"Cytogenetical, endocrinological, and histological analyses of a single-birth freemartin."
2002
"Kitahara, G. (Kagoshima Univ. (Japan). Faculty of Agriculture) | Kamimura, S. | Hamana, K. | Miyake, Y. "
"Cytological, endocrinological, and histological analyses of a Japanese Black calf with abnormal external genitalia revealed sex-chromosome chimerism in the karyotype. In the PMSG-hCG administration test, the calf remained low in both estradio__-17beta and progesterone concentrations, although both hormones increased in a normal control female calf. Necropsy showed male-like internal genitalia. Histological examination, however, revealed no spermatogenesis. On the basis of these findings, we determined this calf to be a single-birth freemartin."
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