vandas

U.S. National Zoo mourns the death of giant panda cub, just eight days after it was born, b' H3 j8 H2 C% b  e. v0 m9 c2 ~
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The giant panda cub born a week ago at the National Zoo in Washington has died. tvb now,tvbnow,bttvb. t& d7 P9 \2 I3 A

" m, |2 U4 }" yZoo 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.
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1 N4 m9 T' V- l* r: ?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.
) }" [# i* u/ C/ x$ i, J, etvb now,tvbnow,bttvbIt was not immediately clear what had cause its death.公仔箱論壇* y* G  h" b, Y

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Mother: Mei Xiang gave birth Sunday at 10:46 p.m. She is pictured in a Dec. 19, 2011 file photo
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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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% Q# u9 C1 o7 D( V; J. ^. m! |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。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.
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$ K+ I; ~+ Z5 I- T& bwww3.tvboxnow.comThe 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.
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! S/ s0 |) N* z: P9 [9 ktvb now,tvbnow,bttvbThe 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. 2 r: g* a% [1 Y, {' ]" J
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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.www3.tvboxnow.com% ]7 [. L. H7 E4 _* p. l' y

2 p. x; c6 U, v. d( A1 @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.
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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.
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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.tvb now,tvbnow,bttvb$ `4 Q5 b5 z6 L4 r; V/ O6 e* t" A

9 ~2 V" Y$ I8 M8 R1 m! J2 ~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。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.www3.tvboxnow.com1 L0 v2 J2 `4 M% q( @* d
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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.公仔箱論壇1 _, L7 c8 C  _* q8 {

; `- z5 S/ O* l5 OIn 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.www3.tvboxnow.com& U* ~0 C1 m; b$ i; L
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Watch: Dennis Kelly, the zoo's director, monitor's Mei via the panda cam
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0 g( ~# M& G) D1 b" D6 lwww3.tvboxnow.comYummy: Mei is rewarded with honey water when she participates in an ultrasound earlier in September ( x1 t1 N7 l9 F! V, ^! u
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Careful: The staff found the dead cub after hearing distress calls coming from Mei Xiang $ Y" @, b4 \; `& |" [0 o

* \# i8 |; M9 d" F! y公仔箱論壇The cub was the second born to Mei Xiang and Tian Tian as the result of artificial insemination.
% w/ k, L/ z' p'Mei Xiang is behaving exactly the same way she did when Tai Shan was born,' Chief Veterinarian Suzan Murray said.
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0 _( F3 q5 V" O7 tTVBNOW 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。'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.'* y( Z2 b* Q4 v: q; w
She continued: 'She is the poster child for a perfect panda mom.'
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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.
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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.
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* @1 n2 e7 C" R( i0 I'[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.'
2 N( k2 g. f( w) o公仔箱論壇Chief Veterinarian Suzan Murraywww3.tvboxnow.com/ l. |6 S) M$ U, z

" S; F. T/ M4 N3 e. atvb now,tvbnow,bttvbVeterinarians 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.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。" `. V) W, e" F

- f/ v4 \' [4 \& J0 A0 z0 ~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。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.tvb now,tvbnow,bttvb! J# |; {: n( }, w8 J

7 b5 ~, y# z4 R; A; |' g; Bwww3.tvboxnow.comFemale giant pandas behave the same way if they are pregnant or not, according to the Zoo's website.tvb now,tvbnow,bttvb) R6 d; a  n9 u
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Unlike humans, doctors cannot determine if a female panda is pregnant by analyzing her hormones. tvb now,tvbnow,bttvb- @. s" s) o9 \
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. M& ~! ^+ c5 [6 R) TPreparing: For the past several months, the panda house was closed to visitors so Mei could rest
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/ L" q0 u, H: C2 o) QConception: She was artificially inseminated in April and on average, panda pregnancies last 90-160 days
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During a pseudopregnancy a female giant panda’s hormones and behavior are identical to a pregnancy, but she never conceives a cub.
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What Mei Xiang’s hormones can predict, however, is when we can expect the birth of a cub, or the end of a pseudopregnancy.