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A small Butynol roof installation on a residential flat roof in New Zealand. Butynol roofing is a type of roofing material made from synthetic rubber, specifically butyl rubber. It is widely used in New Zealand and other parts of the world for flat and low-slope roofs due to its exceptional durability, flexibility, and waterproofing capabilities.
Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species. Bos indicus (or Bos taurus indicus ) cattle, commonly called zebu, are adapted to hot climates and originated in the tropical parts of the world such as India, Sub-saharan Africa, China, and Southeast Asia.
This is a list of some of the cattle breeds considered in the United States to be wholly or partly of American origin. Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively American.
Beef cattle breeds (1 C, 31 P) D. Dairy cattle breeds (40 P) ... Pages in category "Cattle breeds" The following 200 pages are in this category, out of approximately ...
However, beef cattle can also be bred through artificial insemination, [1] depending on the cow and the size of the herd. Cattle are normally bred during the summer so that calving may occur the following spring. [1] However, cattle breeding can occur at other times of year. Depending on the operation, calving may occur all year round.
Pages in category "Beef cattle breeds" The following 31 pages are in this category, out of 31 total. This list may not reflect recent changes. A. Aberdeen Angus;
The American Angus population in 2010 numbered about 320 000 head, with almost 300 000 breeding cows and over 22 000 registered bulls, making it the most numerous beef breed of the United States. [ 2 ] : 105 In 2021 the conservation status of the breed was reported to DAD-IS as "not at risk".
A Belmont Red bull. Belmont Red is a breed of beef cattle developed by the Commonwealth Scientific and Industrial Research Organisation (CSIRO) during 1954 in response to the need in the Australian Tropics for cattle which would improve the fertility of Bos indicus cattle.