possessed atrophied testes and undifferentiated genital ducts. Both cases possessed female-like external genitalia with similar pathological findings, however endocrinological and cytogenetical aspects were different each other.

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