basic knowledge of horse breeds and breeding understanding of proper conformation and unsoundness ...
TRANSCRIPT
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Basic knowledge of horse breeds and breeding
Understanding of proper conformation and unsoundness
Appreciation of various gates Knowledge of horse feeds and feeding Comprehension of horse management,
housing, and diseases in horses
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Domesticated for >5000 yrs. What has been their role?
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Many breeds have been developed for the various wants/needs of man
Light horse breeds› Racing, riding, exhibitions› Name some breeds and other functions
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Draft horses› Large and powerful› For heavy work
www.ansi.okstate.edu/BREEDS/index.htm
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Reproduction› Sexual maturity
12-18 mos. In light breeds 18-24 mos. In draft breeds
› 21d estrus cycle during breeding season Estrus behavior for 5-7d Ovulation during the last two days
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› 10% are multiple ovulations/only .5% twinning rate
340d gestation cycle Mares can be bred back 5-12d after foaling Selection
› Should be based upon the desired offspring› Selection for other reasons will often result in
unsoundness› Ideal environments for breeding programs
Ample pasture/forage
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Ample Exercise Either natural or regular schedule Maintain proper condition Maintain sound feet/legs
Worked in conditions for which they are bred Close observation is critical
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Purchasing› Know your needs/abilities› Pre-purchase exam› Keep records› Sales contract
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› Feet & Legs Most important functional parts of the horse Observe for correctness/unsoundness Ideal conformation
Front-line from point of shoulder through center of: Knee Pastern Cannon Foot
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Rear-line from point of buttocks through center of: Hock Cannon Pastern Foot
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› Hoof Essential for soundness Regular cleaning, trimming, shoeing (every
6-8 wks.) Grow .25-.5 in/mo.
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Unsoundness› Any defect interfering w/ the usefulness of
the horse› Caused by:
Injury, improper nutrition, genetics, poor conformation
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› Blemishes Defect that detracts from appearance Doesn’t affect usefulness
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Walk› 4 beats› Each foot strikes the ground independently
Trot› Two-beat› Diagonal
LF/RR hit ground in unison, etc.› Straight travel w/ no swaying
Pace› Two-beat› Lateral
Both R/L hit ground in unison› Is swaying from side to side
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Gallop› 4-beat› Fast
Canter› 3-beat› Two diagonals hit at same time, while other
hind leg and lead leg hit at different times Rack
› 4-beat› For showing purposes
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http://www.funnysnaps.com/igait.html
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Running walk› Fast ground walk› Unique to the Tennessee Walker› Gliding motion› Hind leg oversteps front footprint by 12-
18”
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Horses have natural shock absorbing mechanisms› Feet› Legs
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Abnormalities› Interference
Toeing out› Paddling
Toeing in› Overreaching
Hind foot hitting front heel Stumbling
› Forging Hind foot hits shoe on front foot
› Which is least critical?
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› Inspection of teeth Notice wear order of teeth Full mouth at five yrs. of age
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Need both forages and concentrates Mechanical action of chewing grinds
the feed, so not necessary for cracking or rolling
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Stomach only 10% of digestive capacity
60-70% of protein & sol. Carbos. Digested in S.I.
80% of fiber digested in the Cecum & colon› L.I. accounts for 60% of digestive capacity
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1 – Poor 2 – Very Thin 3 – Thin 4 – Moderately Thin 5 – Moderate 6 – Moderate to Fleshy 7 – Fleshy 8 – Fat 9 – Extremely Fat
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Overfeeding and obesity is discouraged Pregnant mares
› High forage diets are sufficient in first two trimesters w/ little grain supplementation
› Last trimester-more concentrate (oats, corn, barley)
› Do not drop below BCS 5 Lactating mares have the highest
nutritional requirements of any horse Evaluate feeds (hay) carefully for
quality, maturity, aroma, color, texture› Test if possible
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Colic› Common digestive disorder causing severe
abdominal pain Gas Decrease gut motility Parasites Ulcers Twisted gut Ingestion of sand
› Caused by: Abrupt diet changes Change in exercise regimen Change in housing
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› Signs of colic Pawing Pacing Rolling
› Treatment of colic Varied treatments Veterinarian care recommended
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Breeding› Be aware of any uterine problems due to
foaling› Can check if a mare is in heat by exposing
them to a stallion, and observing behavior Violent reaction-not in heat Stand, squat, and urination-in standing heat
› Cleanliness is vital Natural service
Both mare and stallion should be cleaned and washed
Mare’s tail wrapped
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› Stallion use Breeding on 1st day of standing heat, and
days 3 & 5 Stallions can service twice daily for a short
time, or once daily for 1-2 mos. AI use can improve stallion management and
mating programs
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Foaling› Normal foaling time is in spring› Clean, straw-bedded box stall, or on clean
pasture› Normal presentation should result in
delivery w/ no problems or assistance necessary
› Abnormal presentations Breech
Assistance should be given No head presentation
Push foal back in and bring head along w/ front legs
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› Foal should be carefully monitored after birth Clear nostrils & mouth of mucus, membranes Dry if weather is cold Dip umbilical cord in iodine to prevent infection
› Pregnant mares should be exercised regularly Weaning
› Remove mare› Leave foal in box stall, or secure fenced lot for
safety› High quality hay and concentrate should be
provided
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Castration› Do not do at weaning› Castrated male called a gelding› Safer for handling than stallions› Testicles are exposed, clamped, and cut› Careful observation and cleanliness is
necessary Identification
› Tattooing› Freeze branding› Hot iron branding› Electronic implants
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Care of Working Animals› Proper cool-down period after exercise or
work› Do not go directly to feed
Can cause colic or founder
› Provide extra energy› Protect against founder
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Consider drainage, accessibility, labor intensity, durability, air quality, exposure
Place hay rack at head height Grain feeder in separate location Water bucket on outside wall Stall size
› Foaling stalls 14 X 14
› Regular stalls 10 X 10 minimum Appropriate for size of horse
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Tack room› Necessary for storage and care of
equipment Stock
› Care for injured or horses needing treatment, breeding, palpation, injections
› Protection for handler
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Sanitation is key› Clean stalls› Clean horses
Vet assisted planning Bacterial infections
› Tetanus› Strangles (distemper)
Highly infectious respiratory disease› Rhinopneumonitis or Arteritis
Abortion causing› Vaccinations can aid in prevention
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Viral infections› Equine Encephalomyelitis (sleeping sickness)
Affects the brain Transmitted by mosquitoes, and horse to horse
› Influenza Airborne Fever, cough
› West Nile Mosquitoes and birds Depression, loss of coordination, tremors,
paralysis
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Parasites› Pinworms
Consumed in contaminated feed/water Irritation of the anus May observe tail rubbing
› Bots Larval eggs laid on hair coat Skin irritation If ingested can burrow into body tissue, and
stomach› Strongyles
Attach to walls of L..I.
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Eggs passed in feces, hatch, and larvae swallowed on blades of grass
Can cause arterial clotting
› Ascaris Worms S.I. Eggs also passed in feces Larvae carried to liver/lungs Cause intestinal blockage
› Deworming should be done 2-4 times per yr. Rotate types of wormer
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Strongyles
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