There are also a lot of physiological
properties that affect potential toxicity e.g. Frozen goldenrod is toxic to
cattle but not when green, wilted Acer rubrum leaves toxic to equines but not
green (theoretically), toxic properties become more concentrated during years
of drought than during years with adequate moisture, flowers of red clover
reducing conception rates of ovines, etc.
We all wish it would be as simple as a
list. Even to get people to agree on a policy making guide seems to be a
stretch as it is hard enough to get people in the same institution to agree no
less expand elsewhere. = Steve
From:
AZH@... [mailto:AZH@...] On Behalf Of Rob Halpern
Sent: Thursday, February 22, 2007
10:54 AM
To: AZH@...
Subject: RE: [AZH] Toxic Plants

Â
If only it were
that simple, Bill.
1. Toxicity
exists in relationship with the specific animal, it's size, it's eating habits,
etc.
2. Toxicity is
somewhat in the eye of the beholder. A conservative vet declares sand
toxic! (not literally). Another vet would see no problem. They're both
"right" as far as that goes
This is why I
suggest AZH developing a guide to Toxic Plant Policy making rather than trying
to create a list.
That said,
there are some great references and web sites (links at the AZH site) where we
can research a plant and make a case for it, or against it.
Hope this
helps,
Rob
Zoo
Horticulture
Consulting
& Design
914.762-6569
FAX 914.945-8915
-----Original Message-----
From: AZH@yahoogroups.co.uk [mailto:AZH@ yahoogroups. co.uk]On Behalf Of Bill Maynard
Sent: Thursday, February 22, 2007 10:18 AM
To: AZH@yahoogroups.co.uk
Subject: [AZH] Toxic PlantsHowdy Folks
It has been my experience that there is a lot of confusion as to what plants are "truly toxic" to zoo animals. I have seen browse list of plants where the same plants were also listed on the Toxic Plant List. until this issue is resolved it will be very hard to do any type of training. Is there a diffinative list of "Toxic Plants" and "Browse Plants?" If so, where can we obtain copies?
Thanks
Bill Maynard
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