PUUR Oestro Horse/Pony/Dog/CatPURE Oestro. Promotes a normal and regular cycle. PURE is a complete range of health products for dogs, cats and horses. The products are composed on the basis of phytotherapy and orthomolecular medicine and are made from natural raw materials. 20 drops 1 2 x daily is approximately 1 ml Horse 20 30 drops Dog 10 15 drops Cat 5 10 drops If it is difficult in practice to administer this product several times a day, once a day or once every 2 days is