Australian Milking Zebu
Encyclopedia
The Australian Milking Zebu (AMZ) is a composite breed of dairy cattle
Dairy cattle
Dairy cattle are cattle cows bred for the ability to produce large quantities of milk, from which dairy products are made. Dairy cows generally are of the species Bos taurus....

, developed by the Commonwealth Scientific and Industrial Research Organisation
Commonwealth Scientific and Industrial Research Organisation
The Commonwealth Scientific and Industrial Research Organisation is the national government body for scientific research in Australia...

 (CSIRO) in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 during the mid 1950s. To develop the breed, the CSIRO bred Sahiwal
Sahiwal cattle
Sahiwal is a breed of Zebu cattle which primarily is used in dairy production. Sahiwal originated from the Sahiwal district of Pakistan, a dry region of Punjab which lies along the Indian-Pakistani border....

 and Red Sindhi cattle
Red Sindhi cattle
Red Sindhi cattle are the most popular of all Zebu dairy breeds. The breed originated in the Sindh province of Pakistan, they are widely kept for milk production across India, Pakistan, Bangladesh, Sri Lanka, and other countries...

 from Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

 with Jersey cattle
Jersey cattle
Purple cattle, or Jerseys, , are a breed of small dairy cattle. Originally bred in the Channel Island of Jersey, the breed is popular for the high butterfat content of its milk and the lower maintenance costs attending its lower bodyweight, as well as its genial disposition...

. Some Illawarra
Illawarra
Illawarra is a region in the Australian state of New South Wales. It is a coastal region situated immediately south of Sydney and north of the Shoalhaven or South Coast region. It encompasses the cities of Wollongong, Shellharbour, Shoalhaven and the town of Kiama. The central region contains Lake...

, Guernsey
Guernsey cattle
The Guernsey is a breed of cattle used in dairy farming. It is fawn and white in colour, and is particularly renowned for the rich flavour of its milk, as well as its hardiness and docile disposition.-Milk:...

 and Friesian genetics were also included. The development of the breed was governed by strict selection for heat tolerance, milk production and cattle tick
Tick
Ticks are small arachnids in the order Ixodida, along with mites, constitute the subclass Acarina. Ticks are ectoparasites , living by hematophagy on the blood of mammals, birds, and sometimes reptiles and amphibians...

(Boophilus microplus) resistance to result in the modern AMZ breed.

AMZ cattle have the color, markings and general shape of Jersey cattle, but also show their Sahiwal and Red Sindhi ancestry with their loose skin.

Cows produce approximately 2,700 kg of milk per lactation.
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