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Tuesday June 28, 2016

Join us here at Oakhurst the evening of
June 28, 2016!

Tuesday June 28th from 6:00 pm to 9:00 pm please join us for a summer evening of food, social engagement between equine enthusiasts, and an educational seminar on lameness! Plan NOW for a successful summer of riding and events!

5:30 pm - Dinner and Social Segment

6:00 pm to 7:30 pm Interactive Session (live horses) with Classroom Session.

Lameness - what is it? How do we diagnose and treat it? Lameness emergencies, acute and chronic. Challenges veterinarians face in diagnosing lameness. Hands on interactive session with live horses.

7:30 pm - 8:00 pm Dessert and Drinks

8:00 pm - 9:pm New Treatments Available Today

New and emerging therapies from stem cells and regenerative medicine to newer drugs and treatments now available.

9:00 pm - 10:00 pm Questions and Answers

Please RSPV for seating and dinner!

January 30th and 31st 2016 Welcome Giacomo!


We invite you to come enjoy Oakhurst hospitality and kick off the 2016 breeding season! Visit Kentucky Derby winners GRINDSTONE and GIACOMO, as well as Seattle Slew son SLEWS SAGA and Forty Niner son BAQUERO!

Any booking between now and by 3:30 PM on January 31st 2016 includes chances to win 'Rivalry in Gray" signed by Fred Stone and Gary Stevens! No purchase is necessary. Simply attend Open House and sign-up. Employees and direct employee families are not eligible and you must be 18 or over to enter.

Participate in our Oakhurst Herd Reduction REVERSE AUCTION! --------> Prices drop every hour during our Open House until the horse is sold! It becomes intense as the horse gets closer and closer to the price you wish to pay! Offsite bids will be accepted over the phone and offered as we are able (ie: 1st person to get name down as sold, onsite, or calling Cookie at 971-533-6421 who will write sold on behalf of buyer.)

BUY NOW (before Saturday) prices are listed below. Beginning at the start of our OPEN HOUSE, prices will drop every hour Saturday and Sunday between the hours of 10 am to 4 pm until sold.

EMPTY MARES -- Not Bred in 2015

by STATELY WAGER out of Chancy Choice
If purchased Pre-Sale ONLY includes breeding fee for Grindstone, Baquero or Slew's Saga or $1,000 off Giacomo ($2,500 Reg Price). No Other Discounts.

by DISTORTED HUMOR out of Load n Go
Pre-Sale ONLY includes breeding fee for Grindstone, Baquero or Slew's Saga or $1,000 off Giacomo ($2,500 Reg Price). No Other Discounts.


by MONARCHOS out of Attach
(Bred to Grindstone LBD 5-26-2015)
Pre-Sale ONLY Includes breeding fee for Grindstone, Baquero, Slew's Saga or $1,000 off Giacomo ($2,500 regular price). No other discounts.


2014 Grindstone / Forty Romances Filly


2015 Grindstone / Forty Something Colt

2015 Grindstone / Miss Lydia Filly

2015 Grindstone / Seismic Speed Filly

2015 Grindstone / Artemida Colt

2015 Grindstone / Chancy Chancy Colt



Educational Fall Seminars

Wednesday November 18th 6:30pm to 9:30 pm

Equine Reproduction Management

Plan NOW for a successful breeding season!

Physiology of the mare - Lights or No Lights - Breeding Management with Fresh Cooled or Frozen Semen - Care of the Pregnant, Foaling and Postpartum Mare - Foaling Dystocia and Care of the Newborn Foal

Wednesday December 16th 6:30 pm to 9:30 pm

Equine Nutrition for Optimum Results

Simple applications of nutritional basics!

Body Conditioning and Scoring - Feeding for Optimum Performance - Equine Gastric Ulcers, Cushings, EPM and the Senior Horse - Newborn Foals and Growing Foals - Feeding for the Breeding Season Mares and Stallions.


We need a head count for Seating and Food!


See you soon!

May 11, 2015

Be informed and get the facts and industry recommendations to keep your horses healthy and enjoy the summer ahead. To help here are a couple links you will want to save. For up-to-date news, visit the Oregon Department of Animal Health web page and to read in more detail about equine herpes itself and prevention go to the American Association of Equine Practitioners page. The following is from the AAEP's publication and we find it is a very good reference point.

'FAQ: Regarding Equine Herpesvirus (EHV)


Equine Herpesvirus (EHV) - Feb 25th, 13

1. What is equine herpesvirus (EHV)?

EHV are viruses that are found in most horses all over the world. Almost all horses have been infected with the virus and have no serious side effects. It is unknown what causes some of the horses to develop the serious neurological forms that may be fatal.

2. EHV stands for equine herpes virus. It is a family of viruses which are named by numbers such as EHV 1, 3, 4. There are more viruses in this family, but EHV 1, 3, 4 pose the most serious health risks.

To date, nine EHVs have been identified, worldwide. Three of these, EHV-1, EHV-3 and EHV-4, pose the most serious health risks for domesticated horses. Equine herpesvirus myeloencephalopathy (EHM) is another name for the neurologic disease associated with equine herpesvirus (EHV) infections.

EHV-1: Can cause four manifestations of disease in horses, including neurological form, respiratory disease, abortion and neonatal death. EHV-3: Causes a venereal disease called coital exanthema that affects the external genitalia. EHV-4: Causes a nonfatal upper respiratory tract disease in foals and is uncommonly associated with abortion and rarely with neurological disease.

EHV is a common DNA virus that occurs in horse populations worldwide. The two most common strains are EHV-1, which causes abortion, respiratory disease and neurologic disease; and EHV-4, which usually causes respiratory disease only but can occasionally cause abortion and rarely neurological disease.

Respiratory disease caused by EHV is most common in weaned foals and yearlings, often in autumn and winter. Adult horses are more likely than younger ones to transmit the virus without showing signs of infection.

EHV-1 myeloencephalopathy (EHM) results from widespread vascular or blood vessel injury after damage to the lining of the blood vessels of the blood brain barrier. Neurologic signs result from inflammation of the blood vessles, blood clots, and death of of neurologic tissue. Equine herpesvirus myeloencephalopathy (EHM) cases occur singly or can affect multiple exposed horses. They may or may not be associated with a previous or ongoing EHV-1 respiratory disease outbreak.

3. How does EHV spread?

EHV-1 is contagious and spread by direct horse-to-horse contact via the respiratory tract through nasal secretions. It is important to know that this disease can also be spread indirectly through contact with physical objects contaminated with the virus:

Human contaminated hands or clothing Contaminated equipment and tack Contaminated trailers used for transporting horses Contaminated wipe rags or other grooming equipment Contaminated feed and water buckets

The air around the horse that is shedding the virus can also be contaminated with infectious virus. Although it is known that the virus can be airborne, it is difficult to establish the distance the virus can spread in this manner under typical horse management and environmental conditions.

4. How long can the virus live outside of the horses body? This includes on clothing, footwear, walls, buckets, tack, etc

The virus is estimated to be viable for up to 7 days in the environment under normal circumstances, but remain alive for a maximum of one month under perfect environmental conditions. Most important is to first clean equipment and horse housing areas. (Please Note: It is really important to wash and rinse where you can prior to applying disinfectants.) By cleaning first, this allows for removal or organic material which makes the disinfectants more effective. After this cleaning, follow with a disinfection process. The virus is easily killed in the environment by most disinfectants. Conventional disinfectants and detergents are the best. It is important to perform hand hygiene (wash hands with soap and dry thoroughly or use alcohol-based hand sanitizer) when moving between horses that are grouped separately to avoid spreading pathogens that may contaminate your hands.

5.What are some of the signs of EHV?

After infection, incubation period may be as short as 24 hours, but is typically 4-6 days, but can be longer. EHV-1 typically causes a biphasic (two-phase) fever peaking on day 1 or 2 and again on day 6 or 7. With respiratory infections there is often serous or mucoid nasal and ocular discharge, but not a lot of coughing. There may be some persistent enlargement of submandibular lymph nodes (lymph nodes under the jaw). With the neurologic form there are typically minimal respiratory signs, with fever (rectal temperature greater than 102 degrees F) being the only warning sign. Neurologic disease appears suddenly and is usually rapidly progressing, reaching its peak intensity within 24 to 48 hours from onset of neurologic signs. Clinical signs of the neurologic disease may include:

Nasal discharge Incoordination Hind limb weakness Loss of tail tone Lethargy Urine dribbling Head tilt Leaning against a fence or wall to maintain balance Inability to rise

6. How is EHM diagnosed?

Diagnosis of EHM is based on clinical signs and isolation of the virus. Diagnostics performed by your veterinarian may include:

Nasal swab collection for laboratory examination and detection of virus by polymerase chain reaction (PCR) assay and/or by virus isolation Blood collection to detect virus by PCR assay or by virus isolation. Blood samples should be collected 2 to 3 weeks apart for levels of antibodies specific to EHV-1. 7. Is it safe to travel with my horse? (i.e. trail ride, horse show, etc.)

Consult with your local and state/provincial veterinarian�s office regarding any newly developed travel restrictions.

Safety and precaution is always recommended, even when an outbreak has not occurred. Biosecurity is important at all times. Please see the AAEPs recommendations for biosecurity.

8. If involved with hosting an equine event or show, should the event/show continue or should it be cancelled or does it depend on the location of the event?

It is advised to seek updates from the event organizer and from State Animal Health Officials.

9. How do I handle horses returning from events where they may have been exposed to EHV?

Infections other than EHV-1 can also spread by horse-to-horse contact, so keeping a horse with a fever isolated is a very good practice in any case. However, any horse returning from any event should be isolated to prevent the spread of any infectious disease whether there is a fever or not.

If you handle a horse with EHV-1 and don't wash your hands or change clothing, the infection may be transmitted to other horses. A solution of 1 part chlorine bleach to 10 parts water is effective for decontaminating equipment and environment. (Washing clothing in hot water with detergent and drying in a dryer is adequate and less damaging to clothing.) Click here for more biosecurity cleaning measures.

If your horse develops fever, respiratory signs or neurological signs, immediately notify your veterinarian and do not move the horse or horses in the immediate area. Alert those who have horses in the adjacent area to cease all movement of horses in and out of the facility until a diagnosis is confirmed by testing and a targeted plan for control of spread of disease is developed in consultation with your veterinarian.

For horses that may have been exposed to the infectious agents and therefore at risk for disease, there are some steps to take to minimize the risk of spread of the disease to their home facility. Even if these horses are returning home from events at which no disease was reported, and even if these horses appear healthy, precautions are needed at this time as these horses could bring it home and spread it at their home farm this is the classic way this disease spreads:

These horses should be isolated from any other horses when they return to their home facility. Isolation requires housing them away from other horses (i.e. the horse should be stabled in a barn, turn out shed, paddock or another area where there is no contact with other horses), using different equipment to feed, clean and work with them that is used with any other horses, and rigorous hygiene procedures for horse handlers (hand hygiene, wearing separate clothes when contacting the horses, etc.). Please discuss this with your veterinarian. We strongly advise owners to call their veterinarians to discuss how long to keep the horses isolated at home, but even if they don't develop fevers this should be at least 14 -21 days. These horses should have their temperature taken twice a day and recorded, as elevation in body temperature is typically the first and most common sign of infection � horses with elevated temperatures (101.5 degrees F or greater) should have nasal swabs and blood drawn by your veterinarian. If a horse develops a fever and is found to be shedding EHV-1 then the level of risk to other horses on the premises increases significantly. Those affected farms should work closely with their veterinarian to develop a targeted management plan for situation, if it develops. The AAEP EHV Control Guidelines can be used by your veterinarian to assist you in developing a more detailed response plan.

It is essential that the isolation facility have supervised oversight by an individual knowledgeable in disease control and quarantine procedures to avoid the possibility of spread of disease agents. When it comes to biosecurity, compliance with the small details of the plan matter and all personnel need to be informed of the plan to avoid inadvertent errors that can lead to spread of disease agents. Your veterinarian can assist you with this.

10. What do we do if we already have a potentially exposed horse on a farm?

It still makes sense to isolate this horse from other horses, even though it may have already been in contact with them. Start isolation procedures to stop further exposure. It is very important not to mix horses from different groups to accomplish this. Try and isolate the suspect horse without moving other horses from one group to another, segregation of horse groups is the key, because this will help you reduce spread if an outbreak starts.

Check temperatures of all horses on the farm twice daily (fever spikes can be missed if you check once daily) and keep a log of these recordings. If fevers are detected, then test for EHV-1. The value of starting healthy horses on an anti-viral treatment when there is no evidence of disease on the farm is questionable. Consult with your equine veterinarian for further guidance.

11. What anti-viral treatments can I use against EHM on a farm?

If EHM is present on a farm, then the risk to other horses at that farm is greatly increased. Stringent quarantine and biosecurity procedures must be implemented immediately. Treatments may include anti-inflammatory drugs and some horses may require intravenous fluids. Antibiotics may be used to treat a secondary bacterial infection if one develops; however, antibiotics have no effect on the equine herpesvirus itself.

For horses on the farm that develop fever, test EHV-1 positive, or have a high risk of exposure, anti-viral drugs may decrease the chance of developing EHM and the benefit of antiviral treatment of the horse should be discussed with your veterinarian.

12. Is there any value to using booster vaccination against EHV�1 at this time?

Unfortunately, none of the current EHV-1 vaccines carry a label claim for prevention of EHM. More research is needed to identify a vaccine that may prevent this form of the disease. Some of the EHV-1 vaccines have been shown to reduce nasal shedding and in some cases reduce viremia. These products may therefore have some theoretical value against EHM (by reducing viremia), and certainly against spread of the virus. For more information regarding these vaccines, consult with your equine veterinarian.

If horses on the farm are previously vaccinated against EHV-1, the booster vaccination should quickly increase immunity, and perhaps reduce spread of EHV-1 if it is present. Vaccination in these circumstances is controversial. The use of vaccination is therefore a risk-based decision.

13. How long can my horse shed the virus? Is it safe for the horse to return to work/show ring when symptoms clear?

The AAEP EHV Control Guidelines suggests to horse owners whose horse(s) were on the premises of an EHV-1 confirmed case to maintain isolation procedures (primary perimeter) for 28 days after last suspected new infection.

In the absence of clinical disease, the risk of exposure decreases with time. A shorter quarantine period maybe justified, such as 21 days. If during this time no horse has had any fever (temperature taken at least 24 hours without treatment with non-steroidal drug), abortion or neurologic signs and all exposed horses are tested and have a negative test result using nasal swabs for EHV-1 by real-Time-PCR. There should be compliance with requirements by state animal health officials for duration of quarantine and testing.

14. What methods of prevention can I implement to avoid EHV outbreak and other disease transmission?

Two main methods of prevention you can establish to help avoid disease outbreak on your premises include vaccination and biosecurity protection.

The goal of vaccination is to induce resistance to infection prior to exposure by producing a strong and durable immune response without inducing clinical signs of disease in the vaccinated animal. While there are several vaccines available for protection against both respiratory disease and abortion as a result of EHV-1 infection, at this time there is no equine licensed vaccine that has a label claim for protection against the neurological strain of the virus (EHM). Consult with your veterinarian for further guidance if you are considering the use of EHV-1 vaccines.

Biosecurity means doing everything you can to reduce the chances of an infectious disease being carried onto your farm by people, animals, equipment or vehicles either accidentally or on purpose. Anything that touches an infected horse or sheds secretions from sick horses has the potential to transfer pathogens to other horses. You are the best protection your horses have.

15. At what point will the All Clear be posted and can I start attending events again or can events/shows start operating?

The EHV-1 virus is a normal occurring virus found in the equine population. All of the reasons that EHV-1 causes these severe neurological signs in some horses is not fully understood. If you are travelling to an event, contact your veterinarian well in advance of departure date to verify what testing is required. Interstate travel may have different requirements and these requirements may vary to each equine event or venue.

There is never an ALL CLEAR/ NO RISK when horses commingle. Basic everyday biosecurity is always recommended. Access information from your State Veterinarian related to situations within your area for updates on equine infectious disease situations in your area as well as updates on the AAEP website.

Please consult with your State/Provincial animal health office, show or other equine venue to confirm if that event is still scheduled and if any further testing or other health requirements are needed before entering the state/facility/grounds.'

FREE True Nicks Reports Now Available

FREE True Nicks Reports are Now Available for all Oakhurst Stallions. We are pleased to announce that we have enrolled all our stallions with True Nicks. Thus you can now run free nicking reports for all your mares to GRINDSTONE, BAQUERO, and our exciting new stallion UNDERSTATEMENT.

We chose True Nicks over the other nicking programs because: 1. True Nicks utilizes the largest thoroughbred data base from The Jockey Club's, 2. True Nicks is closely affiliated with industry leader 'The BloodHorse Magazine', and 3. We like the comprehensive information that comes with each True Nicks report.

In recent years nicking has become extremely fashionable. One of the first questions that many mare owners ask us is "How does my mare nick with your stallion?" Well, now you can find that answer quite easily.

Nicking is FUN, especially when your mating receives a high grade, but I strongly encourage you to use nicking as just one tool in your breeding decisions. Most important you should always carefully consider the individuals you are mating -- because their conformation, their body type, their performance and produce records are much more likely to determine what quality of foal you will end up with than does a simple nicking grade.

I have always argued that the biggest flaw in nicking is that the grades are created based on only a very small number of individuals in the pedigree. True Nicks and eNicks both make their grades based exclusively on one individual in the stallion's sire line over one individual in the mare's sire line. True Nicks requires that at least 15 individuals have been produced from the specific sire-line/broodmare sire-line cross before assigning a rating and in order to do so may have to go back a few generations to find them. As a result the rating grade might be based on your prospective foals paternal great-grand-sire over its maternal great-great-grand-sire in order to be statistically significant. Such a nicking grade is based on just 18.75% of the pedigree while completely ignoring the other 81.25% of the pedigree. True Nicks tells you what sire in the sire line and what sire in the broodmare sire line the cross is rated on. The closer in the pedigree these are the more reliable/useful a certain nicking rating might be.

Also the nicking programs totally ignore the contributions to the pedigree made by all the females. Yet, leading breeders will always tell you that the female side of the pedigree is by far more important than the sire's side. This is because the mare contributes the all important X-chromosome, purported to be responsible for heart size, and the mitochondrial DNA which ultimately energizes the cells.

One shortcoming of nicking is illustrated in the following example. When mating Grindstone to a daughter of Swiss Yodeler, 'Misyodl', True Nicks rates the mating as a D. Not very good. The rating was made based on the prospective foal's paternal grandfather, Unbridled, over its maternal great-great grand-sire Damascus. Looking carefully we see that 'Misyodl' is out of a Slewpy mare. Now if we were to simply put Slewpy as the paternal instead of maternal grand-sire (such a mare is 'Wings of Slew', by Gray Slewpy out of a Desert Wine, by Damascus, mare) the True Nicks rating is an A++. So maybe there is still merit in mating Grindstone to Misyodl.

Another thing we noticed with our switch to True Nicks from eNicks was that while most of the grades were similar some were drastically and disappointingly different. Such as our Storm Cat line mares mated to Grindstone are A+++ with eNicks but only Cs with True Nicks. This is because eNicks places emphasis on the stakes-winners a given cross has produced rather than the percentage of stakes-winners from all the foals a given cross has produced. Unbridled and his sons have achieved some spectacular success, as acknowledged by eNicks, when crossed of Storm Cat line mares so we still like this cross in spite of it's True Nicks lower grade.

So HAVE FUN, with our True Nicks, but never use nicking as your only decision criteria. However, we're hopeful that once you try all our stallions you'll find a nick you like!

To start using True Nicks simply go to the bottom of our stallion pages and click on the TrueNicks logo. From there you can also download a new brochure for each stallion just above the TrueNicks logo.

  Click here for events and news archive.




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