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A freemartin or free-martin (sometimes martin heifer) is an infertile cow with masculinized behavior and non-functioning ovaries. [1] Phenotypically, the animal appears female, but various aspects of female reproductive development are altered due to acquisition of anti-Müllerian hormone from the male twin . [ 2 ]
In this period, 27 million cattle were driven from Texas to railheads in Kansas, for shipment to stockyards in St. Louis and points east, and direct to Chicago. The long distances covered, the need for periodic rests by riders and animals, and the establishment of railheads led to the development of "cow towns" across the frontier.
Date/Time Thumbnail Dimensions User Comment; current: 17:35, 6 June 2019: 7,003 × 8,786 (13.33 MB): Michael Barera == {{int:filedesc}} == {{Map |title = ''Map of Texas with Parts of the Adjoining States'' |description = {{en|A requirement of the Anglo-American ''empresario'' Stephen F. Austin's contract with the Mexican government included compiling a map of his Texas colony, which he ...
From 1875 until 1880, the Chisholm Trail, also referred to as the Eastern Trail, became a feeder route into the Western Trail. Western Trail feeder routes extended from Brownsville, Texas, through San Antonio, Bandera, Texas, and the Kerrville area. The Red River was crossed at Doan's Crossing. In 1881, Doan noted that the trail reached its ...
A fresh cow is a dairy term for a cow (or a first-calf heifer in few regions) who has recently given birth, or "freshened." The adjective applying to cattle in general is usually bovine. The terms bull, cow and calf are also used by extension to denote the sex or age of other large animals, including whales, hippopotamus, camels, elk and elephants.
A steer. The Texas Longhorn is an American breed of beef cattle, characterized by its long horns, which can span more than 8 ft (2.4 m) from tip to tip. [4] It derives from cattle brought from the Iberian Peninsula to the Americas by Spanish conquistadors from the time of the Second Voyage of Christopher Columbus until about 1512. [5]
Udder of a cow. An udder is an organ formed of two or four mammary glands on the females of dairy animals and ruminants such as cattle, goats, and sheep. [1] An udder is equivalent to the breast in primates, elephantine pachyderms and other mammals.
Image:Blank US Map with borders.svg, a blank states maps with borders. Image:BlankMap-USA.png, a map with no borders and states separated by transparency. Image:US map - geographic.png, a geographical map. On Wikimedia Commons, a free online media resource: commons:Category:Maps of the United States, the category for all maps with subcategories.