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標題: [美洲] 大熊貓幼仔在華盛頓動物園死亡 [打印本頁]

作者: allo 時間: 2012-9-24 07:41 AM 標題: 大熊貓幼仔在華盛頓動物園死亡

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▲熊貓館外的告示板上仍是幼仔出生時的喜訊
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週日（9月23日），美國華盛頓國家動物園表示，生活在那裡的中國大熊貓「美香」一週前產下的熊貓幼崽夭折。

週日早晨，華盛頓國家動物園的工作人員和志願者聽到大熊貓「美香」發出一聲哀號後發現，這只尚未命名的幼崽死亡。

動物園官員說，體重不到100克的這只熊貓幼崽的死因目前尚不明朗，因為它沒有外傷或感染的跡象。8 r( {2 i) J- n
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動物園熊貓館外週日仍然張貼著幼仔出生時的告示：國家動物園驕傲地宣佈，大熊貓寶寶於2012年9月16日晚上10時46分誕生。
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14歲的雌性熊貓美香被形容為「好媽媽」。經過5年的努力，「美香」才終於懷孕，於9月16日產下幼崽。
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這是「美香」生下的第二隻熊貓幼崽。它的第一個後代生於2005年，目前生活在中國四川臥龍大熊貓基地。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" P3 D1 }+ y  J/ i" K* n  ~3 l

中國媒體為大熊貓幼仔的死亡發出的新聞稱：旅居美國的大熊貓幼仔夭折。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' C: K; P- n  G5 L8 U1 S5 W

作者: vandas 時間: 2012-9-24 01:34 PM

U.S. National Zoo mourns the death of giant panda cub, just eight days after it was born* L$ O( J7 A7 N5 y, O

The giant panda cub born a week ago at the National Zoo in Washington has died.
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Zoo officials said in a press release that the cub was found dead on Sunday morning after panda keepers heard sounds of distress from its mother, Mei Xiang.

Staffers were able to retrieve the cub about an hour later. The cub appeared to be in good condition, and there were no outward signs of trauma or infection.
It was not immediately clear what had cause its death.

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Mother: Mei Xiang gave birth Sunday at 10:46 p.m. She is pictured in a Dec. 19, 2011 file photo5.39.217.76  P8 }8 Q! m- O8 N; y) ?
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The cub had been a surprise at the zoo. Fourteen-year-old Mei Xiang had five failed pregnancies before giving birth, and only one panda cub has survived at the zoo in the past.
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Panda cubs are born about the size ofa stick of butter and are delicate infants. Panda mothers are about 1,000 times heavier than their cubs, which are born with their eyes closed.

The delicate cubs have died in the past when accidentally crushed by mom. That happened in two different zoos in China in 2009 and 2010 when mothers killed their young while attempting to nurse.tvb now,tvbnow,bttvb  `- [/ j& @  d
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The zoo's first panda couple, Ling Ling and Hsing Hsing, arrived from China in 1972 and had five cubs during the 1980s, but none lived more than a few days. $ P9 N# d) C+ d: N
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One of the cubs was stillborn, two others died of pneumonia within a day, another died from lack of oxygen after birth, and the final cub died of an infection after four days.
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Panda experts have said the first weeks of life are critical for the panda cubs as mothers have to make sure they stay warm and get enough to eat., Z2 H  i+ b+ o# N* j. R# X

Sad news: Dennis W. Kelly (L), Director of the Smithsonian's National Zoo, and Suzan Murray (R), chief veterinarian of Smithsonian's National Zoo talk about the sudden death of the baby panda cub during a press conference
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The panda died just eight days after it was born
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'It's kind of a nerve-racking period for the folks that are monitoring mom and cub,' Rebecca Snyder, the curator of mammals at Atlanta's zoo, said last week. Atlanta is one of only two other American zoos to have had cubs.

Atlanta has had three cubs, and the San Diego zoo has had six, including a cub born this year. A panda couple in Memphis has yet to have a cub, despite several tries. No otherU.S. zoos have pandas.公仔箱論壇7 F8 u" _0 m8 v+ Z
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The cub had not yet been named in accordance with Chinese tradition - it was to receive a name after 100 days on Dec. 24. Had the cub survived until then, it would have been roughly the size of a loaf of bread and weighed around 10 pounds.

Mei Xiang gave birth Sunday at 10:46 p.m., the zoo said. The staff could hear the cub, but were unable to immediately see it because Mei Xiang has built a large nest in her den.tvb now,tvbnow,bttvb  r' {) b5 R$ P' `' U2 s: ]+ a

In a news release, Dennis Kelly, the zoo's director, said he was thrilled. 'I'm cautiously optimistic as we haven't seen the cub yet, but we know that Mei is a good mother,' Kelly said.5.39.217.76- Y# w# k! z/ j5 V  I

Watch: Dennis Kelly, the zoo's director, monitor's Mei via the panda cam1 s4 S% L6 B' a

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Yummy: Mei is rewarded with honey water when she participates in an ultrasound earlier in September

Careful: The staff found the dead cub after hearing distress calls coming from Mei Xiang TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。9 u8 ~" l0 A4 F" \+ x/ M

The cub was the second born to Mei Xiang and Tian Tian as the result of artificial insemination.
'Mei Xiang is behaving exactly the same way she did when Tai Shan was born,' Chief Veterinarian Suzan Murray said.

'Sheis cradling her cub closely, and she looks so tired, but every time shetries to lay down, the cub squawks and she sits right up and cradles the cub more closely.'公仔箱論壇4 j* O5 r  [% }% v( W2 X
She continued: 'She is the poster child for a perfect panda mom.'

For the past several months, the panda house was closed to visitors so Mei could rest. She was especially sensitive noise, so her doctors kept a quiet watch on the soon-to-be mother.tvb now,tvbnow,bttvb9 Q" h4 i9 H) m, R
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She worked feverishly on building her nest for her newborn, shredding bamboo and cradling her toy as she waited for the baby.

'[Mei] is cradling her cub closely, and shelooks so tired, but every time she tries to lay down, the cub squawks and she sits right up and cradles the cub more closely.'! O! l2 l6 w9 R  ^
Chief Veterinarian Suzan Murray

Veterinarians tried to give her an ultrasound during this time, as they were unsure if she was pregnant. She was artificially inseminated in April and on average, panda pregnancies last 90-160 days.  A: |: g6 S8 K7 o  l/ a

Mei Xiang has had five consecutive pseudopregnancies since 2007 and had a less than a 10 per cent chance of being pregnant after so many failed attempts.5.39.217.76; H7 _- @# v, {6 z
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Female giant pandas behave the same way if they are pregnant or not, according to the Zoo's website.6 u7 f! H$ \6 k$ x* G' w% o
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Unlike humans, doctors cannot determine if a female panda is pregnant by analyzing her hormones. 3 p7 K0 r8 H$ g+ C! I4 D
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Preparing: For the past several months, the panda house was closed to visitors so Mei could rest
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Conception: She was artificially inseminated in April and on average, panda pregnancies last 90-160 daystvb now,tvbnow,bttvb0 ] b0 D+ Q' h7 Z; _' E

During a pseudopregnancy a female giant panda’s hormones and behavior are identical to a pregnancy, but she never conceives a cub. tvb now,tvbnow,bttvb$ P/ C" A( E* h0 m; X* W

What Mei Xiang’s hormones can predict, however, is when we can expect the birth of a cub, or the end of a pseudopregnancy.

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