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The Australian Milking Zebu (AMZ) is a composite breed of Australian Milking Zebu
The development of the breed was governed by strict selection for heat tolerance, milk production and cattle
The Australian Milking Zebu (AMZ) is a composite breed of dairy cattle
Dairy cattle (also called dairy cows) are cattle bred with the ability to produce large quantities of milk, from which dairy products are made. Dairy cattle generally are of the species '' Bos taurus''.
Historically, little distinction was ...
, developed by the Commonwealth Scientific and Industrial Research Organisation
The Commonwealth Scientific and Industrial Research Organisation (CSIRO) is an Australian Government agency that is responsible for scientific research and its commercial and industrial applications.
CSIRO works with leading organisations arou ...
(CSIRO) in Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
during the mid-1950s. To develop the breed, the CSIRO bred Sahiwal
Sahiwal ( Punjabi / ; ; ), formerly known as Montgomery, is a city in central Punjab, Pakistan. It is the administrative capital of both Sahiwal District and Sahiwal Division. It is the 19th largest city of Pakistan by population accordin ...
and Red Sindhi cattle from Pakistan
Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the List of countries and dependencies by population, fifth-most populous country, with a population of over 241.5 million, having the Islam by country# ...
with Jersey cattle
The Jersey is a British breed of small dairy cattle from Jersey, in the British Channel Islands. It is one of three Channel Island cattle breeds, the others being the Alderney – now extinct – and the Guernsey. The milk is high in butterf ...
. Some Illawarra
The Illawarra is a coastal Regions of New South Wales, region in the southeast of the Australian state of New South Wales. It is situated immediately south of Sydney and north of the South Coast, New South Wales, South Coast region. It encompas ...
, Guernsey
Guernsey ( ; Guernésiais: ''Guernési''; ) is the second-largest island in the Channel Islands, located west of the Cotentin Peninsula, Normandy. It is the largest island in the Bailiwick of Guernsey, which includes five other inhabited isl ...
and Friesian genetics were also included.The development of the breed was governed by strict selection for heat tolerance, milk production and cattle
tick
Ticks are parasitic arachnids of the order Ixodida. They are part of the mite superorder Parasitiformes. Adult ticks are approximately 3 to 5 mm in length depending on age, sex, and species, but can become larger when engorged. Ticks a ...
(''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.
See also
*Australian Friesian Sahiwal
The Australian Friesian Sahiwal, is an Australian breed of dairy cattle whose development commenced in the 1960s by the Queensland Government. It is a combination of the Sahiwal cattle, Sahiwal, a dairy breed of ''Bos indicus'' from Pakistan and ...
References