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Menadione is a synthetic [3] [4] organic compound with the formula C 6 H 4 (CO) 2 C 2 H(CH 3). It is an analog of 1,4-naphthoquinone with a methyl group in the 2-position. [ 5 ] It is sometimes called vitamin K 3 .
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.
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.
In the first decades of twentieth century, the favored breed of zebu in Brazil was the Indubrasil or Indo-Brazilian, but from the 1960s onwards, Nelore became the primary breed of cattle in Brazil because of its hardiness, heat-resistance, and because it thrives on poor-quality forage and breeds easily, with the calves rarely requiring human ...
Pages in category "Cattle breeds" The following 200 pages are in this category, out of approximately 245 total. This list may not reflect recent changes.
A USMARC long-term multi-breed study of Limousins, three British (Red Poll, Hereford, Aberdeen Angus) and five other continental European (Braunvieh, Pinzgauer, Gelbvieh, Simmental, Charolais) cattle breeds [67] reported that Limousin cattle were the most efficient and fastest of all breeds at converting feed into saleable meat even though ...
The Fleckvieh is now a dual-purpose breed; it may be used for the production of beef or milk, or be crossed with dairy breeds or with beef breeds. [ 3 ] It is reported from several European countries, including Austria, [ 2 ] Belgium, [ 4 ] Germany, [ 5 ] [ 6 ] the Netherlands, [ 7 ] and Spain, [ 8 ] and also, since 2009, from Switzerland; [ 9 ...
The Maine-Anjou was created as a dual-purpose breed, for both beef and milk. Since about 1970 it has been raised predominantly for beef. Maine-Anjou beef from Rouge des Prés cattle raised in the départements of the Deux-Sèvres, the Ille-et-Vilaine, the Loire-Atlantique, the Maine-et-Loire, the Mayenne, the Orne, the Sarthe and the Vendée received Appellation d'Origine Protégée status in ...