Bhubaneswar, Sept. 10 -- Wildlife experts are closely monitoring the stress and health levels of the five orangutans rescued from a casuarina forest in Odisha's Balasore district, playing them soft and classical music as part of music therapy and providing toys and a cloth hammock, before they carry out DNA and other tests, an official from Nandankanan Zoological Park said on Thursday.

The Centre for Wildlife Health of Odisha University of Agriculture and Technology meanwhile advised the zoo officials against collecting blood samples for the next 10 days as the animals remain stressed. The samples will be used for DNA analysis and tests for infections and other health conditions. They will also help establish the animals' species, breed,...