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Protecting Sacred Sheep

Date:
April 27, 2005
Source:
USDA/Agricultural Research Service
Summary:
Agricultural Research Service scientists are working with the Navajo tribe of the American Southwest to protect Navajo-Churro sheep, which are culturally important and sacred to the tribe.

Scientists at ARS are collecting thousands of units of semen from Navajo-Churro sheep like the one shown here. The goal is to preserve the germplasm from this breed, which is valued by the Navajo tribe of the Southwest because its wool is preferred by handspinners.
Credit: Photo by Ken Hammond

Agricultural Research Service scientists are working with the Navajo tribe of the American Southwest to protect Navajo-Churro sheep, which are culturally important and sacred to the tribe.

Researchers at the ARS National Center for Genetic Resources Preservation (NCGRP) in Fort Collins, Colo., want to ensure that there's enough genetic material stored and readily available to reintroduce animal or plant species, if necessary. The NCGRP germplasm collection includes numerous breeds of cattle and pigs, as well as sheep.

Animal geneticist Harvey Blackburn, responsible for the animal collection at NCGRP, and animal physiologist Phil Purdy plan to collect 6,000 units of semen from Navajo-Churro rams. The researchers have already gathered 1,200 semen samples from 27 different rams, but they hope to get samples from at least 50 rams for broader diversity.

The breed of sheep known as Navajo-Churro came to the Southwest five centuries ago via Spanish settlers. The Navajo tribe has raised the breed since then, although over time, others convinced the tribe to raise different breeds, so the Navajo-Churro numbers dwindled. At one time, there were more than 2 million Navajo-Churro. In 1977, when conservation efforts began, there were fewer than 500. Today, the number has grown to about 1,500.

Navajos use the Navajo-Churro wool to weave blankets. Non-Navajo handspinners prefer the wool and will pay premium prices for it.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Cite This Page:

USDA/Agricultural Research Service. "Protecting Sacred Sheep." ScienceDaily. ScienceDaily, 27 April 2005. <www.sciencedaily.com/releases/2005/04/050421233925.htm>.
USDA/Agricultural Research Service. (2005, April 27). Protecting Sacred Sheep. ScienceDaily. Retrieved September 15, 2014 from www.sciencedaily.com/releases/2005/04/050421233925.htm
USDA/Agricultural Research Service. "Protecting Sacred Sheep." ScienceDaily. www.sciencedaily.com/releases/2005/04/050421233925.htm (accessed September 15, 2014).

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