Eating carcasses of livestock treated with antibiotics is wreaking havoc on the health of Spanish vultures, a new study carried out in Spain suggests. The researchers say that the practice of feeding vultures livestock carrion--although promoted by bird lovers--may actually threaten the species and should be ended.
Several studies in people and animals have hinted that overuse of antibiotics can suppress the immune system, and the researchers hypothesized that this happens in vultures as well.
Both the cellular and humoral immune systems of the central Spain vultures were suppressed, they found. Lab studies are needed to confirm that antibiotics cause the immune suppression...
Full article: http://www.organicconsumers.org/arti...icle_17344.cfm
Proceedings of The Royal Society
Cellular and humoral immunodepression in vultures feeding upon medicated livestock carrion
http://rspb.royalsocietypublishing.o...2009.0071.full
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