Dzo Dzo A dzo (Tibetan མཛོ་ mdzo) (also spelled zo, zho and dzho) is a hybrid between the yak and domestic cattle. The word dzo technically refers to a male hybrid, while a female is known as a "dzomo" or "zhom". In Mongolian it is called khainag (хайнаг). There is also the English language portmanteau term of yattle, a combination of the words yak and cattle, as well as yakow, a combination of the words yak and cow. Dzomo are fertile (or, fecund) while dzo are sterile. As they are a product of the hybrid genetic phenomenon of heterosis (hybrid vigor),
Blue Cross (animal charity) animals, providing veterinary services to pet owners who cannot afford the private fees charged by private veterinary surgeons, promoting animal welfare through education, and operating the Pet Bereavement Support Service, a free and confidential support line for those who have lost a pet. They also operate a horse ambulance service, including at large equestrian events. Blue Cross operates four animal hospitals, three of which are in London, at Victoria, Merton and Hammersmith, and a fourth in Grimsby, Lincolnshire, as well as running mobile clinics throughout the country. In 2014 it opened a pet care clinic in Derby. Blue Cross carried