Five lighthorse mares were actively immunized against gonadotropin releasing hormone (GnRH) conjugated to bovine serum albumin (BSA) to study the involvement of GnRH in luteinizing hormone (LH) and follicle stimulating hormone (FSH) secretion following ovariectomy (OVX) and after administration of testosterone propionate (TP). Five mares immunized against BSA served as controls. Immunizations w...

Prader-Willi syndrome (PWS) is characterized by infantile lethargy and hypotonia causing poor feeding and failure to thrive, childhood obesity, short stature, and hypogonadism. The complex phenotype is most probably caused by a hypothalamic dysfunction that is responsible for the hormonal dysfunction. The resulting hypogonadism in PWS causes incomplete, delayed, and sometimes disordered puberta...