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Mystery deepens over mass die-off of antelopes

Mystery deepens over mass die-off of antelopes

Science
A mass die-off of wild antelopes in Kazakhstan was triggered by environmental factors, scientists believe.More than 200,000 saiga antelopes collapsed and died suddenly in 2015, wiping out most of the global population.The deaths were found to be caused by a bacterial infection.However, new data shows other factors were involved too, including unusually high humidity and temperatures.Researchers think changing environmental conditions could be a trigger for the bacterial onslaught, although this needs further research.They say there is a high chance of the same thing happening again, given climate change predictions for the region.Study leader Prof Richard Kock of the Royal Veterinary College London was part of the original emergency response team.He said the event went way beyond what woul...