Diagnosis
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The old adage ‘no foot, no horse’ really does apply in our unpredictable climate, which can trap hooves in a wet-dry-wet-dry cycle of rapid saturation and drying. This can weaken hoof horn over time and make hooves prone to cracked or soft hooves, thrown shoes, unsoundness and/or discomfort during work. Horse hooves become compromised when the moisture content does not remain reasonably constant. In any consistent climate, a horse can adapt well over time. However, frequent changes in the weather will adversely affect the internal structure of the hooves, which never have the chance to become ‘acclimatised’. In wet conditions such as a waterlogged field or rainy spell, the internal hoof structure swells and softens as it absorbs excess water molecules. This is because the essential molecular links which hold the keratin of the horn together have weakened. In subsequent dry conditions such as stabling or a spell of hot/dry weather, the internal hoof structure contracts and shrinks as the water evaporates. The faster the hooves have to react in this way, the worse the damage, meaning that a changeable climate such as the UK plays havoc with horses’ hooves. As hoof horn expands and contracts in varying conditions, the molecular structure weakens and cracks will appear. As the process continues, the hoof will become more porous over time, becoming saturated extremely quickly and drying out rapidly. This leaves empty spaces – ‘vacuoles’ – inside the hoof horn, which can act as nuclei for cracks and splits to form. It will make a horse prone to losing shoes as the nails cannot be held in tightly and the soles may become soft and susceptible to punctures, cavities and sensitivity. Clearly the affects of a wet-dry cycle can be very damaging but it is possible to prevent the hooves from becoming affected with the right protective measures. In preventing the effects of a wet-dry cycle remember that the hoof horn is already classed as ‘dead tissue’ and therefore some complex chemical engineering is required to waterproof it and strengthen it internally by cross-linking the keratin of the hoof wall – rather like adding rungs to a ladder. The best way to protect the horn against a wet-dry cycle is a two-pronged affair. Firstly, excess water must be prevented from entering the horn structure and secondly, weak horn must be strengthened without becoming brittle. Applying a strongly water-repellent but porous topical product on the outer surface of the hoof wall and sole is a good way of achieving this. Secondly, using a hoof hardener will add cross-linking bonds to the keratin, reinforcing the natural sulphur links that hold the hoof together, therefore strengthening and hardening the horn.
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Hooves that disintegrate easily are often the result of water damage from standing in wet fields, boggy paddocks, or frequent stabling. Water damage occurs when a horse’s hooves are saturated by environmental water, for example, mud, puddles, dewy grass, or wet bedding. This can cause splitting and cracking as the internal structure of the hooves expands. The problem can become worse in winter when feet are water-logged all day, and then dry out quickly when stabled overnight. This causes moisture to evaporate through the hoof walls very quickly. The hoof becomes trapped in a wet-dry cycle where the internal structures expand and contract quickly, causing cracks and gaps in the hooves. The best way to avoid water damage in hooves is to avoid exposing the hooves to environmental moisture while protecting the hooves’ breathability. Once the hooves are able to shirk off excess water their condition will improve and this will lead to strengthening of the hoof structure and better hoof quality. Keratex Hoofcare manufactures a Hoof Gel specifically designed to repair and recover hooves from water damage. It can be applied all over the hoof, sole, frog and bulbs of the heel, and will completely waterproof the entire hoof capsule in a fully supportive and breathable way. It will also prevent water damage from occurring and is a useful addition to your kit as a way of responding to weather changes as they happen to maintain hoof quality. Once applied, Keratex Hoof Gel will absorb into the hooves for maximum results (unlike some products which simply sit on the surface and are therefore easily rubbed off in grass or during exercise). When the hooves become wet, water will form droplets and roll off the hooves like rain off a waxed jacket or water off a duck’s back, so you can see the effectiveness of the product.
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This can be caused by frogs that are consistently soggy, and can thrive in horses who have a tendency to stand in boggy gateways or who are regularly stabled. Soft, smelly or black frogs will often occur in cobs and native breeds during winter as they have deep clefts and crevices where bacteria can thrive. This can be prevented and relieved by keeping very low levels of bacteria on the surface and in the crevices of the frogs. Using a general Hoof Disinfectant every day as part of your picking out routine will help to protect frogs by wiping out germs before they have a chance to get a foothold in the frog and surrounding area. Problem frogs are notoriously stubborn and have a tendency to relapse, but they can be easily dealt with by keeping the feet as clean as possible, with a daily disinfectant.
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Problems with the soles can cause hopping on hard ground or stony areas, during roadwork and thin and soft soles are prone to small punctures from little stones and pebbles. Hooves and soles should be quite hard in order to be able withstand the demands of the horse’s modern day lifestyle such as roadwork, schooling and standing in one patch of land as opposed to roaming as they would do naturally. To toughen up soles try Keratex Hoof Hardener, which is recommended by the Head Farrier of the Olympics (Beijing) Ian Hughes. It is also patented, meaning it is the only product of its kind registered. Hoof Hardener contains a safe and fully breathable hardening agent combined with a flexibility agent to give hooves optimum hoof durability while maintaining suppleness. It is recommended by vets and farriers and is approved for use in the short or long term to improve hoof quality. Unlike other products, Hoof Hardener also absorbs into the hooves, meaning that it will not come off in grass or onto bedding. For horses that hop on hard ground or stones, or who have thin or soft (sometimes crumbly) soles, apply Hardener daily for a week to stabilise the hooves and just two or three times a week thereafter for best maintenance. Keratex Hoofcare tells customers to expect a noticeable improvement within one week.
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No. This is a myth. There is some anecdotal evidence that white hooves are softer, but industry professionals go on the scientific facts and in fact there is no difference in the structure, moisture content, density or make-up in either of the colours, so there is no difference in the strength of the two colours. The hoof colour is actually determined by the skin above it, for this reason as the hoof grows out of the coronary band it is colour coded. For example, this is why so many Appaloosas have white and black stripy hooves.
It is true though that scientific research has found that weaker hooves have an increased moisture content whether they are black or white. So the more moisture in the hoof, the weaker it is, whatever the colour. When horses ran wild before human involvement, their feet were hard like bullets and very, very dry. This allowed them to deal with the many different types of terrain they encountered as they roamed and foraged. So whether the hoof is black or white, as long as it nice and hard, the capability will be the same in each colour.
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We advise not to over-moisturise the hooves as it can be counter-productive. Science shows us that hooves with a high moisture content are softer, and that hard, less moisturised hooves are better. Since the origins of time, horses were created with naturally very hard hooves - often described as being as hard as bullets - for this reason. Hard hooves are more capable at dealing with day-to-day demands and different terrains. Hooves that are over-moisturised may look very satiny and while this is aesthetically pleasing, after a while the over-moisturised hoof may have too much flex and bend. This can be detrimental to internal structures, much like our own nails which bend and break when too soft. Most dehydrated hooves will improve with just two or three applications of moisturiser per week, this should be enough for the vast majority of hooves and any more than this tends to be over-kill. If you have been moisturising your horse's hooves more than three times a week, and they have started to show cracks, micro-splits or other problems, it may be the right time to reduce your moisturiser applications per week.
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