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EHV1 outbreak!

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arrestado
Reg. Feb 2008
Posted 2011-05-17 11:10 AM (#134181)
Subject: EHV1 outbreak!


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I'm in AZ and we've had 2 die out here so far...we are being told by vets not to even trail ride off our property until they get a handle on it...

LAKEWOOD, Colo. – The Colorado Department of Agriculture continues to investigate the spread of Equine Herpesvirus (EHV-1) within the state. Disease Update as of 11am, 5/16/2011* 2 confirmed cases of equines with EHV-1.* 6 additional exposed horses are showing clinical signs of EVH-1.* Currently horses in four different counties (Boulder, Larimer, Mesa, and Weld) are being investigated for the disease and are under hold or quarantine orders.* One horse, which tested positive for EHV-1, was euthanized after showing severe neurological signs associated with the disease. A second horse was euthanized with similar symptoms but test results have not been confirmed at this point. The others are currently under treatment by veterinarians and in biosecure locations.* Both confirmed EHV-1 positive horses had recently attended the National Cutting Horse Association's Western National Championships in Ogden, Utah. The Colorado Department of Agriculture is working with the Utah State Veterinarian to investigate the location as a point of interest for the infection.* This disease investigation is ongoing and constantly being updated. What Can Horse Owners Do to Protect Their Horses?If your horse attended the Ogden, Utah event:CDA encourages all horse owners who attended the Ogden, UT, event should notify their veterinarian and isolate and monitor their horses for clinical signs of the disease. Individual horse and barn bio-security is very important. Some horses may not show signs of the disease but may still be a carrier. Those owners are also encouraged to restrict movement of their horses.Horse MovementThe Department also reminds horse owners to consider this disease risk before transporting horses. Like any disease, EVH-1 can transfer from nose-to-nose contact. It can also be spread by contaminated tack, equipment, and people's clothing. In addition, the virus can be spread through aerosols (airborne) for a limited distance. Continue to monitor our webpage for further information to aid in the decision making for transporting horses.Disease Prevention“This disease can have tremendous affects on the horse community and I encourage horse owners to be vigilant about the disease prevention methods they use within their premises,” said State Veterinarian, Dr. Keith Roehr. “Colorado livestock owners have always been diligent about protecting the health of their animals and this is an important time to continue or implement proper biosecurity practices.”Biosecurity and biocontainment control practices can reduce the risk of exposure to this disease. Key points of a biosecurity plan include isolating new animals and those returning to the home premises, supplying clean feed and water, implementing infection-control practices for visitors and personnel and avoiding movement from various locations Especially important is the isolation of any sick horses and making contact with your veterinarian. Any individual horse with clinical signs consistent with neurological EHV-1 infection should be removed immediately from the area and placed in a separate enclosure for isolation. Effective biosecurity practices lead to fewer health problems for animals and contribute to a longer and better-quality life.For more information on equine biosecurity methods, visit http://www.aphis.usda.gov/publications/animal_health/content/printa... Disease InformationEHV-1 is not transmissible to people; it can be a serious equine disease that can cause respiratory, neurologic disease and death. The most common way for EHV-1 to spread is by direct horse-to-horse contact. The virus can also spread through the air, contaminated equipment, clothing and hands. Symptoms include fever, decreased coordination, nasal discharge, urine dribbling, loss of tail tone, hind limb weakness, leaning against a wall or fence to maintain balance, lethargy, and the inability to rise. While there is no cure, the symptoms of the disease may be treatable. Questions?The Department has received numerous calls from veterinarians, horse owners and media. To help facilitate a timely response, please see the following list.1. If you want to get your horse tested: contact your local veterinarian.2. If you are a horse owner and have questions about the disease, testing, or other aspects of the investigation:1. Contact your local veterinarian2. Dr. Kate Anderson, 303-239-4161, Kate.anderson@ag.state.co.us3. Dr. Carl Heckendorf, 303-239-4161, Carl.Heckendorf@ag.state.co.us 3. If you are a media outlet and would like an interview: contact Christi Lightcap, 303-239-4190, Christi.lightcap@ag.state.co.us Additional Resources—The following information is also posted on our website at www.colorado.gov/ag :* A Guide To Understanding the Neurologic Form of EHV Infection* USDA Animal Plant Health Inspection Service Resources* American Assoc. of Equine Practitioners Fact Sheet* CSU EVH-1 Fact Sheet

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Painted Horse
Reg. May 2005
Posted 2011-05-17 12:53 PM (#134186 - in reply to #134181)
Subject: RE: EHV1 outbreak!



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It's a shame to see it spread so rapidly. The Western National Event in Ogden UT had over 500 horses in attendance from all across the country. That a huge exposure risk. These were expensive high performance horses capable of performance at the top level of cutting industry, that had mostly traveled extensive distances to come compete.  According to the local paper this morning, Utah has not reported any sick horse, but with horses being transported home to almost all western states and a few Eastern states and Canada.  We probably will see sick horses in many areas pretty quick.

I'm not to concerned about riding off the property, But I definitely would not ride around  groups of horses, especially horses involved in sports like cutting or rodeo. Nor would I visit fair gounds or other areas where transient horses may have passed through or been kept over night.

It's too bad, because it is prompting the cancellation of many events across the country. Which will hurt the individual sponsors that produce those events and the local ecconomies.

 

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PaulChristenson
Reg. Jan 2007
Posted 2011-05-19 1:38 AM (#134215 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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http://www.huffingtonpost.com/2011/05/17/equine-herpes-virus-1_n_86...
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danigirl
Reg. Apr 2011
Posted 2011-05-19 9:26 AM (#134221 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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Location: Irricana, Alberta, Canada
I read somewhere online that if the horses have had their rhino-flu shots this helps. But then I read some other posts and this is not the case. Anyone know for sure?
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flyinghfarm
Reg. Mar 2004
Posted 2011-05-19 9:40 AM (#134223 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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This is a mutated strain, there is not a vaccine for it...........the resistance of horses vaccinated for Rhino like we have always done is tentatively thought to aid slightly in the severity of symptoms in horses ill with EHV-1, data is still coming in..
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crowleysridgegirl
Reg. Apr 2005
Posted 2011-05-20 9:44 AM (#134248 - in reply to #134223)
Subject: RE: EHV1 outbreak!


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So are you saying that: if you've vaccinated for Rhino/flu and your horse would contract EHV1,the symptoms in that horse would be worse?
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Gone
Reg. May 2005
Posted 2011-05-20 12:11 PM (#134250 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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I thought rhino-flu was for respiratory and there wasn't a vaccine for this mutated strain which is neurological.
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arrestado
Reg. Feb 2008
Posted 2011-05-20 1:57 PM (#134252 - in reply to #134250)
Subject: RE: EHV1 outbreak!


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Originally written by Gone on 2011-05-20 11:11 AM

I thought rhino-flu was for respiratory and there wasn't a vaccine for this mutated strain which is neurological.
Correct.
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flyinghfarm
Reg. Mar 2004
Posted 2011-05-20 5:19 PM (#134255 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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No, I did not mean worsen,  by "aid in the severity", to completely clarify, I meant the severity of symptoms was rumored to be perhaps slightly lessened, but, as in so many things, this information is not set in stone...the neurological mutated strain is not the respiratory variety, and no vaccine exists for this outbreak that warrants our concern and best management practices....
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dyarbro901
Reg. Jan 2010
Posted 2011-05-20 11:31 PM (#134259 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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Posts: 24

Does anyone know how far East this has travelled?  I live in Tennessee and have heard about the outbreak but did not know if any cases had been confirmed East of the Mississippi River.
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Painted Horse
Reg. May 2005
Posted 2011-05-21 9:59 AM (#134263 - in reply to #134181)
Subject: RE: EHV1 outbreak!



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Some of the reports I read said they had an outbreak of the same virus in Ohio last summer. I think you could safely say it could be be found any where in the United States.

There are numerous threads postings that list the states of horses that attended the same show as the current outbreak has been attribute to. I think I saw at least one reference to horse from KY having been in attendance. They have numerous horses under observation in NE and TX.

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Painted Horse
Reg. May 2005
Posted 2011-05-21 6:52 PM (#134268 - in reply to #134181)
Subject: RE: EHV1 outbreak!



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Just to correct my previous post.  Looking at the chart, No horses in KY were exposed.

As of May 19th

1 in Illinois  With none confirmed sick

2 in Iowa    With none confirmed sick

7 in Minnesota   With none confirmed sick

3 in Nebraska   With none confirmed sick

1 in Oklahoma   With none confirmed sick

16 in Texas       With two confirmed sick

Latest Info at

http://www.aphis.usda.gov/vs/nahss/equine/ehv/ehv_2010_sitrep_051911.pdf



Edited by Painted Horse 2011-05-21 6:53 PM
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hogtownboss
Reg. Sep 2008
Posted 2011-05-22 12:17 AM (#134278 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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A little good news is as of 10pm tonight there has been NO new cases within the last 48 hours......
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mmry1257
Reg. Mar 2006
Posted 2011-05-22 11:33 AM (#134284 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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mmry1257
Reg. Mar 2006
Posted 2011-05-22 11:36 AM (#134285 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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My husband is getting ready Tues to go on OkieArkie ride from Talequah OK to Fort Smith, AR. This is a 6 day 120 mile ride with about 200 horses from all over the US and although our horses are up to date on vaccines would it help to give them a dose of antibotics daily??

 

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pooperscooper
Reg. Mar 2005
Posted 2011-05-22 12:43 PM (#134286 - in reply to #134285)
Subject: RE: EHV1 outbreak!


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Originally written by mmry1257 on 2011-05-22 11:36 AM

My husband is getting ready Tues to go on OkieArkie ride from Talequah OK to Fort Smith, AR. This is a 6 day 120 mile ride with about 200 horses from all over the US and although our horses are up to date on vaccines would it help to give them a dose of antibotics daily??

 

I wouldn't give antibiotics. This is a virus and antibiotics only work on secondary infections. I would talk to my vet and see about boosting the immune system with something like equistim. Lysine is also used to treat herpes and can be fed as a supplement. Some vets are suggesting a booster shot of Rhinomune or Calvenza but that takes about 2 weeks for it to really kick in.

I think by next week we'll know if this thing is going to really spread or if they have contained it to the horses at the cutting in Utah and to the horses they were in contact with.

Fort Smith barrel futurity is going on this week and will have hundreds of horses from all over the US there. We'll see what happens there. Plenty of opportunity for it to transfer if it is going to. All the right ingredients. Lots of young stressed horses all stalled in the same barns. 

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ponytammy
Reg. Jan 2005
Posted 2011-05-23 1:14 PM (#134311 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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We have lots of reining and cutting horses in my area, south of Kansas City. Just down the road from is Lund Quarter Horses who won AQHA's Super Sport Horse several years running. I get all kinds of horses being trailered past my house going to his facility for training, breeding etc. Also, Rod Rock Quarter Horses in Bucyrus, KS has had 18 horses exposed as they just had a cutting clinic.

I'm really worried about my stock. Got some really old horses and then my trusty trail mounts. This just stinks. Seems like we can't do anything or go anywhere anymore without some sort of virus that affect horses or humans invading our lives~

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Terri
Reg. Jan 2004
Posted 2011-05-23 10:58 PM (#134319 - in reply to #134181)
Subject: RE: EHV1 outbreak!



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3 cases have been reported in northern NM and one has died. 
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cutter99
Reg. Sep 2007
Posted 2011-05-24 6:27 AM (#134324 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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NCHA has cancelled all the cuttings scheduled for this coming weekend and all the cuttings for the first weekend in June, which is a huge weekend due to NCHA Day and shows running in conjunction with AQHA. We have not had any issues here in Pennsylvania but if we did I would gladly stay home rather than risk the life of my horses. There will always be more shows and trail rides.

Edited by cutter99 2011-05-24 6:29 AM
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ornerie
Reg. Sep 2010
Posted 2011-05-24 4:23 PM (#134337 - in reply to #134311)
Subject: RE: EHV1 outbreak!



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ponytammy....

the virus that is spreading is a herpes virus. these guys are actually pretty well understood, so we know know how they spread, how fast/far/etc.

the chances of a virus leaping off a trailer as it drives by your barn is, well, not even calculatable. 

The virus needs to be transmitted in snot to snot, so to speak. virus is shed in horses snot and slobber, and has to stay wet and protected, then get up your horses nose, mouth or eyes. Horses snuzzling each other. Stealing grass from each other. sharing slobbery water or grain buckets. Horse sneezes on your hands and then you go rub the nose of another horse. the virus itself only lives 30 days in perfect lab conditions, more like 2-7 days in the wild (and closer to 2 chances are).

1:10 bleach solutions kill it dead dead dead (tho the thing has to be CLEAN first...any bio material like manure or slobbery grass, etc will inactivate the bleach. I'm a big fan of hot soapy water :)). things like water buckets, grain tubs, bits...anything that gets snot and slobber on it.

ask your farrier, vet, etc to change his shirt and gloves and clean his tools. I am actually thinking of providing some disposable tyvec suits for care providers (you can buy them at Home Depot...people use them for painting). put 'em on when you get here, and toss 'em when you leave.

out here on the west coast, folks are locking up as a precaution. its a pain, but better safe than sorry. here in WA, we had one new case this last weekend (immediately quarentined), so hopefully that will be the end of the new cases. 2 weeks after THAT, we should be good to go :)

I can send you a ton of info if you want on how to protect your horses, about the virus and how its transmitted. There's a LOT of misinformation out there...whatever you read be sure its from a validated, informed source like the USDA, or your state ag dept, or a major veterinary center (preferrably one with a focus on infectious disease). PM me if you want some links :).

we all love our horses and want to keep them safe. Frankly, good biosafety precautions that we should be taking anyway should more than adequately do the job :)

 

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flyinghfarm
Reg. Mar 2004
Posted 2011-05-25 10:52 AM (#134347 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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Every veterinarian we work with does say this is also an airborne contagion of limited scope....not that it flies a 1000 yards etc, but is communicable in aerosol form in a short distance .... which is why they have their containment and quarantine facilities quite some physical distance from their regular clinics..

We are sitting this one out for a while, as far as our animals, and using clinical disinfectant in our work from facility to facility...no problems thus far...

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ridingarocky
Reg. Aug 2008
Posted 2011-05-25 11:54 PM (#134356 - in reply to #134181)
Subject: RE: EHV1 outbreak!



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Although I understand where the disease originally was first noticed,.. where did it come from? I don't see how it could just spring out of nowhere onto one horse who, unluckily, was bound for a huge high-dollar competition.
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JacciB
Reg. Nov 2006
Posted 2011-05-26 8:51 AM (#134358 - in reply to #134356)
Subject: RE: EHV1 outbreak!



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I agree, if they are saying that it was brought into the US from a Canadian horse how did the horse make into the country if it was running a fever?  I can't go from TN to KY without a health certificate I would like to think it is more difficult coming into the US from Canada.
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jakey1
Reg. Dec 2003
Posted 2011-05-26 9:04 AM (#134360 - in reply to #134181)
Subject: RE: EHV1 outbreak!


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Hate to spread rumors, but in this case, better safe than sorry...

Just heard of a horse "rescued" from a killer auction in NJ that was diagnosed with the Herpes virus shortly after landing in a back yard barn in our area.

I'm not taking my guys anywhere soon!  At least not in contact with other animals.

 

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Painted Horse
Reg. May 2005
Posted 2011-05-26 9:56 AM (#134361 - in reply to #134181)
Subject: RE: EHV1 outbreak!



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Most horses contract Herpes at some point in their life. Usually at a younger age. they often carry the virus with them after recovering.  Sometime re-manefesting itself when the horse is put under stress. So a horse could very easily cross a state or canadian border and be just fine on the day of transport. But due to the stress of the trip break out with the disease at the show.

And while most horses do deal with herpes in their lifetime, It's a very small percentage that have the neuro version of the disease that affects their motor skills. This outbreak happens to be worried about the neuro version because if a horse goes down and can't get back up, it's chances of recovery are very slim. If you hear that a horse from a rescue or neighbor has herpes, identify if it is the Neuro version of the disease.

The horse that they thought brought the disease into Ogden UT, was from Montana, It arrived and exhibited sympton on the 2nd day and was immediately pulled from the show and returned home.  It later died or was euthanized.  Because of the outbreak, It's body was returned to Utah and a Post Mortem was performed on it. It turned out to be Wobbles and not EHV-1. So they currently don't really know which horse was the carrier. But it was enough of story to start the  rumur that a horse from the North or Canada had brought the disease.

I had to laugh at fellow from texas that I was talking too a couple of days ago that told me this was draught related problem and when the rains returned the problem would go away.  I told him I appreciated him taking the blame for the disease coming from Texas. Since  Utah has had one of the wettest spring in history, ( and most of the Pacific NW).

There have been a lot of cases reported that just are not this disease. But with the public concern, almost any sick horse has EHV-1 and if the owners are not willing to pay for necroposy, the true cause of the illness is never lerned. I know I've read several reports of what was thought to be EHV-1 and after the State Vets or Dept of Ags conducted their post mortem, another cause was blamed.

But the numbers of new cases has dropped, the containment and tracking of the disease seems to be keeping the spread under control. I suspect that we will see Vaccine companies add new variations of EHV to their vaccines for better coverage.  I also believe we will see stronger inforcement of State Travel health certificates. They were a major weapon in notifying owner that their horses may have been exposed.

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