Dexter cattle

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A red chondrodysplastic-dwarf Dexter cow

Dexter cattle are a breed of cattle originating in Ireland.[1] The smallest of the European cattle breeds, they are about half the size of a traditional Hereford and about one-third the size of a Holstein Friesian milking cow. A rare breed until recently, they are now considered a recovering breed by the Livestock Conservancy.[1]

History and description[edit]

Dexter bull

The Dexter breed originated in northwestern Ireland, from where it was brought to England in 1882. The breed virtually disappeared in Ireland, but was still maintained as a pure breed in a number of small herds in England and the US. The Dexter is a small breed with mature cows weighing between 600 and 700 lb and mature bulls weighing about 1,000 lb (450 kg). Considering their small size, their bodies are wide and deep with well-rounded hindquarters. Dexters have three coat colors - black, red, and dun (brown). Dexters should have no white markings except for some very minor white markings on the belly/udder behind the navel and some white hairs in the tail switch. While many Dexters are naturally hornless (polled), many have horns that are rather small and thick and grow outward with a forward curve on the male and upward on the female. The breed is suitable for beef or milk production, although individual herd owners often concentrate on growing either one or the other.

Traits[edit]

Dun Dexter heifer
Dexter cattle, Bolton

Dexters are classified as a small, friendly, dual-purpose breed, used for milk and beef, but they are often listed as a triple-purpose breed, since they are also used as oxen. Management practices vary by breeder and country. Their versatility is one of their greatest assets, and probably has something to do with the number of countries where Dexter cattle are found, including North America, South Africa, Australia, and much of Europe.

Beef animals in the US are expected to mature in 18–24 months and result in small cuts of high-quality, lean meat, graded US Choice, with little waste. The expected average dress out is 50 to 70%. The beef produced by Dexters is well marbled and tends to be dark.[2]

Dexters produce a rich milk, relatively high in butterfat (4%) and the quality of the milk overall is similar to that of Jersey cattle. Dexters can reasonably be expected to produce 1.5 to 2.5 gal (7.6 to 9.5 l) per day.[citation needed]

The cows are exceptionally good mothers, hiding their calves almost from birth if they have cover for them to hide. Some produce enough milk to feed two or three calves, and often willingly nurse calves from other cows. They are known for easy calving. This trait, along with the smaller size of the calf, has produced a small but growing market in the United States for Dexter bulls to breed to first-calf heifers among the larger beef breeds to eliminate problems at parturition.[citation needed]

Some Dexter cattle carry a gene for chondrodysplasia (a semilethal gene), which is a form of dwarfism that results in shorter legs than unaffected cattle. Chondrodysplasia-affected Dexters are typically 6–8 in shorter in height than unaffected ones. Breeding two chondrodysplasia-affected Dexters together results in a 25% chance that the fetus can abort prematurely. A DNA test is available to test for the chondrodysplasia gene, using tail hairs from the animal.[3]

The aborted fetus is commonly called a bulldog, a stillborn calf that has a bulging head, compressed nose, protruding lower jaw, and swollen tongue, as well as extremely short limbs.[4] The occurrence of bulldog fetuses is higher in calves born with a black coat than a red coat, because black coat colour is more common.[5] Short-legged Dexter cattle are considered to be heterozygous, while bulldog fetuses are homozygous for chondrodysplasia genes.[6]

Dexters can also be affected with pulmonary hypoplasia with anasarca (PHA), which is an incomplete formation of the lungs with accumulation of a serum fluid in various parts of the tissue of the fetus. Unlike chondrodysplasia, which has many physical signs, PHA shows no outward signs and is only detectable through DNA testing. As with Chondrodysplasia, PHA-affected Dexters should not be bred together.[7]

Originally, Dexters were typically horned, but a naturally polled strain was developed in the 1990s.[8]

Dexter cattle have short legs compared to other breeds; increased shortness is displayed from the knee to the fetlock.[4]

Dexter cattle are very hardy, efficient grazers and are able to thrive on poor land.[5]

Growing popularity[edit]

Dexter eating hay

Once very rare in both the UK and the US, Dexters have beenhaving a resurgence in both countries, with over 4,100 Dexter cows registered in 2007 by the Dexter Cattle Society in the UK – double the figure for 2000.[9] "With high food prices, they are actually quite an attractive option if you like producing your own food,” said Sue Farrant, owner of four Dexters.[9] "Both my husband and I have full-time jobs, so we're keeping them on the side as an interest. They do largely look after themselves and they've been hugely popular with the children."[9]

The popularity of Dexters has been fueled by a desire for organic food, health concerns over factory farming, and food prices.[9] "The government has no interest in where our food comes from or how it tastes, so it's nice to set your own welfare and quality standards,” said poet and songwriter Pam Ayres, who has a small herd of Dexters on her 20-acre (81,000 m2) Cotswolds property.[9] "If you've got a bit of land, a breed like the Dexter can work out a lot cheaper than the supermarket, plus they do a pretty good job of mowing the lawn."[10]

See also[edit]

References[edit]

  1. ^ a b "American Livestock Breeds Conservancy Priority Watch List". Retrieved 14 September 2008.
  2. ^ Oklahoma State University. "Dexter Cattle". Retrieved 14 September 2008.
  3. ^ Davidson, Carol. "American Dexter Cattle Association". dextercattle.org. Archived from the original on 26 January 2013. Retrieved 23 April 2018.
  4. ^ a b Crew, F. A. E. (1 January 1923). "The Significance of an Achondroplasia-Like Condition Met with in Cattle". Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character. 95 (667): 228–255. doi:10.1098/rspb.1923.0035. JSTOR 81039.
  5. ^ a b Crew, F. A. E. (1 January 1924). "The Bull-dog Calf: A Contribution to the Study of Achondroplasia". Proceedings of the Royal Society of Medicine. 17 (Sect Comp Med): 39–58. ISSN 0035-9157. PMC 2201457. PMID 19983950.
  6. ^ Harper, Paw; Latter, Mr; Nicholas, Fw; Cook, Rw; Gill, Pa (1 March 1998). "Chondrodysplasia in Australian Dexter cattle". Australian Veterinary Journal. 76 (3): 199–202. doi:10.1111/j.1751-0813.1998.tb10129.x. ISSN 1751-0813. PMID 9578757.
  7. ^ "PHA (Pulmonary Hypoplasia with Anasarca) Fact Sheet". dextercattle.org. American Dexter Cattle Association. Archived from the original on 26 January 2013. Retrieved 23 April 2018.
  8. ^ Nanci, Gabriella; Millman, Stefani (2009). Dexter Cattle: A Breeders' Notebook Volume One. Bloomington, Indiana, United States: www.AuthorHouse.com. pp. 86–87. ISBN 978-1-4389-8341-7.
  9. ^ a b c d e "The Times & The Sunday Times". thetimes.co.uk. Retrieved 23 April 2018.
  10. ^ "Just Right for the Garden: a Mini-cow — City Farmer News". www.cityfarmer.info. Archived from the original on 11 February 2018. Retrieved 23 April 2018.

External links[edit]