Hi Gretchen,
Can you refer us specifically to any of Tom Strang's research? I
cannot see the work you refer when I search for it, but probably I am
missing something. It is my understanding that the freeze thaw cycle
degrades DNA by shortening the fragments that can be extracted, but I
would love to know if that is wrong.
Thanks!
Tonya
------------------------------------------------------------------------
*From:* [email protected] <[email protected]> on
behalf of Anderson, Gretchen <[email protected]>
*Sent:* Thursday, 1 October 2020 6:45 AM
*To:* [email protected] <[email protected]>
*Subject:* RE: [PestList] RE: Large scale pest treatment in the
mid-Atlantic area
The heat level that is recommended should not affect the fats and
oils, nor the DNA – See Tom Strang’s research.
*From:* [email protected] <[email protected]> *On
Behalf Of *Pollack, Richard J
*Sent:* Wednesday, September 30, 2020 4:21 PM
*To:* [email protected]
*Subject:* Re: [PestList] RE: Large scale pest treatment in the
mid-Atlantic area
Freezing would seem a good option. If that is deemed impractical,
consider encasing specimens in large plastic bags. Within each bag,
enclose an IGR, the vapors of which may offer long term value. That
should be more agreeable to the taxidermy mounts (they certainly won’t
complain) than by fumigating with some toxicants. It might also be a
good supplemental strategy even after freezing.
The IGR won’t eliminate all damage, but it should decrease the
population of pests long term. So, it is more of a slow death for the
taxidermy mounts, delaying the inevitable.
*Richard J. Pollack, PhD*
*HARVARD UNIVERSITY*
Environmental Health and Safety (EH&S)
Senior Environmental Public Health Officer
46 Blackstone St.
Cambridge, MA 02139
*Office*: 617-495-2995 *Cell*: 617-447-0763
_www.ehs.harvard.edu <http://www.ehs.harvard.edu>_
[email protected] <mailto:[email protected]>
*From: *'Thomas Parker' via MuseumPests <[email protected]
<mailto:[email protected]>>
*Reply-To: *"[email protected]
<mailto:[email protected]>" <[email protected]
<mailto:[email protected]>>
*Date: *Wednesday, September 30, 2020 at 3:24 PM
*To: *"[email protected] <mailto:[email protected]>"
<[email protected] <mailto:[email protected]>>
*Subject: *Re: [PestList] RE: Large scale pest treatment in the
mid-Atlantic area
One should never use heat for taxidermy mount disinfestation. Heat
solubilizes fats and oils in the skins and ruins them. Freezing is
acceptable.
Tom Parker
On Sep 30, 2020, at 12:14 PM, Anderson, Gretchen
<[email protected] <mailto:[email protected]>> wrote:
Hi Jean,
I do not have a recommendation as to a specific company that has a
freezer truck, however, I do recommend that you take a look at
https://museumpests.net/solutions/
<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2furldefense.proofpoint.com%2fv2%2furl%3fu%3dhttps-3A__museumpests.net_solutions_%26d%3dDwMFaQ%26c%3dWO-RGvefibhHBZq3fL85hQ%26r%3dGO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE%26m%3d-tb0xk4qADH5reqn6-Qpf6n4DEa0csFjfSzb1GOx_38%26s%3dnDdytPp1wCEdcRGPEEYtFLPuQbSWztJaMzIjt2QPBow%26e%3d&c=E,1,3m3vIdCUzJ1BuCiI4NHdVxa-uFEVD4Z-a8dSh49L4kZMo3ts4CL-igWdIwYCC46oirGC6wjEmLbIZ4kbtI_DRY6M8O_MnL0fVHD10KRQx0uko6dN2R1JGg,,&typo=1>.
Pay particular attention to Low temperature Treatment (Freezing),
Heat Treatment and Anoxic treatments. Fumigation with toxic
gasses is not really a viable option, given local and federal
regulations and bans of the chemicals that are actually effective.
By following the recommendations described on these pages you
should be able to find a solution that works for you. You will be
able to ask the questions of the various companies, that will
allow you to choose an appropriate company.
I directed a museum natural history collection move in 1999. We
used freezing on all specimens susceptible to pest infestation
prior to the move. We had a walk in Freezer – so it was done in
phases. After moving into the new facility we continued to
monitor. We eliminated all pest activity on specimens (taxidermy,
study skins etc). We could have shortened the process had we used
freezer trucks.
When you are researching this, check into companies that use heat
treatments – this is more common now because they use it against
bed-bugs. Follow the guidelines on the Heat treatment page to
protect your specimens. For anoxic, I believe there are companies
who rent out CO2 Bubbles. Remember that anoxic will take longer
than either heat or freeze.
Good Luck
Gretchen Anderson
Conservator
Carnegie Museum of Natural History
5800 Baum Blvd.
Pittsburgh, PA 15213
[email protected] <mailto:[email protected]>
(412)665-2607
*From:* [email protected]
<mailto:[email protected]> <[email protected]
<mailto:[email protected]>> *On Behalf Of *Jean Woods
*Sent:* Wednesday, September 30, 2020 10:48 AM
*To:* [email protected] <mailto:[email protected]>
*Subject:* [PestList] Large scale pest treatment in the
mid-Atlantic area
Hi,
We’re about to embark on a major exhibits renovation project and
we would like to pest treat all of the taxidermy that is coming
off exhibit and going back into storage. This includes numerous
large animals (antelope, bears, large cats) and we do not have a
freezer large enough to treat them in. We’d ideally like to avoid
shipping all of these specimens due to the risk of damage. We are
looking at either freeze treatment or fumigation (which I’m sure
won’t be a good option for everyone on the list but it has some
advantages in our situation that we can’t ignore). We’ve pretty
much eliminated anoxic treatment due to its slowness and technical
complexity.
I’m wondering if anyone in the mid-Atlantic region has experience
with a vendor who is able to bring a truck capable of either
freeze treatment or fumigation onsite? We have plenty of space to
park a truck and feel that moving specimens into and out of a
truck will be much safer than shipping them to a facility for
treatment. I’m also interested in hearing from anyone who has
done this at their facility so I can get any advice they might
have to offer.
Thanks for any suggestions! Jean
Jean L. Woods, Ph.D. Phone: 302-658-9111 x314
Curator of Birds Fax: 302-658-2610
Delaware Museum of Natural History [email protected]
<mailto:[email protected]>
P.O. Box 3937 www.delmnh.org
<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2furldefense.proofpoint.com%2fv2%2furl%3fu%3dhttps-3A__linkprotect.cudasvc.com_url-3Fa-3Dhttp-253a-252f-252fwww.delmnh.org-252f-26c-3DE-2C1-2Cd5rsinhAlDvrG0BCCmX5PW5Vz0wyLNyL396bC9lHhjUFI8ukS875r5ktBOxsY-2D-2DQTrTIYmFZQ1ggxoYgjL-2DbO507S2CWF1m081j511kjZIpfZ9I2Zq-2D9-2DPcb1rI-2C-26typo-3D1%26d%3dDwMFaQ%26c%3dWO-RGvefibhHBZq3fL85hQ%26r%3dGO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE%26m%3d-tb0xk4qADH5reqn6-Qpf6n4DEa0csFjfSzb1GOx_38%26s%3dYePIejc5TpVuoKMcxJSWSQ4RJUdofoS-LfYv6rv0_3Q%26e%3d&c=E,1,EMLbFJwqYtntQpDyslDJayAgE9LivenqAM4c2E8CuobOdfSBkw51xwKpDCqc8jNbqxRVvuHZrZZYhhwPXOky8efky49QUXeRYI_04if5WU2EpKfUPA,,&typo=1>
(4840 Kennett Pike)
Wilmington, DE 19807
/Feast on the Beach: The Delaware Bay Horseshoe Crab Shorebird
Connection
<https://linkprotect.cudasvc.com/url?a=https%3a%2f%2furldefense.proofpoint.com%2fv2%2furl%3fu%3dhttps-3A__linkprotect.cudasvc.com_url-3Fa-3Dhttp-253a-252f-252fwww.delmnh.org-252ffeast-2Don-2Dthe-2Dbeach-252f-26c-3DE-2C1-2CxvhRQuXrsznx-5FqGRtGd0t8FGTSYSjVw9yRpq3Ry-5FetdvlSNMs8gdstB1qRgg40SHhr-2Dg-5FYXyaXELvq3j9rWDccl56LuBP7UKgBH3LCfLs5FL-2DhKb85fc-26typo-3D1%26d%3dDwMFaQ%26c%3dWO-RGvefibhHBZq3fL85hQ%26r%3dGO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE%26m%3d-tb0xk4qADH5reqn6-Qpf6n4DEa0csFjfSzb1GOx_38%26s%3d5NfVtqY8FyLgIxDXf0cwC7JBTr0QUK1GtwydiIdBLqo%26e%3d&c=E,1,Y6ErcTw0IPIZmeQ8DFAJNbepvPncZvsJgbmttNhyOW9Spzu4ykP2_h-bsDKhSSbMlUgX7Bmc0e1cskYo_XfMvzRo2DojFe6uwDwLhu9fKJcTb9hF65Me9g,,&typo=1>/–
a film from the Delaware Shorebird Project
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