Sumatran tiger undergoes surgery at US zoo

Oct 08, 2013

A Sumatran tiger underwent surgery at the Sacramento Zoo on Tuesday to remove obstructions caused by stones in its urinary tract.

Surgeons from the University of California, Davis, School of Veterinary Medicine and the began performing the minimally invasive procedure in the early morning. It was expected to be completed by 1 p.m.

Doctors implanted thin, flexible tubes through the cat's right side that will allow urine to drain from its kidneys to its bladder.

The 15-year-old male tiger named Castro is from Sumatra, an island in western Indonesia. It has been at the Sacramento Zoo since 1999.

It is one of about 200 Sumatran tigers in zoos around the world. Fewer than 500 are believed to live in the wild.

Harrison Edell, general curator of the Sacramento Zoo, said in a telephone interview that doctors faced several challenges because of the cat's old age and other medical problems. Earlier this year, Castro was diagnosed with lymphoma, a type of cancer, and is undergoing chemotherapy.

"A lot of these medical issues are sort of related to one another," he said.

Pat Bailey, a spokeswoman at UC Davis News Service, said blood tests indicated Castro seemed to be responding well to cancer treatment.

It was unclear how long the cat's recovery period from the surgery would be.

"We're not going to have him out on exhibit if he's not feeling 100 percent," Edell said.

The cat has fathered five offspring, including CJ, born in March at the Sacramento Zoo. Its first granddaughter, Jillian, was born in February at the San Francisco Zoo.

Explore further: Kids of Cold War crocs going to Cuba on conservation mission

Related Stories

Rare Sumatran tiger cubs born at US zoo

Aug 08, 2013

Two rare Sumatran tiger cubs were born this week at the National Zoo in the US capital, in what zookeepers described Thursday as a conservation victory for the critically endangered cats.

Tiger, two lions die from poison at Indonesian zoo

Aug 28, 2013

An investigation is under way after authorities determined that an endangered Sumatran tiger and two African lions found dead at an Indonesia zoo died from poison, officials said Wednesday.

Recommended for you

Telling the time of day by color

Apr 17, 2015

Research by scientists at The University of Manchester has revealed that the colour of light has a major impact on how the brain clock measures time of day and on how the animals' physiology and behavior adjust accordingly. ...

Aphrodisiac for fish and frogs discovered

Apr 17, 2015

A supplement simply added to water has been shown to boost reproduction in nematodes (roundworms), molluscs, fish and frogs – and researchers believe it could work for humans too.

Evolution puts checks on virgin births

Apr 17, 2015

It seems unnatural that a species could survive without having sex. Yet over the ages, evolution has endowed females of certain species of amphibians, reptiles and fish with the ability to clone themselves, ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.