Sheep (Ovis aries)

Sheep in Iowa. State: Iowa, By: Unknown, Name: NRCSIA99208. Year: 1999. High Resolution Image 253.9 kb JPEG image (24 bit RGB color) uncompressed archival TIFF version 9.4 mb TIFF image (32 bit CMYK color)

Sheep were among the first animals domesticated. An archeological site in Iran produced a statuette of a wooled sheep which suggests that selection for woolly sheep had begun to occur over 6000 years ago. The common features of today's sheep were already appearing in Mesopotamian and Babylonian art and books by 3000 B.C. Sheep: (Ovis aries)

Approximately 6 million sheep are used for meat and wool production in the United States and 2.5 million goats are used for meat, milk and mohair production. On this page, you will find information on breeding, husbandry, care, housing, nutrition and health, and management for these species. Sheep and Goats

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Dairy Cows Bos taurus

Because much of the cost of a cow is the feed and labor needed to maintain her, fewer but higher yielding cows mean lower priced milk. Dairy herd improvement ultimately benefits consumers.

That's why it's just as important to keep complete and accurate records as it is to keep the cows contented. The National Cooperative Dairy Herd Improvement Program has been tracking Bossy's milk yields since 1905.

Over the years, this program has made enormous contributions to dairy cattle breeding. ARS scientists receive the lactation records of all herds enrolled in the program and use the figures to rank the bulls that sire the nation's dairy cows and to rank the cows themselves.

The results of years and years of scientific dairying? Milk production has been trending upward for more than 25 years in the United States-from about 117,000 million pounds in 1970 to more than 150,000 million pounds in 1994-even though the number of milk cows has been reduced. Photo by Keith Weller.

Dairy cattle From Wikipedia, the free encyclopedia

A young dairy animal is known as a calf. A female calf which has not given birth to a calf and is less than thirty months old is called a heifer. When the heifer is seven months pregnant or has reached the stage in pregnancy where the udder starts to swell, it is known as a springer. After calving, or when more than thirty months old, a female dairy animal is known as a cow.

The process of birthing a calf is known as calving or parturition. A male dairy animal is called a bull at any stage of life, unless castrated, in which case it is known as a steer until it is four years old, then it is called an ox. A dairy animal's mother is known as its dam. Similarly, a dairy animal's father is known as its sire.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article, Dairy cattle

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Pigs Sus scrofa or S. domesticus

National Aeronautics and Space Administration John F. Kennedy Space Center. Kennedy Space Center, Florida 32899. FOR RELEASE: 05/17/2002. PHOTO NO: KSC-02PD-0873 High Resolution Image

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KENNEDY SPACE CENTER, FLA. - Wild pigs stop near the KSC Press Site in the Launch Complex 39 Area on their daily foraging rounds. Not a native in the environment, the pigs are believed to be descendants from those brought to Florida by the early Spanish explorers. Without many predators other than human, the pigs have flourished in the surrounding environs.

Suidae is the biological family to which pigs and their relatives belong. Up to sixteen species are currently recognized, including the domestic pig Sus scrofa or S. domesticus. They are classified into between four and eight genera. In addition to numerous species of wild pig, the family includes the babirusa Babyrousa babyrussa and the warthog Phacochoerus aethiopicus. The complete list of species, with the usual genus classification, is as follows: pigs.com

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