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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Thanks, Simon, that eases my concerns a bit!
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Yes it’s very dry here, phew. Our egg clutches are also typically not so old. Mostly they are from the 1920s-1070s, and we have been transferring them from their pretty old wooden cabinets to archival
boxes in HDPE drawers when we get new collections in. We have used cotton or ‘raylon’ as bedding for many of the clutches, however. We will probably not go back and transfer those clutches onto new synthetic material, so thanks for easing my mind about that…but
I suppose we should seriously consider getting polyester bedding for the clutches that still need bedding…. Anyone have suggestions for a fine/soft version of Dacron?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Incidentally, our emeritus curator of birds just told me that the egg membrane becomes very acidic when eggs get close to hatching (to help weaken the shell so the chicks can get out more easily),
and that he noticed some problems with eggs (sounds similar to Byne’s Disease?) that had been collected at very late stages where the membrane was not removed.
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Cheers,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Tonya<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Simon Moore <couteaufin@btinternet.com>
<br>
<b>Sent:</b> Thursday, 7 October 2021 7:24 PM<br>
<b>To:</b> Haff, Tonya (NCMI, Crace) <Tonya.Haff@csiro.au><br>
<b>Cc:</b> Mariana Di Giacomo <maru.digi@gmail.com>; Callomon,Paul <prc44@drexel.edu>; Sergio Montagud <sergio.montagud@gmail.com>; NHCOLL-new <nhcoll-l@mailman.yale.edu>; Sergio Montagud <montagudsergio@gmail.com><br>
<b>Subject:</b> Re: [Nhcoll-l] Guata / Watte for curation subjects<o:p></o:p></span></p>
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<p class="MsoNormal">Hi Tonya,<o:p></o:p></p>
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<p class="MsoNormal">If the environmental conditions are good, you should have nothing to worry about. The experience that I mentioned occurred due to old cotton wool (100 years old) and a rather different formulation I suspect, high RH and the eggs were stored
in VOC active wooden cabinets since these were the norm back in the early 1900s in grand houses.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">With all good wishes, Simon<br>
<br>
Simon Moore MIScT, RSci, FLS, ACR<br>
Conservator of Natural Sciences and Cutlery Historian,</span><br>
<br>
<a href="http://www.natural-history-conservation.com">www.natural-history-conservation.com</a><br>
<br>
<br>
<img border="0" width="240" height="100" style="width:2.5in;height:1.0416in" id="_x0038_CF25445-D5A0-4ECA-9387-8D2E4250384A" src="cid:image001.png@01D7BC47.71E98BF0"><img border="0" width="394" height="90" style="width:4.1041in;height:.9375in" id="_x0037_CEE6CBD-3461-4138-80F2-D7A829453AA4" src="cid:image002.jpg@01D7BC47.71E98BF0"><o:p></o:p></p>
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<p class="MsoNormal">On 6 Oct 2021, at 23:54, Haff, Tonya (NCMI, Crace) <<a href="mailto:Tonya.Haff@csiro.au">Tonya.Haff@csiro.au</a>> wrote:<br>
<br>
Thanks for this thread, it’s very interesting. The discussion of Byne’s Disease makes me nervous, though, as most of our eggs are on cotton wool. We are in a very dry environment, and soon to be moving to a site with controlled humidity. I have avoided cushioning
eggs with Dacron/polyester batting because it tends to be a bit springier and clingier, and I worried about it getting caught in any rough edges on poorly blown or cracked eggs. I’m curious if any of you have opinions on whether we should be rethinking the
use of cotton wool in light of the potential problems with Byne’s Disease?<br>
<br>
Cheers,<br>
<br>
Tonya<br>
<br>
From: Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu">nhcoll-l-bounces@mailman.yale.edu</a>> On Behalf Of Mariana Di Giacomo<br>
Sent: Thursday, 7 October 2021 3:16 AM<br>
To: Callomon,Paul <<a href="mailto:prc44@drexel.edu">prc44@drexel.edu</a>><br>
Cc: Sergio Montagud <<a href="mailto:sergio.montagud@gmail.com">sergio.montagud@gmail.com</a>>; <a href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a>; Sergio Montagud <<a href="mailto:montagudsergio@gmail.com">montagudsergio@gmail.com</a>><br>
Subject: Re: [Nhcoll-l] Guata / Watte for curation subjects<br>
<br>
Hi Sergio,<br>
<br>
"Guata" is batting, so hopefully it is polyester batting, although you should ask just to be safe. For short term transport it is ok but make sure that if they're using this material for permanent storage, that it is placed correctly because eggs are so light that
they can spring if the batting is compressed. Another thing to keep in mind is if you have broken eggs, because the batting can get caught in the cracks, so whoever is manipulating these, should be very careful. In short, it is an acceptable material with
certain caveats that you should examine for your specific case.<br>
<br>
Let me know if you have any other questions, estoy a las órdenes.<br>
Best,<br>
Mariana<br>
<br>
Mariana Di Giacomo, PhD<br>
Natural History Conservator, Yale Peabody Museum<br>
Associate Editor, Collection Forum, SPNHC <br>
Secretary/Communications APOYOnline<br>
<br>
<br>
<br>
El mié, 6 oct 2021 a las 12:09, Callomon,Paul (<<a href="mailto:prc44@drexel.edu">prc44@drexel.edu</a>>) escribió:<br>
Hi Sergio,<br>
<br>
“Watte” is the Japanese word for cotton wool, so I think it’s an international term. If they are using polyester batting (sold for stuffing pillows, toys etc.) then there’s no problem. Short-term use of cotton wool is also OK, but it is not suitable for long-term
storage in closed environments as it is cellulose and can thus (theoretically at least) cause “Byne’s Disease” in calcium compounds.<br>
<a href="https://conchologistsofamerica.org/bynes-disease-questions-and-answers/">https://conchologistsofamerica.org/bynes-disease-questions-and-answers/</a><br>
<br>
<br>
Paul Callomon<br>
Collection Manager, Malacology and General Invertebrates<br>
Academy of Natural Sciences of Drexel University<br>
1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA<br>
<a href="mailto:prc44@drexel.edu">prc44@drexel.edu</a> Tel 215-405-5096 - Fax 215-299-1170<br>
<br>
<br>
<br>
From: Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu">nhcoll-l-bounces@mailman.yale.edu</a>> On Behalf Of Sergio Montagud<br>
Sent: Wednesday, October 6, 2021 11:27 AM<br>
To: <a href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a><br>
Cc: Sergio Montagud <<a href="mailto:montagudsergio@gmail.com">montagudsergio@gmail.com</a>><br>
Subject: [Nhcoll-l] Guata / Watte for curation subjects<br>
<br>
External.<br>
<br>
Hi everyone,<br>
<br>
Yesterday, a company that helps us to transport specimens for a coming exposition, come to the museum to prepare all the material. I help them in the process and when we want to arrange a large box of bird eggs, I see they wanted to use a thing close to the
cotton to ensure the samples. They told me that that material was "Guata" (I think watte in English), and I can use it extremely well to ensure individual each egg on his box. My question is if anybody has used this material in his museum work and if somebody
knows negative effects for the specimens, such as acid components in the fiber that can damage thespecimens or something like that.<br>
Thanks for help!<br>
<br>
Sergio<br>
<br>
Sergio Montagud<br>
Museu [UV] Història Natural<br>
<br>
Universitat de València<br>
<br>
C/. Dr. Moliner, 50<br>
<br>
E-46100 Burjassot (Valencia). Spain<br>
<br>
<br>
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