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Norwood Maple

boboren
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Nov 10, 2005, 6:19 PM

Post #1 of 11 (1327 views)
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Norwood Maple	Can't Post

I read recently that the leaves from Red Maple trees were toxic to horses and that a small amount ingested could cause death in a short time. On my property, I have many Norwood Maple trees. In looking on the Internet, I did not see anything about their toxicity. Does anyone know if they are toxic to horses?

Bob Oren
Semper Fi

Mark4510
Silver Member

Nov 10, 2005, 6:27 PM

Post #2 of 11 (1323 views)
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Re: [boboren] Norwood Maple [In reply to]	Can't Post

Hi Bob,
I am not sure about that specific tree although I am sure that most maples are. Have you tried the UC Davis site to see if they list it?

Regards,
Mark

JimHess
Silver Member

Nov 11, 2005, 6:23 AM

Post #3 of 11 (1316 views)
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Re: [boboren] Norwood Maple [In reply to]	Can't Post

Bob, you hit on a very important subject, poisonous plants and trees. It's a very real danger, one that I haven't paid enough attention to. You got me googling to see what I could find, and I came up with a couple of informative sites. http:/www.ovma.org/food/food_moaafood.html and http://sis.agr.gc.ca/pls/pp/poison I found a bunch on their sites that I should be careful of. For example, my horse loves to eat acorns. They're only toxic in large quantities, but it was a good "heads up". I think what you were referring to as Norwood maples are Norway maples. I don't think they were on the list, but red maples are bad news, along with a lot of other common plants and trees that you wouldn't think of. We have heard of horses foundering from eating poisonous plants/trees.

-Jim

boboren
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Nov 11, 2005, 10:36 AM

Post #4 of 11 (1308 views)
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Re: [JimHess] Norwood Maple [In reply to]	Can't Post

Jim:
You are right: It is "Norway". Sometimes my mind doesn't think as fast as my fingers type. (Sounds like a good excuse) I will do some more research on it. I did try UC Davis, but didn't find anything yet.

Bob Oren
Semper Fi

lkvaughan
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Nov 11, 2005, 10:55 AM

Post #5 of 11 (1302 views)
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Re: [boboren] Norwood Maple [In reply to]	Can't Post

here are some other links to university expension publications-
i think everyone will be tired of me saying it- but your local county extension agent is a great resource for information on local toxi plants too

http://www.ansci.cornell.edu/plants/horselist.html

http://www.vet.purdue.edu/...l/toxic/navigate.htm

http://www.equine-world.co.uk/...s_care/poisonous.htm

http://horse.purinamills.com/...tins/info_Plants.htm

http://www.extension.umn.edu/.../poisonousplants.htm

http://cal.vet.upenn.edu/poison/index.html This one is GREAT!!!

http://cecalaveras.ucdavis.edu/toxic.htm

http://ipcm.wisc.edu/...es/poisonpasture.htm

http://www.library.uiuc.edu/vex/toxic/comlist.htm

another good source- if you have a question is your states agricultural university- for virginia it would be virginia tech- you can go to their web page and get contact info- they will have an extension program.... the weed and crop science dept are experts in this kind of thing- and the graduate students are required to be able to id all the weeds in their area.....

a couple of things:
-black walnut is EXTREEMLY toxic to horses- just a few chips mixed in their shavings is enough to kill them simply by absorption thought the hoof
- black cherry is also very tocix- but only when the leaves are wilted- if you have to cut out cherrys do it in the winter after the leaves have dropped
- yews, holly, ect are toxic (yews are used in yard plantings)
-rhododenron- dont even burn it- the smoke is very toxic to you too!

good luck!
kelly

(This post was edited by lkvaughan on Nov 11, 2005, 5:49 PM)

Mark4510
Silver Member

Nov 11, 2005, 1:21 PM

Post #6 of 11 (1298 views)
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Re: [lkvaughan] Norwood Maple [In reply to]	Can't Post

Great resources Kelly.
Thanks for sharing.
Mark

lkvaughan
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Nov 11, 2005, 1:42 PM

Post #7 of 11 (1295 views)
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Re: [lkvaughan] Norwood Maple [In reply to]	Can't Post

a few other things...

corn stalks- particularly the lower part and roots are toxic to horses (but fine for cattle)- corn stores a particular type of nitrogen (nitrates) that is toxic to horses- causes what is known as 'brown blood disease'- its fatal but treatable if caught earlier enough.. http://cal.vet.upenn.edu/...plants/ppnitrate.htm

sorgum is also toxic to horses (but again fine for cattle)

for these reasons- NEVER feed horses silage or cattle feed- both usually contain whole corn or sorgum, as well as the nitrogen that is toxic to horses....

also- horses are very susseptible to mold- so be very wary of hay and grain (particularly in areas where it is humid)- hay should be sweet smelling and grain shouldnt smell 'off' - make sure that both can breathe (aka dont store your grain in an airtight container)..

there are lots of things that are toxic- luckily most horses wont eat them- unless they dont have enough pasture/hay/grain- if horses are eating funny things it usually indicates that they are lacking something important in their diet

although in the case of acorns some horses can go years not eating them- then all of a sudden they will develop a taste for them- after that there is nothign you can do but keep the horses away from them untill there have been several hard frosts (or lots of rain) to leach out the tannins

boboren
Member

Nov 11, 2005, 8:05 PM

Post #8 of 11 (1284 views)
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Re: [lkvaughan] Norwood Maple [In reply to]	Can't Post

Kelly:

You mentioned that it is not wise to put grain in an airtight container. I have always put my grain in a plastic container with a flip-up top. This container is not exactly air-tight, but it sure won't let much air into it. I do this to keep mice from getting to the grain. What happens if grain does not get air?

Bob Oren
Semper Fi

lkvaughan
Member

Nov 12, 2005, 5:53 PM

Post #9 of 11 (1264 views)
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Re: [boboren] Norwood Maple [In reply to]	Can't Post

i usually use a plastic (or metal is even better- the mice cant chew through) trash can with the lid snapped on- so its kind of like yours- not airtight, but not a whole lot of air movement...

if you put it in an airtight container- a ziplock bag, or a barrel or bucket barrel with the lid sealed- then you trap the moisture that is naturally in the grain in the container- this isnt a problem in the winter per se- but in the summer (particularly where it is hot and humid) the grain can mould/ go sour in a day or less....

if you are concerned that it doesnt get enough air you can always drill some little breathign holes in the lid- small enough to let air in (moisture out) but not big enough for critters to get in

hope this helps!
kelly

CJuneau
Bronze Member

Nov 14, 2005, 6:54 PM

Post #10 of 11 (1244 views)
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Re: [boboren] Norwood Maple [In reply to]	Can't Post

Red maples contain small amounts of cyanide, if my memory serves me correct, and when consumed in quantity, albeit small, quite fatal. Other toxic plants typically encountered at a horsefarm; Foxglove (digitallis poisioning) and Nightshade (belladonna alkaloid poisining)...both of which the previous owners of my farm had growing here. And Nightshade was in the pastures! Like most animals, instinct tells horses to not eat toxic plant species, but if conditions encourage a horse to not follow instinct (i.e., seeking food when not available), toxic reactions and fatalities do occur. Toxic grain rations are an exception to this rule, as I am sure most would agree! My horses would eat cyanide capsules faster than Himmler if they thought it was grain!
Christina

boboren
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Nov 16, 2005, 7:14 PM

Post #11 of 11 (1219 views)
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Re: [lkvaughan] Norwood Maple [In reply to]	Can't Post

Kelly: Thanks for all the sources you sent for me to do some research on toxic plants/trees. I have not had time to look at them yet, but will do so as time permits.

Bob Oren
Semper Fi

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