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          Patna, Aug 29 (IANS) The Patna Zoological Park had reason to   celebrate in July after tigress Swarna gave birth to three cubs. Just a month   later, however, there is a pall of gloom here after one cub died Tuesday and two   others battle severe infection.
 On Aug 15, an Asiatic lion cub had died   in the Patna Zoo after being injured by its mother.
 |  "One of the tiger cubs died due to severe infection Tuesday night. Two others   are critically ill," a zoo official said.
 Zoo director Abhay Kumar said   his team was doing everything possible to save the cubs. "They are under   constant expert supervision," Kumar said.
 
 Abhijit Bhawal, a doctor from   the Wildlife Trust of India, Guwahati, has been called to treat the cubs.
 
 Zoo officials as well visitors were thrilled when the cubs were born in   July.
 
 The birth of these three cubs made national news as it was after   19 years that a tigress had given birth here.
 
 The last births of tiger   cubs at the Patna zoo was in 1993. Breeding of tigers in captivity is extremely   rare, a zoo official said.
 
 Last year, two tigers and a tigress were   brought here from the Hyderabad zoo.
 
 
	
	
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