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Title: Biology/Cryobiology - Conservation of endangered animals by using sperm and embryo freezing A project to preserve several endangered mammals of far northern Europe, using cryopreservation. At the University of Kuopio, Finland.
Cryobiology International journal of low temperature biology and medicine. Published by the Society for Cryobiology.

Cryobiology_and_Anhydrobiology_-_School_of_Physics,University_of_New_South_Wales,_Sydney_Australia Research and introduction by Associate professor Joe Wolfe

Cryobiology__Low_temperature_studies_of_biological_systems A readable summary of the field of cryobiology by a college biology student, but with some confused opinions about the intent of the field.

Cryolab_-_Roskilde_University Cryobiology laboratory at Roskilde University, Denmark. Concentration on cold adaptation in animals, with ongoing research in antifreeze proteins, microtubules, cryopreservation.

CryoLife,_Inc_ Manufacturer of medical tissues, heart valves, and oncology drugs. Shown are tissue services, research and company profile.

Cryopreservation_Application_Guide A detailed introduction to cell preservation technology from Nalgene Nunc. PDF file (249K)


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Conservation of endangered animals by using sperm and embryo freezing  Maija Valtonen, University of Kuopio  There is an urgent need to protect and conserve endangered wildlife in the world. The traditional means of doing this is to regulate human use of specific species or nature areas by legislation. However, the changes in environment and other circumstances have driven man into a situation where it is impossible to stop destruction of many species without special conservation programs. These programs have traditionally included breeding animals in captive surroundings, which again often is very difficult and limits the number of individuals thus restricting the genetic basis. A decrease in the genetic variation in a population results finally in failures in reproduction and total vitality.  The modern techniques make it possible to preserve large gene materials by freezing sperm or gametes. Sperm freezing, artificial insemination and embryo transfer are routine methods in several domestic species and applications of these techniques may also be used in wild species. However, reproduction physiology is quite species-specific and before any technique can successfully be applied, the main reproduction features like seasonality, estrous cycling, timing of ovulation and fertilization, sperm production and quality etc. must be examined in target species or at least in a nearby relative species. Thus it gives remarkable benefit to research if a domestic and easily available species for experiments exists. By using this type of model species, progress in research is fast and effective and saves the rare endangered individuals from experimental work until the last steps.  The project "Ex-situ conservation of endangered species by cryopreservation of gametes and embryos" will be concentrating in three endangered mammalian species which all have a close relative species available in farm conditions. The farmed blue fox will act as a model for the Arctic fox, the semidomesticated reindeer for the European forest reindeer as well as the polecat for the European mink.  Project title:  Ex-situ conservation of endangered species by cryopreservation of gametes and embryos  Project leader:  Professor Maija Valtonen  Department of applied zoology and veterinary science,  University of Kuopio  P.O.Box 1627,  FIN-70211 Kuopio, Finland  tel: .+358-17-163370, fax.+358.17-163148  e-mail.: maija.valtonen(at) uku.fi  Back to previous level To FIBRE main page
 

A

project

to

preserve

several

endangered

mammals

of

far

northern

Europe,

using

cryopreservation.

At

the

University

of

Kuopio,

Finland.

http://fibre.utu.fi/proj/35.htm

Conservation of endangered animals by using sperm and embryo freezing 2008 November

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A project to preserve several endangered mammals of far northern Europe, using cryopreservation. At the University of Kuopio, Finland.

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