hoof

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hoof

(ho͝of, ho͞of)
n. pl. hooves (ho͝ovz, ho͞ovz) or hoofs
a. The horny sheath covering the toes or lower part of the foot of a mammal of the orders Perissodactyla and Artiodactyla, such as a horse, ox, or deer.
b. The foot of such an animal, especially a horse.

hoof

a horny casing of the toe produced by hardened epidermal cuticle (keratin), found particularly in UNGULATES.

hoof

the horny covering of the digit of ungulates. Consists of a wall, a sole and in the horse reflections of the wall which enclose a triangular frog. The hoof is attached to the underlying soft tissues by lamellae which interdigitate with similar lamellae in the soft tissues. The wall is composed of many minute horn tubes united by intertubular horn produced by a germinative layer at the coronary band where the skin and horn join. A thin, narrow band of soft, very light-colored horn called periople forms a flexible union between wall and skin. The wall is that part of the hoof extending from the coronet to the sole. It grows from the coronet and in horses takes about 1 year to reach the sole at the toe and some months fewer at the heel. The wall and the sole join at a visible band called the white line though this is often yellowish. These various parts of the hoof are described in more detail under their individual headings. See also cleat.

hoof abscess
results usually from a nailprick of the sole or from a cracked sole. The cavity of the abscess cannot be large because of the rigid nature of the tissues. Spread from the original site is via the potential space between the sensitive laminae and the hoof and eventually surfaces at the coronet with pus discharging from a sinus there. Causes severe lameness, and tetanus is a common accompaniment.
hoof avulsion
in cattle and horses it is usually the result of trauma and carries a very poor prognosis.
hoof block
see digital nerve block.
hoof congenital absence
with all four limbs affected, recorded in calves.
hoof cutters
pincer-like instruments with one blade sharp and chisel-pointed, the other square and acting as a block for the other to cut against. The good implements have a double-scissor action and detachable blades.
hoof erosion
occurs in association with interdigital dermatitis in cattle and contributes to lameness.
hoof lameness
lameness due to pain in the hoof; detected by tapping with a hammer or pinching with a hoof tester.
hoof oil
a mixture of 20 parts neat's-foot oil and 1 part Stockholm tar; used to prevent a horse's hooves from becoming dry and brittle.
hoof overgrowth
in old animals kept on very soft pasture or bedding; the hoof wall elongates and will eventually curl under so that the patient is walking on hoof wall instead of sole.
hoof pick
a pointed appliance in various shapes used to pick dirt and stones out of the grooves in the sole of a horse's hoof.
hoof slough
the wall and sole are detached from the sensitive laminae and the coronet and falls off. When the detachment is partial, the hoof is retained but is not viable and the patient gives the appearance of wearing slippers.
hoof tester
shaped like a pair of large pincers. One of the blades is placed on apparently normal hoof and the other on the part to be tested. If there is a flinch response when the handles are squeezed this is taken as an indication of pain at one of the pressure sites.
hoof ulcer
see pododermatitis circumscripta.
worn hoof
excessive wear, e.g. that which occurs in pastured cows forced to walk twice daily along races floored with recently paved non-slip concrete; may expose sensitive tissue, causing herd level lameness in all four limbs.
References in periodicals archive ?
The connections of third home Hoof It believe their upgraded handicapper was unfortunate not to break his Group 1 duck at Haydock.
After a five-minute wait, Dream Ahead was called the winner by a nose, with Hoof It a head further back.
Easterby's son David said: "At the moment the number-one choice for Hoof It is the Betfred Sprint Cup at Haydock, but we will have a look at the ground beforehand as he doesn't want extremes of going and we don't want to waste a pounds 14,000 supplementary entry fee.
The sponsors - who make Mac's Power 12-1 favourite - quote Hoof It at 14-1, the same price as the Ed Dunlop-trained Stewards' Cup fifth Kanaf, who could miss out on a trip to Scotland in favour of Doncaster the previous weekend.
Thirty-five years after he won the Nunthorpe Stakes with Lochnager, Easterby goes for a repeat win in the Coolmoresponsored race with Hoof It, who has been supplemented to the contest for pounds 20,000 after storming to victory at Goodwood.
Neither will be at York as they are both on holiday but Hoof It is bringing a substantial following with him to York from Sheriff Hutton.
There must be a few books prepared to take him on because of the drop to 5f, but I can't really see that being against him with Kieren Fallon well aware that in the 5f handicap at last year's meeting, Hoof It was too sluggish early, lost early momentum when crossed by a couple of rivals and was hampered when running on near the line.
With Hoof It, part-owned by him, winning the Stewards' Cup and stablemates Darren Clarke, Rory McIlroy and Charl Schwartzel grabbing the first three Majors of the year, it's high time that the Worksop wonder joined the party which continued on Sunday when another Chubby Chandler charge, Simon Dyson, captured the Irish Open.
Because she produced a series of May foals, Forever Bond was rested last year but has been covered in 2011 by Monsieur Bond, the sire of Forever's Girl, Hoof It and Ladies Are Forever (Bop It is by Misu Bond).
MICK EASTERBY led the applause for Mick Easterby when he went up to collect the trainer's trophy after the Stewards' Cup and while the 80-year-old has seen more than most, he has never before come across the likes of Hoof It, who put the sprint handicap record books through the shredder with a thumping victory under 10st.
Such is the competitive nature of the pounds 100,000 Blue Square-sponsored 6f handicap - winners in the last four years alone have ranged from 6-1 favourite to 40-1 rag - that every runner will have their supporters, but Hoof It, as last night's market leader, will have more than most.