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IAC 3 > EQ Breed Dispositions > Flashcards

EQ Breed Dispositions Flashcards

1
Q

RER

A

Thoroughbreds

Give Dantrolene before exercise

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2
Q

PSSM

A

QH

Dominant

Type 1: drafts (Belgians, percherons), halter horses (QHs, appaloosas, paints) GYS1 mutation

Type 2: performance horses (QH, warmbloods)

CK exercise trial

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3
Q

HYPP

A

QH and halter horses

Dominant

ATPase channel doesn’t work —> hyperkalemia (give dextrose)

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4
Q

MH

A

QH and pigs and humans

Dominant

Ryanodine receptor mutation

Triggered by anesthesia, succinylcholine, and stress

Give Dantrolene

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5
Q

HERDA (Hereditary Equine Regional Dermal Asthenja Disorder)

A

QH

Recessive

Defective collagen (skin sloughs)

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6
Q

GBED

A

QH, paints, appaloosas

Recessive

FATAL

Muscle weakness, repro issues

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7
Q

IMM

A

QH, reining, working cow horses, halter horses

Strangles causes it

Mutation in myosin heavy chain 1 (MYH1)

Immune system targets muscles on topline and gluteals

Calciphylaxis (fatal)

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8
Q

Myofibrillar myopathy

A

Arabians and warmbloods

Muscle stiffness (mild signs of RER but no elevated muscle enzymes)

Linked with previous PSSM 2 diagnosis

Stain for Desmin on muscle biopsy

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9
Q

ERU

A

Appaloosas

Autoimmune so give steroids (or cyclosporine implant)

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10
Q

Night blindness

A

Leopard appaloosas and Tennessee walkers

Incomplete dominance

Can test genetically

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11
Q

Multiple congenital ocular anomalies (MCOA)

A

Rocky Mountain horse (silver coats)

Cysts, big cornea, weird iris and retina

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12
Q

Lethal white ovaro

A

2 frame ovaros

Incomplete dominance

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13
Q

Blue eyes and deafness

A

Splashed paints (white face)

Endothelium B receptor mutation

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14
Q

Warmblood fragile foal syndrome

A

Warmbloods

Connective tissue defect that’s fatal (hyperextensible)

Recessive

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15
Q

Red foot dz and junctional epidermolysis bullosa

A

Belgians and American Saddlebreds

Blistering of skin and mouth, hooves slough

Recessive

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16
Q

Lavender goal syndrome

A

Arabians

CNS signs and hyper extension- fatal

Recessive

17
Q

Juvenile idiopathic epilepsy

A

Egyptian Arabian goals

Seizures that stop after 1yo

18
Q

Cerebellar abiotrophy

A

Arabians

Neuro signs that show up by 6mo (normal at birth)

Don’t ride (pasture pet)

Recessive

19
Q

Severe Combined Immunodeficiency (SCID)

A

Arabians

No immune system- fatal

Recessive

20
Q

Strangulating lipomas

A

Arabians and old

21
Q

fecaliths

A

Minis

22
Q

EMS

A

Ponies, Arabians, donkeys, minis, Morgan’s, Paso Finos, Fjords, gaited horses (TN walking horse, Missouri fox trotters, saddlebreds)

Fat middle aged

Laminitis

23
Q

PPID

A

No breed association, just old

24
Q

Navicular dz

A

QH, TB, WB

4-15yo

25
Q

Degenerative suspensory ligament disease

A

Peruvian Paso (all limbs), old, broodmares, exercise, prior SL injury

Collagen degeneration —> fetlock drop multiple limbs (usually hind)

Poor prognosis

26
Q

Recurrent laryngeal neuropathy

A

Racehorses, drafts, warmbloods

27
Q

Laminitis

A

Ponies and donkeys

In these because insulin resistance, increased insulin secretory response, fat, hypertriglyceridemia

Pasture and steroids can cause it

28
Q

Pattern dermatitis

A

Feathers (shires, Clydesdales, Belgians)

Mild (scratches) —> exudative —> chronic proliferation

Usually bilateral, itchy

29
Q

Team roping

A

Headers > heelers

Headers: RF

30
Q

Cutting and reining

A

Poor Performance > lameness

Hindlimb > forelimb

Stifle and suspensory ligament desmitis

31
Q

Barrel horse

A

Lameness > poor performance

Limbs affected in the same order we number dental

Bilateral forelimb lameness

32
Q

Dressage

A

Hind limbs > forelimbs

Suspensory issues, forelimb coffin joint OA, forelimb check ligament desmitis

33
Q

Jumpers

A

Thoracolumbar pain

Hunters are fast and high
Jumpers are slow and low
Cross country immovable

NOTE: 3 day events is the three, but replace hunting with dressage

34
Q

Racehorses

A

Fetlock pain, shin splints

QH are sprinters, TB are distance

35
Q

Standardbred harness racing

A

Rhabdo, lots of issues

Trotters on diagonal,
Pacers are ipsilateral

Race longer than racehorses

36
Q

Gaited horses

A

Hind limbs > forelimbs
Soring
Proximal suspensory desmitis

IAC 3 (6 decks)

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