-----Original Message-----
From: j...@aol.com
To: blackbelly@lists.blackbellysheep.info
Sent: Tue, Jan 12, 2010 3:36 pm
Subject: Rigid Lamb virus or Cache Valley Virus
Has anyone on the list had deformed lambs born with rigid legs?
Either flexed or extended and rigid? Cache Valley Virus is a mosquito
born virus. The ewe contracts the virus from a mosquito bite early in
her pregnancy and it affects the fetus causing several different kinds
of deformities, most common rigid legs.
I bred ewes this past summer, and of 24 lambs born in the last ten
days, three lambs were affected by Cache Valley Virus. The rigid legs
makes delivery almost impossible and I lost one ewe. The other ewe
was able to deliver. The vet assisted but there was really not much he
could do under the circumstances.
As it is caused by a mosquito bite it only causes problems with ewes
bred during the warmer months of the year.
Elaine Haas
http://www.blackbellysheep.info
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