"Resembled be being beaten by firm firm on the face one fist. " corrode of beautiful completion of @ of author of famous popular science is written.
On April 13 13:20, china is current and exclusive turtle of spot of a female undertakes the 5th times in Suzhou animal test-tube hind death.
On April 13 13:20, china is current and exclusive turtle of spot of a female dies. Daily of Suzhou of article picture @
It produces egg 2-3 litter every year, arrive from Changsha zoo change one's dwelling house before this have male and individual Suzhou zoological garden, in order to have breed, but 4 of in the past test-tube all fail. The expert says to take egg difficulty, its clone technology is not quite mature.
"This is a disastrous loss. " 13 days of evening, suzhou daily released pertinent information.
But the circumstance such as the dead reason of test-tube operation and spot turtle remains to be announced further.
"Actually before feel to be able to be eradicated (it did not have a habitat, also did not have kind group) . But die only only, be bungled like one hammer hammer really come down. " 13 days of evening, @ spends completion corrode to tell a reporter.
"I am particularly sad now, do not have method to answer the question of any concerned spot turtle. " 13 days of evening, life of college of Anhui yellow hill and Lv of environmental science prexy arrange Puritanism to award reply reporter to say. He participates in Suzhou zoo all the time before this spot turtle is artificial breed and test-tube job.
Accordingly before report, turtle of this female spot comes from Changsha zoo, after the exhibition is old, be sent toward Suzhou zoo to raise with artificial breed, had test-tube attempt 4 times early or late, but fail (although female spot turtle lays eggs, but abortive insemination) .
Suzhou zoo, Changsha zoo (female turtle former seat) , WCS (protection of wild living things learns international) etc 4 units and association participated in this project jointly before this.
On April 12, 2019, scientific research group has test-tube attempt the 5th times.
According to Suzhou daily message, test-tube process is successful, but female spot turtle fails come to, die finally. Its are ovarian the organization is collected by the expert, aspic is put.
Relevant expert expresses, terrapin kind the oldest age that has account is more than 160 years old. And age of turtle of dead female spot is more than 90 years old. It lays eggs before this the circumstance is relatively stable, annual 2-3 nest; The male spot turtle of Suzhou zoo occupies conjectural age to be in 100 years old or so.
Spot turtle is the biggest weak forgbit on the world, back armour can amount to 1.5 meters, weight 115 kilograms. It ever distributinged extensively at catchment of the Yangtse River (Qian Tangjiang, too lake) with region of Yunnan red river. But begin from 2006, the young that red river region had not discovered spot turtle up to now and inferior adult.
Spot turtle is called again the most alone animal, exceeding be in severe danger.
After female spot turtle is being narrated to die before, the spot turtle that the whole world survives only remnant 3: China, vietnam two.
Rao Dingqi of deputy researcher of institute of animal of Kunming of Chinese Academy of Sciences expresses in relevant article, from on 50 time go to the century 70 time, what turtle sufferred the spot of red river region to have an organization is many catch, partial live body flows into a few zoos of domestic such as an old, Kunming, Beijing, Shanghai to raise subsequently.
The data of WCS shows, the back armour of the male spot turtle of Suzhou zoo and genital have serious scar, caused deformity all one's life, cannot natural insemination.
And live in Vietnam east Mo Hu (Dong Mo Lake) spot turtle is male and individual as it is said, did not grant to confirm; In April 2018, american Washington city establishs university assistant to teach Caren Goldberg to pass detect environmental DNA (EDNA) , think the western Xuan Hanhu inside Vietnam river (Xuan Khanh Lake) the life is worn turtle of a spot.
Before this, according to Yunnan horse of red river region blocks landscape library up report of the dweller around, the likelihood inside this reservoir has more even a spot turtle existence, but already also may be died by electrical shock when illegal report fishs. Mixed 2016 2017, include international student inside the group blocked landscape library up to undertake searching for mixing in the horse ensnare, but did not find the turtle that win spot.
Why turtle of cannot grand spot?
Lv Shunqing this is forward reporter explanation says, the large crawl such as terrapin kind the artificial clone technology of the animal still matures not quite. "The oocyte of spot turtle has ping-pong volume, add outside have thick case, it is very difficult to take egg. It is very difficult to take egg..
2016, the another spot turtle that lives in the city inside Vietnam river to return sword lake " chelonian ancestor " (Cu Rua) die, after this, somebody offers to cross the spot turtle of the spot turtle of Chinese Suzhou zoo and Vietnam condition " appointment " , perhaps carry its spermatozoon, in order to enter pedestrian labour insemination. But up to now, this plan comes out without new information.
