Browsing Production Animal Studies by Author "Birrell, John R."

Browsing Production Animal Studies by Author "Birrell, John R."

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  • Effects of an anti-gonadoliberin releasing hormone vaccine on testicular, epididymal and spermatogenic development in the horse 
    Botha, Alma Ester; Schulman, M.L. (Martin); Birrell, John R.; Du Plessis, Lizette; Laver, Pete N.; Soley, John Thomson; Colenbrander, Ben; Bertschinger, H.J. (Hendrik Jan) (Wiley, 2022-08)
    The effects of the GnRH vaccine Improvac® on testicular and epididymal morphometrics, histology and spermatogenesis were measured in 19 young (15–20 months) colts randomly assigned to one control (saline, castration at 57 ...
  • Vaccination against GnRH as a prelude to surgical castration of horses 
    Birrell, John R.; Schulman, M.L. (Martin); Botha, A.E. (Alma); Ganswindt, Andre; Fosgate, Geoffrey Theodore; Bertschinger, Hendrik Jan (Wiley, 2021-11)
    BACKGROUND : Surgical castration is one of the most frequently performed surgeries in horses and is associated with various post-surgical complications ranging in severity. OBJECTIVES : We investigated the effects of ...