Prevention

The Equine Heart, what should my horse's heart rate be, what is a normal rhythm horse heart, equine electrocardiogram, heart rate variability horse

Skipped Beats, Sudden Death… and Why We Shouldn’t Worry Too Much. When you first start examining patients as a veterinary student, you’re very keen to (gently) poke and prod every animal you come across. Realizing you can assess cardiovascular function by palpating peripheral pulses is very empowering!

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A Scratch for Every Itch - Horses scratch for many reasons. They scratch themselves on fences, rub up against posts (and sometimes people), roll on the ground, and groom each other. A natural behaviour usually linked to social bonding, comfort, and relaxation, it can be heightened seasonally by shedding, sweating, or the presence of insects. However, when scratching becomes frequent enough to result in hair loss, broken skin, scabs, or if it disrupts eating or sleeping, it is time to talk to a veterinarian to determine if a skin allergy is to blame so appropriate treatments can be pursued.

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Horses exposed to fire smoke can suffer respiratory injury of varying degrees, ranging from mild irritation to severe smoke inhalation-induced airway or lung damage. Knowing what is normal versus concerning can help to know whether a veterinarian should evaluate your horse.

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Grass clippings and yard waste trimmings can be toxic. As horse owners, we spend a lot of time and effort making sure our horses are healthy and well cared for. However, a simple mistake by a family member or neighbour could be disastrous.

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The majority of mares experience a smooth and uncomplicated birth, with the foal typically standing and nursing within an hour or two. Within a few days, the foal is often seen following the mare around the pasture and enjoying a nap in the sun. However, complications during or after birth can occasionally lead to a lack of oxygen reaching the foal's brain. This oxygen deprivation can result in conditions such as hypoxic-ischemic encephalopathy (HIE) or neonatal maladjustment syndrome (NMS), commonly referred to as "wanderers," "sleepers," "barkers," or "dummy foals" by barn managers.

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Biosecurity involves a series of management steps designed to reduce the risk of contagious diseases being introduced to, or spreading within, a horse property. All equine infectious diseases arise through the interaction between the horse, its environment, and disease-causing organisms such as bacteria, viruses, or parasites. The outcome depends on both the animal’s immune defense and the strength of the pathogen—providing key points where intervention can reduce risk.

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One of the many reasons that the words “colic surgery” tend to strike fear into a horse owner’s heart is the question of whether their horse will be able to return to their previous level of performance (or even return to performing at all). A recent research study by Dr. Holcombe and her team at Michigan State University looked at specific ways that a horse owner can influence the likelihood of this return to performance after colic surgery (1).

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Neurologic issues can affect horses at any age, and clinical signs can result from infectious and non-infectious causes. Increased understanding of equine neurologic conditions has enabled earlier diagnosis and improved outcomes, and vaccines have reduced the spread of infectious diseases. However, diagnosis and treatment remain challenging in some cases.

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Equine neurological examinations evaluate horses from head to tail. They are performed to evaluate signs consistent with neurologic disease or to establish that a horse is neurologically normal, such as during a pre-purchase exam. A neurological exam can be divided into two parts: static and dynamic.

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Across Canada, owners, riders, farms, and horses continue to struggle with strangles, equine influenza, and equine herpesvirus myeloencephalopathy. Not only can these diseases be detrimental to horses’ health, but managing ill horses can stretch finances, shut down commercial operations, and be an emotional roller coaster for those involved.

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