Abstract: The invention relates to a stable formulation for controlling oestrus in a subject. The formulation comprises Gonadotrophin Releasing Hormone or an acceptable salt or analogue thereof, progesterone or an analogue thereof, and an acceptable carrier.

Abstract: A formulation for anaesthetic use is described. The formulation contains propofol, and may be used to induce and/or maintain anaesthesia or sedation in a vertebrae. The formulation additionally contains a solvent or a combination of solvents and is suitable for mixing with commonly used infusion fluids prior to injection in to a patient. The formulation may be terminally sterilised using moist heat in order to assure sterility, and contains no lipid, thereby avoiding complications associated with administration over prolonged periods of time, or to patients with disorders of fat metabolism.