Downeast Medal Finals

August 2020
Downeast Medal Finals
September 16-19, 2021
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Rider Spotlight- Summer Pilley
The Mini Medal Final at the 2019 Downeast Medal Finals was won by Summer Pilley. Here is what Summer had to say:

" My name is Summer Pilley. My pony’s name is 'Sunny Days' aka Sunny. I have been riding since I was 5 years old and I will be 16 in February. Sunny is a welsh quarter horse cross, palomino. I’ve owned him since he was 6 months old, he is 11 now. My mom, Jessica Pilley, and I have taught him all he knows today. 
I was the first one on his back when we first started training him. He has been so good over the years. He’s that pony who taught me to ride. Sunny is so patient and forgives any mistakes I’ve ever made. I can do almost anything with him. I have done hunters, jumpers, eventing and dressage. He excels in all of them. Our main discipline are the hunters. I have also taught him how to be ridden with only a strap around his neck, no saddle or bridle. I have walked, trotted and cantered while standing on his back. At first he was like: “What is this kid doing?” Then, he and I got the hang of it. He was so patient with me. He’s the perfect pony to basically do whatever you want with him. 
I have been going to Downeast Medal Finals for 6 years. Two for w/t poles, two for short stirrup, and two at 2’6". Every year was fun and very successful, but this year was the most important to me since it was my last year on Sunny, and I won. I practiced a lot at home and with amazing trainers. I helped earn money by working at a barn as well as a working student for a couple of places. I did clinics with a top dressage trainer, hunter trainer, and eventing coach. I took all I learned from them and worked with my mom to create the best possible education for Sunny and I, and it paid off. I wouldn’t have been able to have such great success without Sunny. Now he will help train my 5 year old sister, Sonora, and help her with everything he helped me with. I am happy to move on to my new horse, Spencer. I will miss showing Sunny, but I need to move on and he has been the best animal I have and ever will own. Sunny is family and will never be sold. I can’t wait to see what I’ll be able to do with Spencer, but I own all my experience, knowledge and success to Sunny. "
Meader Supply
Meader Supply was created in the 80’s because our community had a need for quality driving supplies and we believed we could help fill this need. We may have begun as a draft supply store, but as our community has evolved we have continued to listen to requests, trying to fill in the gaps for what people couldn’t find. We still have a large inventory of draft and driving supplies, but we are also proud to be expanding our riding inventory as well. We have welcomed Professional’s Choice, Shires, Mountain Horse, Kerrits, Irideon, Buccas, Toklat, Tipperary, Phoenix Protective Products, Wintec, Bates, Arena Saddles, and so many more in the recent months. Here at Meader Supply we are a family, and we are all proud to be an ever-evolving retail location, constantly striving to please and give back to our community.
Meader Supply's store is now open! Find out more information on Facebook .
Equine Lyme Disease
Abstract
The seroprevalence (the level of a pathogen in a population) for Borrelia in the mid-Atlantic and northeastern is relatively high within the equine population. What’s more, in New England, 45% of horses have Borrelia antibodies (antibodies indicate infection or exposure). To determine if the horse is currently infected is difficult, and furthermore to determine whether clinical disease is associated with Borrelia is extremely difficult. Current serologic tests are very sensitive and specific for detecting either infection (previous or concurrent) or exposure, but may not distinguish between them.

Etiology
Lyme disease is caused by a bacterium called Borrelia burgdorferi and has three different strains associated with it. The strain that is found in North America is called B. burgdorferi sensu stricto . The bacteria are not free living (an organism that is directly dependent on another organism for survival) and maintain a two-year enzootic life cycle involving ixodid ticks such as I. scapularis found in the eastern US. The white-footed mice are the most common mammal that helps to maintain the life cycle of the bacteria. The infection first begins by the attachment and prolonged feeding (greater than 24 hours) of an infected adult Ixodes spp. tick. These ticks are most active in the fall and throughout the winter with temperatures above freezing. The bacteria live within the gastrointestinal tract of the tick and is transferred to the animal when feeding, which generally takes 24-48 hours to successfully transfer the bacteria in the mammalian host. Once transferred, the bacteria reside mostly in the skin near the tick bite in addition to connective tissue, muscle, around nerves and blood vessels.

Clinical-signs
There is a wide variety of clinical signs attributed to Borrelia infection. In addition, Lyme disease is most often a controversial disease especially in the eastern region of the US because there is a high prevalence of antibodies against Borrelia in horses in this area. Common clinical signs related to Lyme disease include stiffness and lameness in more than one limb (shifting limbs at time), muscle tenderness, hyperesthesia (response to light palpation), uveitis, lethargy, and behavioral changes. In horses that have high titers also show muscle wasting and pain over the thoracolumbar area. There has also been some reports of horses being neurologic due to the infection causing them to be ataxic, having lumbar muscle wasting and occasional muscle fasciculations and neck stiffness. Other clinical signs can be seen if the horse is concomitantly infected with another agent such as Anaplasma phagocytophila . If the tick is also carrying Anaplasma, the horse may show sighs of limb edema and have a high fever.

Diagnosis
On necropsy, the bacterium has been identified by using Steiner silver impregnation in affected dura mater of the brain and within the spinal cord. It can also be identified by PCR (polymerase chain reaction) using tissue with inflammation such as the spinal cord, muscle and joint capsule. However, ELISA (enzyme-linked immunosorbent assay) or IFA (immunofluorescent antibody) testing have been the most common used screening tests for detection of antibodies indicating exposure. A multiplex antibody test for OspA, OspC and OspF with quantitative antibody detection has been available for serodiagnosis. A high level of OspA suggest vaccination or exposure, a high level of OspC indicates recent infection and OspF suggest either chronic infection or more long-lasting antibodies. The most challenging aspect of diagnosing Lyme disease is determining if the horse is positive due to a current infection or whether is due to a passed exposure. In experimental horses, a large number of apparently asymptomatic horses (showing no symptoms) are seropositive. Clinical diagnosis is therefore difficult and should be based upon exposure (geographic location and serologic testing), probability of the clinical signs being related to Borrelia infection and anatomic locations for the organism to reside in the horse (synovial membranes, skin, meninges, nerves).

Treatment
The two most common drugs used to treat Borrelia in the horse are tetracycline given intravenous (IV) and doxycycline/minocycline (current oral treatment of choice) given orally (PO). In experimental horses, it was shown that IV tetracycline was more effective and obtains much higher tissue concentration than oral doxycycline. Doxycycline cannot be given via the IV route to horses because of potential side effects and tetracycline should not be given via orally because of its low bioavailability and its effect on the colon causing diarrhea. In addition, renal function should be monitored with IV tetracycline as high dose or prolonged treatment can induce acute renal failure in horses. Another drug called minocycline has better bioavailability than doxycycline and obtains higher concentration in the CSF (cerebrospinal fluid) and aqueous fluids because its more lipophilic (tending to combine with or dissolve in lipids) compared to doxycycline. Response to treatment is determined by both clinical response to antibodies and serologic testing.
Prevention
The means for prevention of Lyme disease in endemic areas includes the prevention of tick exposure or prolonged (greater than 24h) attachment, the provision of early antimicrobial treatment after known Ixodes exposures and vaccination. The suggested way to determine if a horse should receive a vaccine is to evaluate the OspA levels on the titer. If high, this helps protect the horse from infection due to the
process of inoculating the horse (the tick must down regulate OspA in order to spread the bacteria). The vaccine used in horses is a canine-approved Lyme vaccination that is commonly used, however the duration of protection, adverse effect, and efficacy in horses with the use of the canine vaccine is not yet known. Late summer, fall and early winter (after fly season) are the most common times for adults to attach. Therefore, during these seasons, the use of insecticides and close observations for ticks should be a high priority. Good pasture maintenance is also indicated to help minimize exposure to ticks.

If you have any questions or concerns regarding Equine Lyme Disease do not hesitate to contact the doctors of New England Equine Medical & Surgical Center.
Reference: Sellon D.C and Long M.T, Equine Infectious Diseases, 2nd edition, Elsevier Philadelphia. 
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Thank you to Spotted Vision Photography and Riitta Fortier for providing us with many wonderful photographs from the Downeast Medal Finals.
Bernard Klingenstein/Euclide Albert Memorial
The Cash Family
Lucky Clover Stables (207-651-1881)
Maggie Mae Memorial
My Horse Heroes Memorial
Peter N. Thompson Memorial
SeaHorse Stables
Seery Hill