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Hopes that tiny panda paws would be seen in the world's first live broadcast of a cub delivery were dashed on Tuesday when Chinese experts suggested the “mother” may have been focusing more on extra bun rations than giving birth.

The slated star of the show, giant panda Ai Bang, had shown signs of pregnancy last month at the Chengdu Research Base of Giant Panda Breeding, according to Xinhua News Agency.

A live broadcast of the event was planned, but Xinhua said her "behavior and physiological indexes returned to normal”, citing experts who said she experienced a "phantom pregnancy".

The breeding center in Sichuan province commonly moves pandas that are thought to be pregnant into single rooms with air conditioning and around-the-clock care.

"They also receive more buns, fruits and bamboo, so some clever pandas have used this to their advantage to improve their quality of life," said Wu Kongju, an expert at the base.

Phantom pregnancies are said to be common among the endangered animals, and many continue to display pregnant behavior after noticing the difference in the treatment they receive, Xinhua said.

Ai Bang, who is 6 years old, experienced reduced appetite, less mobility and a surge in hormones when her “pregnancy” was first detected, the news agency said, before further observations indicated it was fake.

The giant panda's natural habitat is in the mountainous southwest of China.

（中国日报网英语点津 Helen 编辑）

About the broadcaster:

Anne Ruisi is an editor at China Daily online with more than 30 years of experience as a newspaper editor and reporter. She has worked at newspapers in the U.S., including The Birmingham News in Alabama and City Newspaper of Rochester, N.Y.