Spokeswoman Pamela Baker-Masson said Bei Bei is conscious and recovering at the zoo`s panda facility after the Friday morning surgery.

The blockage, which is a rare ailment for giant pandas, was a dense mass of partially-digested bamboo about the size of a lemon at the top of his small intestine. Quick thinking and expert care by zoo staff and volunteer veterinarians likely saved the life of the young cub, who turned one in August.

On Thursday, Bei Bei was observed behaving abnormally by sleeping more than usual and showing little interest in eating. According to zoo officials, he also appeared nauseous and vomited twice.

After initial treatment for his nausea, Bei Bei was transported Friday morning to the zoo`s onsite veterinary hospital, where he underwent ultrasound screening by radiologist Elyshia Hankin of the Friendship Hospital for Animals. An endoscopic exam confirmed what the veterinarians suspected: the blockage had distended into Bei Bei`s small intestine and was causing him significant distress that, left unaddressed, was life-threatening.

Veterinary surgeon Sebastian Gordon stepped in to remove the mass. The procedure was completed smoothly, Baker-Masson said.

As he recovers, Bei Bei will be fed soft foods, such as sweet potatoes and pears, before transitioning to his regular diet of bamboo. Bei Bei, who is still nursing from his mother, Mei Xiang, had been eating solid foods for some time, Baker-Masson said, noting that while intestinal blockages are a rare occurrence they can affect exotic animals and house pets alike.

For the time being, Bei Bei will be monitored by the zoo staff and kept away from public view. The panda house is temporarily closed, but Bao Bao, Tian Tian and Mei Xiang can be seen from their outdoor yards.

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