HORSE FACT FRIDAY: PPID OR CUSHINGS
Friday, October 25, 2024
In our home we say to train like you fight. And training your horse to fitness levels that match the level of competition is no exception.
A few years ago, I was fortunate enough to attend a seminar on equine fitness levels. I got a brilliant lecture, as well as demonstration on horse heart rates in specific situations. This lecture and presentation stuck with me. I've always maintained fit horses, and I've been fortunate in terms of injuries during competition. But after this lecture and doing research, I don't think it was luck. I think my fitness program for my horses helped them avoid injury.
At the bottom of this post, you will find the articles where much of this information comes from. I encourage you to research this more as well. As ambassadors of our equestrian sport (no matter which sport that is) we are responsible for educating ourselves so that we can do what is best for our horse partners.
In a study that Practical Horseman published they followed nine ponies and 20 horses as they were prepping for the European Eventing Championships in 2010 and 2011. Each pony or horse was testing using a standardized exercise test which comprised of four consecutive 1000 meter gallops at 6.7, 8.3, 10, and 11.7 (or top speed) mps. The heart rates, respiration rate, and blood tests to check for plasma-lactate was done after each run and then again after a ten minute cool down walk. This test was done at the start of training and then again, after 11 weeks of competition training. At the start of training, horses and ponies were separated into average or good fitness levels.
By the 11 week mark only four horses and three ponies remained. The most common cause of withdrawal was "locomotor injuries" which included tendon injuries, fetlock injuries, and unknown lameness. When researchers looked at which horses were withdrawn the majority were from the average fitness level group. Overall the horses that remained sound had lower heart rates than horses that were reported as injured.
In a study shared by Mad Barn, a disruption in exercise routines at racetracks in California, New York, and Florida showed that horses who had their routine disrupted were more prone to race-related injuries. KER reports that horses who have a higher rate of lactate during and after competition are not being trained sufficiently. Higher levels of lactate are frequently correlated with higher rates of injury.
In addition to reducing injury, keeping horses fit improves their gait, flexibility, improves bone mass, increases cartilage thickness, and improves joint health. Those are just the physical benefits of keeping a horse fit. Regular training is mentally stimulating and decreases some behaviors that are associated with boredom.
But is it enough to have a fit horse?
Not according to Oklahoma State Extension. The type of exercise and training matters as well. Your horse needs to exercise with specificity to increase their ability to perform. They need to train how they will compete. This is not to say that if you're a barrel racer like me that all the exercise should be done on the pattern. That's a good way to make your horse hate the barrel pattern. However, you should identify the types of moves, acceleration, and agility your horse will need for your specific event then find ways to exercise and train utilizing those moves. This will increase muscle fibers that are required for your event which, in turn, will increase their ability to perform.
And make sure you aren't skipping warm ups and cool downs. Warming up is shown to increase speed as well as provide a mental shift in the mindset of both horse and rider. Cool downs at the walk or trot show a faster clearance of lactate which enhances recovery time.
How can you test your horses fitness level?
According to EquiDocVet, there are five major components to testing equine fitness levels.
Sources
https://practicalhorsemanmag.com/health/horse-fitness-and-injury-30073/
https://equiddocvet.com/fitness-indicators-for-your-horse-by-veterinary-professionals/
https://madbarn.com/benefits-of-exercise-in-horses/
https://kerclockit.com/home/equine-fitness/
https://extension.okstate.edu/fact-sheets/physical-conditioning-of-horses.html
Something every equestrian should know is how to evaluate the body condition of their horses. There are hundreds of charts and articles about this on the internet, as well as multiple Facebook groups that will help you with nutrition if you're struggling. I'm going to do a crash course here, along with some reminders that checking your horses BCS (body condition score) as well as assessing their general health and fitness level is something that should be done on an on-going basis.
There are six areas that we look at on horses to assess their BCS. These are the lumbar spinous processes, ribs, tailhead, right behind the scapula or shoulder, their neck, and their withers. The scale is a one through nine scale with one being emaciated and nine being severely obese.
Some advantages of this are that it is easy to perform, integrates all body areas, and helps owners assess for risks of disease or notice changes in their horses. Some disadvantages is that it only assesses subcutaneous fat, there can be differences between evaluators, and scores may vary between breeds or body types.
Each area is scored individually on the 1-9 scale then an average of those areas is taken to give an overall score, but as you grow more experienced in evaluating most people can just provide an overall score.
There are some industry standards for specific classes of horses to include breeding mares, stallions, and performance horses. Breeding mares should range between 6 and 7, stallions tend to have the best success at a 5 to 6, while performance horses typically have a 4 to 5.
However, there is a vast difference between a super fit performance horse like a racehorse or barrel horse (compare them to an Olympic or top level human athlete) and one that is just thin because of a caloric deficit. The difference is a healthy thin and an unhealthy thin. The performance horse is an incredible athlete who just simply may not be able to maintain the extra fat due to the level of performing and training they are doing.
This is why being able to assess fitness levels alongside BCS is important. When someone is riding a thin horse that is not fit that's not a healthy decision for the horse whereas someone riding a very fit horse is.
Example of a fit horse at BCS 4