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Winter Feeding - Dr David Marlin

This month, The Pure Feed Company's Nutritional Consultant Dr David Marlin looks at the factors affecting winter feeding.

Energy

As the temperature drops, many horses will require a little more energy as they use up more energy to keep warm. This obviously depends on many factors such as breed, age, body condition, size, health status, etc. But if a horse is going to lose condition then it’s most likely to happen in the Winter. Those at risk are generally older horses, young horses, thin horses, horses with poor teeth, horses with low body condition score and of course horses that have been clipped. For most horses for every degree C the temperature drops below freezing, an extra 1% of energy is required to maintain bodyweight. A good way to supplement a little extra energy for horses that need it is either to slightly increase the amount of hard feed or alternatively to add in a high fat feed such as linseed. Linseed is ideal as its palatable, low starch and also provides quality protein which may be lacking in forage or pasture during the Winter.

Forage

horse with hay in it's mouth

If your pasture coverage remains good and the grass quality high then many horses and ponies will not need supplemental forage (i.e. hay or haylage) except if there is snow. If your horse is stabled and only getting hay, feeding it soaked or steamed is recommended to reduce respiratory disease. The alternative is of course to feed haylage.

Bran Mashes

Many people still like the idea of giving a horse a warm bran mash once a week. I’ve never been a big fan as the sudden addition of a moderate-large feed of something the horse is not eating on a daily basis or which hasn’t been slowly introduced to the diet is a risk for upsetting the bacteria in the hindgut and I would definitely avoid bran mashes in horses prone to colic or laminitis. However, there is no reason why you cannot treat your horse on a cold day or after hard work to his normal feed whether it be a concentrate, chaff, high fibre cubes or balancer with the addition of some warm water.

Vitamins & Minerals

Vitamin and mineral intake from pasture and forages may be borderline for many horses during the Winter and especially for horses with chronic conditions such as Cushings and Equine asthma. Both these conditions result in low plasma Vitamin C and horses affected will benefit from supplementation, especially during the Winter months.

Water

horse drinking from water trough

While horses may not visibly sweat as much in cold weather, they still lose water and electrolytes which need to be replaced. There is a belief that hot horses should not be allowed to drink cold water. Most horses do not suffer any ill-effects from doing so – out hunting they often drink happily from cold streams. However, one study conducted in America showed that, while in the summer
ponies drank equal volumes of warm and cold water, in winter they appeared to drink more when the water was warm compared with when it was cold. What does this mean in practical terms? It suggests that at competitions during the winter, while there is no harm in offering cold water straight out of the tap, horses may be more likely to drink if the water is slightly warmer — between 15-20°C is ideal. If you have a horse or pony that is prone to impaction colic then a heated water trough/bucket might be worth considering.

Sycamore Poisoning

Sycamore Seeds

Atypical Myopathy typically occurs in Autumn/Winter when horses ingest fallen sycamore seeds.
If you have sycamores bordering or in your paddocks, consider moving your horses off these paddocks or if you are unable to, fence off as large an area around the tree as is practical. Risk/severity is related to number of seeds ingested and whilst the seeds do carry with the wind the concentration will almost certainly be highest near the tree.

Feet

The horses feet grow more slowly in Winter than in the warmer months so it is especially important to ensure your horse grows good quality horn in the Winter as this will be what your horse is standing and exercising on come next season. A supplement that’s high in Biotin and which supplies adequate amounts of microminerals is a good starting point.

Rugs

I have written a detailed piece about rugs which is on my Facebook page. Many horses are rugged too heavily and this reduces the amount of energy they need to use to keep warm and can be a component in obesity. Don’t judge the need for a rug based on how you feel. The horse has a coat and is much larger than we are and so retains heat much better than we do.

Dr David Marlin, Pure Feed Nutritional Consultant

For more winter feeding advice and to see how Pure Feed can help keep your horse in top condition this winter follow the link below.

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