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Tuesday, 08/04/2015 10:17:55 PM

Tuesday, August 04, 2015 10:17:55 PM

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http://baoloc.net/news/nuoi-tam-lai-nhen-co-hoi-hay-moi-nguy-hai-7.html

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HYBRID SILKWORM REARING SPIDERS, OPPORTUNITY OR THREAT?
On 26/12, the Department of Agriculture - Rural Development (MARD) Lam Dong said: MARD had formal opinion on the proposal of Lam Dong province in Official Letter No. 53 / Committee-NN dated 11.17.2014 sent to MARD in Lam Dong suggest allowing cooperation with foreign corporations conducting transgenic silkworm rearing - hybrid spider silk. According to Official Letter No. 10 246 / BNN-Sun of MARD, the Lam Dong temporary project not implemented hybrid silkworms with spider reason we have sufficient capacity to manage the strange animal genus genetically identifiable " Hybrid spider silk "is.

Results of a new study

According to a written request of Lam Dong province, spider hybrid silkworm rearing is an entirely new field of agricultural production of Vietnam, and of course for Lam Dong Province - one of the major local occupations sericulture. According to this document, recently, the Group Kraig Biocraft Laboratores (KBL) has put the issue of cooperation with Lam Dong testing hybrid model sericulture and silk spider to grab Lam Dong has been agreed in the policy . However, with the written reply of the Ministry of Agriculture and Rural Development, this program can be stopped.

Dispatch of MARD, said: "The management of genetically modified animals and genetically modified organisms is a new field in the world in general and Vietnam in particular. For genetically modified animals, very few in the world policy applies to trials to evaluate the effects on the environment and biodiversity, largely due to difficult risk management. Currently in Vietnam there is no legal framework and inadequate management capacity to new areas ". Therefore, in the written replies suggest Lam Dong province, MARD has asked Lam Dong temporarily not to deploy the combination with KBL Group project transgenic silkworm rearing until Vietnam has legal framework in this field.

Notably, the written reply of Lam Dong province, MARD stating only reason is because Vietnam has no legal framework on this new field should be temporary rather not implemented denied spider hybrid silkworm rearing with its benefits.

According to the expertise of Lam Dong DARD, not only works for the silkworm silk new "do" is that some other animals, including spiders, also for silk. But so far, most of the nations of the world only take animals almost solely silkworms to produce silk, but no other animal can "compete" with silkworms. However, recent research by many scientists around the world showed that spider silk as well as animal silk and spider silk as a material is very special: There are mechanical strength superior to silk, used in military technology (bulletproof vests), in car manufacturing technology ...

However, according to research by scientists around the world, although there are a few advantages compared with gossamer silk but was not selected in daily life by the restrictions: The length of spider silk fibers are often too short (only about 20 - 30 cm than silk yarn per 1,000 m); to get spider silk fibers, need a "technology" special silk cup and almost have to do it manually; and finally, raising silk spider to get extremely hard, totally unlike silkworm rearing, ie can not feed into "herd" as silkworms, spiders make silk and best is predatory spiders should increasingly difficult to raise.
The careful necessary?

Based on animal studies last two spinneret, recently, a number of scientists from the University of Wyoming (USA) conducted a new study and succeeded: Transplanting a string of spider genes into silkworms and the spider silk genes have implanted a kind of elastic silk and spider silk durable but almost equal in length to the length of silk.

In other words, the normal worm, scientists can make it genetically so that it can produce synthetic silk protein containing substances such as spider silk and silk have characteristics superior to conventional silk. With these results, the scientists set expectations for the future, the world is fully capable of producing an entirely new kind of silk worm with genetically modified to produce large quantities of ultra fabrics durable, even producing the bulletproof vest ...

According to the scientists, the genetically modified silkworm silk is also used in the medical field (bandages, artificial tissues frame, artificial tendons, ligaments, surgery ...) and in many other areas. Based on the research results of the scientists from the University of Wyoming (USA), KBL Group has chosen to Vietnam and Lam Dong to deploy hybrid spider sericulture projects. KBL why choose local Lam Dong is because this is considered the "capital" of the country's mulberry, local farmers are more experienced in the profession sericulture, and this is going local first in the country to develop high-tech agriculture.

However, speaking as a leader of Lam Dong DARD prior written proposal temporarily not project between Lam Dong with KBL Group silkworm breeding hybrid spider that: "It is very possible that this is a breakthrough new in agriculture, especially in the field of sericulture, but the law is the law; because Vietnam has no legal framework on this new field should force us to comply, that is temporarily not able to implement the project ".

Before the decision of the Ministry of Agriculture and Rural Development, public opinion also raises questions: Is such as we have missed an opportunity in the development of agriculture, namely developing sericulture job? However, there are also suggestions that the prudence of such MARD is necessary because of the genetic modification is still two conflicting streams of opinion!

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