At present. only surgical sterilization is available for veterinarians and pet owners seeking suppression of fertility in male dogs. in most countries. An alternative contraceptive alternative approach is GnRH releasing implants that desensitize the pituitary to the stimulatory effects of GnRH and thereby block testicular function (testosterone and sperm production). https://parisnaturalfoodes.shop/product-category/coenzyme-q10-400-mg/