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Researchers in tizz over deaths of rare antelope
Researchers in tizz over deaths of rare antelope

Researchers in tizz over deaths of rare antelope

The death toll of iconic saiga antelopes in central Asia has soared to around 120,000, almost half of the world’s remaining population, according to unofficial estimates. Today vets and scientists investigating the catastrophe presented their results so far to government officials in Kazakhstan, where the animals are dying.

Experts at the United Nations said that a combination of environmental and biological factors is responsible for the mass deaths of the rare antelopes, but the exact cause of the disease’s outbreak is still unknown. Primarily mothers and calves are among the carcasses, and not a single animal survived in the affected herds, scientists said in a report Thursday by the United Nations Environment Programme (UNEP).

“A one hundred percent mortality for the herds affected is extraordinary,” Richard Kock, a professor at the Royal Veterinary College in London, told the Agence France-Presse (AFP). “We are dealing with creatures that have fairly low resilience.”

The scientists said, based on preliminary analysis of information, that two secondary pathogenic bacteria are contributing to the rapid and widespread deaths of the critically endangered antelopes, whose ancestors have inhabited the region since the Ice Age. The bacteria are deadly to an animal only if its immune system is already weakened. But the hunt for the fundamental cause of the mass mortality still continues.

“Unseasonal wetness may have been something that lowered their immunity to infection but until we do more analysis we will not know anything for sure,” AFP quoted Steffen Zuther of Kazakhstan’s Altyn Dala Conservation Initiative as saying.

A recent aerial survey estimated that the saiga antelope population in the country numbered about 250,000 prior to the mass die-off, which has halved the total population of the animal. Scientists fear that final estimates may extend beyond 120,000 dead saigas as the counting of carcasses by authorities continues.

“This loss is a huge blow for saiga conservation in Kazakhstan and in the world, given that 90% of the global saiga population is found in our country,” Erlan Nysynbaev, vice minister of Kazakhstan’s agriculture ministry said in a statement in the UNEP report.


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