Tuesday, February 28, 2006

Eyeing A Barber Pole Worm

A test in the form of a plastic card featuring pictures of the eyes of sheep may help thwart the spread of barber pole worm, Haemonchus contortus, a parasite of small ruminants that’s becoming increasingly resistant to the chemicals used to control it.

The test, called the FAMACHA eye color chart, can help sheep and goat producers save money by allowing them to deworm only the animals that need it, according to Agricultural Research Service (ARS) animal scientist Joan Burke.

This would slow the spread of chemical-resistant parasites through more efficient identification, treatment and removal of infected animals.Barber pole worms are microscopic, blood-sucking pests that thrive in heat and humidity and induce fatal cases of anemia and “bottle jaw” disease in animals.

The worms' increasing resistance to control chemicals--a result of widespread use of treatments--now threatens the entire goat and sheep population of the eastern United States, according to Burke, at ARS’ Dale Bumpers Small Farms Research Center in Booneville, Ark.

The test is named after its developer, South African livestock parasitologist Francois “Fafa” Malan. The chart shows five high-resolution photographs that focus on shades of redness of the inner eyelids of sheep.

Pale inner eyelids can be indicative of the parasite’s presence.Burke, who’s working with the Southern Consortium for Small Ruminant Parasite Control (SCSRPC) to find the most effective ways to use the test, warned that using the actual chart, and not copies, is essential for gaining accurate results.

The test was 92 percent accurate in a study Burke and other collaborators conducted on sheep and goats in Arkansas, Georgia, Louisiana, Florida and the U.S. Virgin Islands.

Information on obtaining the test is on SCSRPC\'s website, www.scsrpc.org. Nonveterinarians can purchase the chart only after being trained in its use.



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AGRI-INFO/FEBRUARY 28, 2006



TITLE: EYEING A TEST FOR BARBER POLE WORM


ALAM BA NINYO NA NATUKLASAN NG MGA AGRI-EXPERT, ANG ISANG URI NG PAGSUSURI O TESTING PARA MAHADLANGAN ANG PAGKALAT NG BARBER POLE WORM, HAEMONCHUS CONTORTUS?

ANG NATURANG PARASITIKO NG MALILIIT NA RUMINANTS AY LALUNG NAGIGING MALAKAS ANG RESISTANSIYA LABAN SA MGA KEMIKAL NA GINAGAMIT PARA ITO MAKONTROL.

ANG TEST NA ITO AY TINAWAG SA PANGALANG FAMACHA EYE COLOR CHART, NA NAKATUTULONG DIN NG MALAKI SA PAG-AALAGA NG KARNERO AT KAMBING.

AYON KAY ANIMAL SCIENTIST JOAN BURKE, PINABABAGAL NITO ANG PAGKALAT NG CHEMICAL RESISTANT PARASITES SA PAMAMAGITAN NG EPISYENTENG IDEKTIPIKASYON, TREATMENT AT PAG-ALIS SA IMPEKSIYON NA KUMAPIT SA MGA ALAGANG HAYOP.

ANG BARBER POLE WORMS AY MICROSCOPIC BLOODSUCKING PESTS NA KAYANG TUMAGAL SA INIT NG PANAHON AT PAGIGING MAALINSANGAN NITO AT SIYANG NASA LIKOD NG ANEMIA AT BOTTLE JAW DISEASE NA TUMATAMA SA MGA ALAGANG TANIM.

ANG PAGLAKAS NG RESISTANCE NG BARBER WORM LABAN SA MGA KEMIKAL AY RESULTA NG PANGKALATANG GAMIT NG GAMUTAN NA NGAYON AY NAKAKAKAPAGBANTA SA BUONG POPULASYON.

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