Efficiency of immunocastration with an anti-gonadotropin-releasing hormone vaccine on cryptorchid bulls

Cryptorchid bulls have low economic value owing to the effects of masculinization. Moreover, surgical removal of an ectopic testis is difficult in certain clinical cases. Recently, immunocastration has garnered popularity as a nonsurgical castration method in pig farming; however, the effects of imm...

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Veröffentlicht in:	Journal of Veterinary Medical Science 2023, Vol.85(5), pp.551-556
Hauptverfasser:	GOTO, Akira, YOSHIDA, Nanako, NAKADA, Ken, INOUE, Yoichi, HISAEDA, Keiichi, INABA, Toshio, DOMOTO, Nanami, ISHIGURO, Yuki, ITOH, Megumi, TAKAHASHI, Eiji, SASAKI, Motoki, MATSUI, Motozumi
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals anti-Müllerian hormone antiGnRH vaccine bull Castration Cattle Cattle Diseases - prevention & control cryptorchid Cryptorchidism Cryptorchidism - surgery Cryptorchidism - veterinary Gonadotropin-releasing hormone Gonadotropin-Releasing Hormone - pharmacology Gonadotropins Immunization immunocastration Male Pituitary (anterior) Sertoli cells Swine Swine Diseases Testis Testosterone Theriogenology Vaccines
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Zusammenfassung:	Cryptorchid bulls have low economic value owing to the effects of masculinization. Moreover, surgical removal of an ectopic testis is difficult in certain clinical cases. Recently, immunocastration has garnered popularity as a nonsurgical castration method in pig farming; however, the effects of immunocastration on cryptorchid bulls are yet to be yet. Herein, we investigated endocrine changes due to immunocastration in cryptorchid bulls and studied its effectiveness. This study included 13 Holstein bulls diagnosed with cryptorchidism and classified into two groups based on pubertal period:
ISSN:	0916-7250 1347-7439
DOI:	10.1292/jvms.22-0571