Equine Herpes Confirmed Case in Alberta

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Paul
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Re: Equine Herpes Confirmed Case in Alberta

Postby Paul » Tue May 24, 2011 10:59 am

Here is a link to the World Series of Team Roping website with more information on EVH-1:

http://www.wstroping.com/article-509-ehv-good-news-and-bad-news.html

maxine mckenna
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Re: Equine Herpes Confirmed Case in Alberta

Postby maxine mckenna » Tue May 24, 2011 11:42 am

Hmm...I'm trying to do the simple math here: with a 14-15% chance an EHV-1 test is gonna show false negative, even though the animal is showing neurological s/s....think I'd go with the signs & symptoms and assume it's a "case": (confirmation or not) AND stay home! jmo.

KayeS
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Re: Equine Herpes Confirmed Case in Alberta

Postby KayeS » Tue May 24, 2011 4:47 pm

Paul wrote:Here is a link to the World Series of Team Roping website with more information on EVH-1:

http://www.wstroping.com/article-509-ehv-good-news-and-bad-news.html


Whom ever wrote the article needs to update their facts. In 2008 there was a Neurological outbreak in Saskatchewan. I am under the impression that this is the most wide spread outbreak ever, that is why the precautions are being taken.

March 2008: Moore Equine Veterinary Centre Update on EVH1 (Rhino) Outbreak in Saskatchewan

At this time the facts on this situation are as follows:
• There has been confirmed cases of the neurologic form of EVH1 commonly known as Rhino in a stable close to Saskatoon and consequently some of those animals were taken to the teaching hospital at the Western College of Veterinary Medicine in that city.
•There has been one horse die from this outbreak and another that is yet to be verified.
•There have been up to 6 horses that have shown some neurologic signs with most of them stable or recovered.
•There have been biosecurity steps taken at both locations to minimize the risk of spreading the infections. These are still in place until all horses stop shedding the virus.
•As of April 7th, 2008 there have been no further confirmed or suspected cases within the last week.
•There is no known link between this outbreak and the well publicized cases in Florida and California last year.

Our opinion on this, given the above information and our experience is:
•Neurologic outbreaks of Rhino is and uncommon but regular occurring event within North America including Alberta for many years.
Luckily the outbreaks seem to be self limiting or they are able to be contained using good biosecurity methods.
•The "new" "mutant" strain may the same strain that has caused these outbreaks over the years. This is a very recent theory and is being debated within academic circles.
•Therefore, it is our opinion, given the knowledge available to us as of April 8, 2008 that the risk of contracting the neurologic form of this disease has changed very little from one month ago or one year ago.
•Although the vaccine for this disease has not been shown to be helpful against the neurologic strain of the disease it may decrease the respiratory form of the disease and does lower the shedding time of the virus which would be helpful in controlling and respiratory or neurologic spread.

randa
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Re: Equine Herpes Confirmed Case in Alberta

Postby randa » Wed May 25, 2011 2:16 pm

May 25, 2011
Update on EHV-1 Conference Call
A group of 15 Alberta Veterinarians had a follow up conference call this morning to discuss the EHV-1 situation in Alberta. They included the Chief Provincial Veterinarian, the Alberta Veterinary Medical Association, the University of Calgary Veterinary Program and Equine practitioners.

The overall consensus is there has not been any significant second wave of the disease over the past week. There has been one new suspect horse which has tested negative at this time with more results pending. This horse has been quarantined with proper biosecurity procedures. Since last report, one of the suspect respiratory cases from Ogden has come back positive on nasal PCR testing.

Therefore, at this time the summary of horses affected in Alberta is as follows:
One positive neurologic case from May 1st that is clinically normal at this time. (This particular horse was reported in our previous updates)
Three positive respiratory cases that were either in Ogden or directly associated with Ogden horses. These horses have been isolated and all except one are normal at this time. The horse that is still exhibiting symptoms is presently responding well to antibiotic treatment. (These horses were reported in our previous updates)
One horse which tested positive and was from Ogden but showed no clinical signs. (This particular horse was reported in our previous updates)
One new suspect patient mentioned in the second paragraph above, showing mild neurologic signs and had initially tested negative is now awaiting results with further tests pending. This horse does have a direct link to the initial group of horses.
Therefore; we feel a second wave of infections has not materialized within Alberta. The 21 day incubation from the May 8th date of return from Ogden will be reached in 4 days. We feel confident that a significant number of clinical cases would have started to surface now if, there was to be a second wave of affected horses in the general horse population.

The above group of Veterinarians involved, continue to believe horse activities, outside of the cutting horse population, should go forward with normal biosecurity procedures being taken. We are directing horse owners to the AB.VMA website for a well-defined list of biosecurity protocols recognized North American wide.

Another conference call is scheduled on Monday May 30, 2011 and we will update our sites at that time.

Greg Andrews, DVM
Moore Equine Veterinary Centre Ltd.
You can only have one thought at a time, will it be positive or negative?

whisperer
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Re: Equine Herpes Confirmed Case in Alberta

Postby whisperer » Wed May 25, 2011 4:36 pm

looks like it might be safe to start hauling out again when the weather dries up! Fingers crossed.

Texas
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Re: Equine Herpes Confirmed Case in Alberta

Postby Texas » Fri May 27, 2011 11:26 am

EHV-1 Outbreak: At Least Eight New Cases Reported
Check out up date: ALBERTA, Dr. Gerald Hauer
by:
Erica Larson, News Editor
May 26 2011, Article # 18305

PrintEmailAdd to FavoritesShareThisAnimal health officials today confirmed several new cases of neurologic equine herpesvirus-1 (EHV-1) across the western United States and Canada. Now, two weeks after reports of EHV-1 positive horses first emerged following the recent National Cutting Horse Association's (NCHA) Western Regional Championship competition in Utah, the case count stands at more than 55.

Although it's not transmissible to humans, EHV-1 is highly contagious among horses and camelids, and is generally passed from horse to horse via aerosol transmission (when affected animals sneeze/cough) and contact with nasal secretions. The disease can cause a variety of ailments in equines, including rhinopneumonitis (a respiratory disease usually found in young horses), abortion in broodmares, and myeloencephalopathy (EHM, the neurologic form). Myeloencephalopathy is characterized by fever, ataxia (incoordination), weakness or paralysis of the hind limbs, and incontinence.

New Information

At press time (5:00 p.m. EDT), state officials had reported the following updates:

New Mexico--In a memo to veterinarians, horse owners, and equine event coordinators released yesterday, New Mexico State Veterinarian David Fly, DVM, indicated that three facilities within the state are currently under quarantine due to the neurologic form of EHV-1.

"One horse has died, two horses are clinically ill, and one horse has recovered," he said in the memo. "The last case in New Mexico was reported on May 20, 2011. All other horses on these quarantined premises are under close observation and are being monitored by their farm veterinarians.

"It is recommended that major or large equine events not be conducted for the next 10 days," he added.

No further information about the affected horses in New Mexico was available at press time.

Nevada--Two additional cases of EHV-1 were confirmed in Nevada today, according to a press release from the state's Department of Agriculture; there are now a total of three EHV-1 positive horses in Nevada. The two new cases are located in Washoe County (in the northwest part of the state); these animals, which have displayed neurologic signs, were exposed to two horses that attended the NCHA competition in Utah. The two animals that attended the competition have not shown any signs of illness, the statement said. The first horse confirmed EHV-1 positive in the state (reported yesterday) is located in Elko County in Northeast Nevada.

Idaho--A statement released today by the Idaho Department of Agriculture indicated five additional horses located on a quarantined premises tested positive for EHV-1, bringing the state's total to six.

"Two of these horses had attended the NCHA cutting in Ogden, Utah and three were stablemates at the same Idaho facility," the statement read. "All of these horses are under veterinary care and will remain under quarantine for a minimum of 28 days from this point. The horse owners are following appropriate biosecurity measures to prevent the spread of the disease outside of the facility."

Three of the EHV-1 positive horses have displayed neurologic signs and three remain only febrile (feverish), the statement said. Officials did not indicate which horses were affected with neurologic signs.

Alberta--Gerald Hauer, DVM, Alberta's chief provincial veterinarian, reported an additional EHV-1 case confirmation today, however the horse appears healthy. He said that the horse was exposed to the virus and tested positive for neurologic EHV-1 via lab test. The new confirmed case brings Alberta's total to five (three of which displayed respiratory signs and two exhibiting no signs of illness).

Washington--Debra C. Sellon, DVM, PhD, Dipl. ACVIM, a professor of equine medicine at Washington State University (WSU), confirmed today that no new cases of EHV-1 were diagnosed at the school's Veterinary Teaching Hospital. The state's Department of Agriculture's website also indicated that no new cases were reported, leaving the number of confirmed cases in Washington at seven.

Texas
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Re: Equine Herpes Confirmed Case in Alberta

Postby Texas » Sat May 28, 2011 11:29 am

Check out the May 27 News in the following:

Globe and Mail story "Alberta horse owners stay home as equine herpes halts rodeos"


Calgary Herald: "Nanton barrel racer Lindsay Sears remained at her winter home in Ropesville, Tex., this week on the advice of her veterinarians as a result of an outbreak of equine herpes. “We were told down here not to travel, to stay put,’’ said Sears.

Saskatchewan Cutting Horse Association Home page, new cases in Sask reported.

teamroper
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Re: Equine Herpes Confirmed Case in Alberta

Postby teamroper » Mon May 30, 2011 9:23 am

The article "In the News" regarding the 100 Mile House Cancellation with information from a veterinarian is how I have felt all along about the spread of this disease. They have all confirmed that any horse can have been in contact with it at any time and have the virus dormant in their system only to manifest under certain conditions (usually under stress). All horses, no matter what physical activity they're doing, will be under some stress, the same as people are when they compete or are involved in physical activity. Therefore, one would "always" have to stay home from any type of horse competition or activity that involves more than one horse, because the chance of having contact with an infected animal is always there. That being said, one does have to be careful who you park your horse beside (as we've always done) and be very vigilent of a horse that's coughing or has a snotty nose (as we've always done) and super important even more so now than ever that anyone that has a horse even remotely displaying any symtoms - STAY HOME. With the world so involved with social media has this maybe got blown out of proportion (just wondering?).

randa
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Re: Equine Herpes Confirmed Case in Alberta

Postby randa » Mon May 30, 2011 10:24 am

teamroper wrote:The article "In the News" regarding the 100 Mile House Cancellation with information from a veterinarian is how I have felt all along about the spread of this disease. They have all confirmed that any horse can have been in contact with it at any time and have the virus dormant in their system only to manifest under certain conditions (usually under stress). All horses, no matter what physical activity they're doing, will be under some stress, the same as people are when they compete or are involved in physical activity. Therefore, one would "always" have to stay home from any type of horse competition or activity that involves more than one horse, because the chance of having contact with an infected animal is always there. That being said, one does have to be careful who you park your horse beside (as we've always done) and be very vigilent of a horse that's coughing or has a snotty nose (as we've always done) and super important even more so now than ever that anyone that has a horse even remotely displaying any symtoms - STAY HOME. With the world so involved with social media has this maybe got blown out of proportion (just wondering?).


I wish I had a "like" button!!!

I agree with you 100% 8o) 8o)
You can only have one thought at a time, will it be positive or negative?

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naturaltouchtherapy
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Re: Equine Herpes Confirmed Case in Alberta

Postby naturaltouchtherapy » Mon May 30, 2011 9:59 pm

Texas wrote:Saskatchewan Cutting Horse Association Home page, new cases in Sask reported.


I believe this case is just suspect and has not yet been confirmed. Before people go spreading that there are "cases" they should have all the facts and should do their do dilligents and leg work with confirmation.

I don't believe you quoted that correctly from the website!
When was the last time you did something for the first time?

KLB
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Re: Equine Herpes Confirmed Case in Alberta

Postby KLB » Tue May 31, 2011 5:25 pm

From the Moore & Co Facebook Page, the most recent Alberta update

"May 30, 2011

Update on EHV-1 Conference Call



Once again this morning, a group of Alberta Veterinarians discussed the current situation of EHV-1 in Alberta. Participants of this conference call included the Chief Provincial Veterinarian, members of Alberta Veterinary Medical Association, faculty from the University of Calgary Veterinary Medicine and local Equine practitioners.



To date the reported positive cases of nEHV-1 in Alberta are as follows:
■One neurological case first found positive at the start of May is now recovered.
■Three previous cases tested positive with mild respiratory signs/fever are all now recovered.
■Four additional PCR positive horses, previously classified as suspects with no apparent clinical signs were reported this week. These horses were all from Ogden or stablemates; therefore, they do not affect this discussion group’s level of concern at this time.



To date suspect cases of nEHV-1 in Alberta are as follows:
■One previously reported neurologic case that is being retested. The mild neurological signs are almost resolved and the horse remains under quarantine. Initial testing was negative for the virus; however, further samples have been submitted for re-testing.
■Two new mild neurologic cases in Northern Alberta that are presently being tested. These are cutting horses that were in contact with Ogden horses at a competition in Lloydminister.
■One possible neurologic case is being investigated and tested but it is too early to classify it as suspect.



It appears that all of the cases and suspected cases remain in horses associated with the cutting horse industry. All horses have been appropriately isolated.



All of the veterinarians involved in the conference call feel that the cancellation of the cutting horse competitions until June 5, 2011 is commendable. Other disciplines are at this time considered low risk. The decision to cancel competitions and shows in other disciplines should be made in partnership with their associated veterinarian to develop a risk assessment of each situation. Any time we travel to a competition where there is mixing of horses from many locations there is a low risk of transmitting infectious diseases. Biosecurity measures should be followed. Excellent resources on biosecurity protocols for the equine community can be found on the Alberta Veterinary Medical Association website and the Alberta Equestrian Federation website.



Another conference call is scheduled for Friday June 3, 2011. If any local veterinarians would like to participate they can contact the office of the Chief Provincial Veterinarian for further information.



As always we will continue to update our information as it becomes available.





Greg Andrews, DVM

Moore Equine Veterinary Centre Ltd.



Ashley Whitehead, DVM, Bsc, DVSc

University of Calgary Veterinary Medicine"
"In the steady gaze of the horse shines a silent eloquence that speaks of love and loyalty, strength and courage. It is the window that reveals to us how willing is his spirit, how generous his heart."~ Author Unknown

ShaynaM
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Re: Equine Herpes Confirmed Case in Alberta

Postby ShaynaM » Fri Jun 03, 2011 2:56 pm

June 3rd, 2011

Update on EHV-1 Conference Call

The EHV-1 situation in Alberta and Western Canada was discussed on a conference call this morning. Participants of the conference call included the Chief Provincial Veterinarian, members of Alberta Veterinary Medical Association, faculty from the University of Calgary Veterinary Medicine and local equine practitioners. In addition, veterinarians from British Columbia and Saskatchewan were also in attendance.

To date the reported positive cases of nEHV-1 in Alberta are as follows:
-One neurological case (now recovered) first found positive at the start of May
-Three cases positive with mild respiratory signs/fever are all now recovered
-Four PCR positive horses, showing no clinical signs
-One new neurological case ,responding well to treatment, that attended cutting events in Alberta
-One of the previously ‘suspect’ neurological cases in Northern Alberta that was at the cutting competition in Lloydminster (reported in last update).

To date suspect cases of nEHV-1 in Alberta are as follows:
-One previously reported neurologic case. The mild neurological signs are almost resolved and the horse remains under quarantine. To date testing has been negative.
-The second suspect with mild neurological signs in Northern Alberta that was at the cutting competition in Lloydminster (reported in last update) still remains in the suspect list.
-New neurological suspect case from Central Alberta was euthanized due in part to complications with previous significant medical conditions. Testing is pending.
-New neurological suspect case with mild fever from Central Alberta. Testing is pending.

The update in Saskatchewan, from the Prairie Diagnostic Services laboratory, indicated a single confirmed case that was present at the Lloydminster competition. Previously reported cases in February 2011, from this laboratory, are not considered part of the current EHV-1 outbreak.

The update in British Columbia, from the Animal Health Centre laboratory (Ministry of Agriculture), indicated two positive nEHV-1 cases confirmed through the laboratory. These cases had either direct or indirect contact with horses that were at the Ogden, Utah competition.

It appears all of the cases and suspected cases remain in horses associated with the cutting horse industry.

All other disciplines outside of the cutting industry continue at this time to be considered low risk. The decision to cancel competitions and shows in other disciplines should be made in partnership with their associated veterinarian to develop a risk assessment of each situation. Any time we travel to a competition where there is mixing of horses from many locations there is a low risk of transmitting infectious diseases. Biosecurity measures should be followed. Excellent resources on biosecurity protocols for the equine community can be found on the Alberta Veterinary Medical Association website and the Alberta Equestrian Federation website.

The next conference call is scheduled for Wednesday June 8th, 2011. If any local veterinarians would like to participate they can contact the office of the Chief Provincial Veterinarian for further information.

As always we will continue to update our information as it becomes available.


Greg Andrews, DVM Ashley Whitehead, DVM, BSc, DVSc
Moore Equine Veterinary Centre Ltd. University of Calgary Veterinary Medicine

melissa
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Re: Equine Herpes Confirmed Case in Alberta

Postby melissa » Fri Jun 03, 2011 8:32 pm

This might seem like a silly question but with a case being confirmed from the Lloydminster Ex grounds is it responsible for them to be hosting a large 4H show there?

hsr mom
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Re: Equine Herpes Confirmed Case in Alberta

Postby hsr mom » Fri Jun 03, 2011 11:26 pm

excellent question < I would avoid the facility for sure.
beth veldhuis

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not really good for anything,
but they still bring a smile to your face,
when you push them down a flight of stairs...

melissa
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Re: Equine Herpes Confirmed Case in Alberta

Postby melissa » Sat Jun 04, 2011 10:00 am

I can easily avoid the facility but how do you now avoid all the places those 4H ers will go after being at Lloyd? Like barrel races and local fairgrounds? It seems very careless for a facility with a confirmed case to be playing host to anything?


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