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 Elite Veteran
Posts: 999
  
Location: Sunny So Cal | Has anyone seen this before, ever? In Southern California, they think the hay is causing the horses skin to basically blister and fall off. Below is a link to the news report.
http://abc7.com/news/tainted-hay-causing-skin-disease-in-high-desert-horses/235027/
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 pressure dripper
Posts: 8699
  
Location: the end of the rainbow | I saw that report yesterday. It sounds awful. |
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Expert
Posts: 3300
| I cannot believe that the cdfa is not mandating that these horse be tested for vesicular stomatitis.... I have never once been stoped at the ag check coming into California asking for health papers only leaving...
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| I believe that giant hogweed could do something like that also. We've had warnings from the NY Department of Environmental Conservation that it is spreading throughout NY State.
"Giant hogweed (Heracleum mantegazzianum) is a Federally listed noxious weed. Its sap, in combination with moisture and sunlight, can cause severe skin and eye irritation, painful blistering, permanent scarring and blindness. Contact between the skin and the sap of this plant occurs either through brushing against the bristles on the stem or breaking the stem or leaves."
I have not heard any reports of horses having issues with it but it will burn/blister a human's skin. |
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 Nothing Comes Easy
Posts: 2353
Location: Texas | When I lived in Southern California, this happened to my neighbors paint mare. It was terrible to see. The mare looked miserable. |
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  Warmblood with Wings
Posts: 27846
Location: Florida.. | LAC - 2014-08-14 1:10 PM I believe that giant hogweed could do something like that also. We've had warnings from the NY Department of Environmental Conservation that it is spreading throughout NY State. "Giant hogweed (Heracleum mantegazzianum) is a Federally listed noxious weed. Its sap, in combination with moisture and sunlight, can cause severe skin and eye irritation, painful blistering, permanent scarring and blindness. Contact between the skin and the sap of this plant occurs either through brushing against the bristles on the stem or breaking the stem or leaves." I have not heard any reports of horses having issues with it but it will burn/blister a human's skin.
I agree..
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 Expert
Posts: 1898
| Several horses have been tested for vesicular stomatitis. UC Davis has ran all possible tests for chemical contamination and checked for toxic weeds. They are as stumped as everyone else. The only explanation they have is it's a phenomenon caused by the sever drought we've been suffering.
As 2 years ago California started requiring out of state horses to have coggins and health certificates. But that doesn't guarantee a contaminated animal doesn't get across the state line. If the animal appeared symptom free when the horse left it's home state the vet would give it a clean bill but it could become symptomatic and contagious after it crosses the state lines. That's why the EHV-1 outbreak spread so rapidly a few years back. The horses appeared healthy when they left and then got terribly ill while at the show in Utah. |
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skin disease caused by hay??