Term
|
Definition
Disabled limb marked by stiffness and
soreness making movement (walking)
difficult or impossible |
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Term
|
Definition
Lameness is the 3rd major issues facing
dairy producers (after mastitis &
reproductive problems).
• Tremendous economic losses: weight loss,
decreased milk production, decreased
reproductive efficiency, increased culling.
• Welfare of the animal
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Term
|
Definition
Change in posture
• Increased heat
• Changes in shape or size
• Discolored spots on sole
• Abnormal wear patterns
(Soft swelling, thickening of
tendons, hard lumps) |
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|
Term
Causes of Lameness
(Foot Problems) |
|
Definition
• Foot rot (Interdigital phlegmon)
• Heel erosions (Hairy Heel Warts)
• Laminitis and rumen acidosis
• Sole ulcers
• Excess hoof growth |
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Term
|
Definition
| inflammation of the brain |
|
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Term
|
Definition
| inflammation of meninges (membranes surrounding brain and spinal cord) |
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Term
|
Definition
| inflammation of the meninges and |
|
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Term
| Signs of Nervous Diseases |
|
Definition
behavioral change
incoordination
impairment of sense (extreme sensitivity to touch)
immobility: (paresis, paralysis)
Involuntary movements (spasms, twitching, circling, convulsions) |
|
|
Term
Diseases Associated with Encephalitis:
Bacterial |
|
Definition
| Tetanus, Botulism, Listeria |
|
|
Term
Diseases Associated with Encephalitis:
Viral |
|
Definition
Rabies
West Nile Virus
Eastern/Western Equine Encephalitis (EEE, WEE, SLE)
Poliomyelitis |
|
|
Term
Diseases Associated with Encephalitis:
Prions |
|
Definition
Transmissible Spongiform Encephaloopathy (TSE)
-->BSE, CJD, Scrapie, CWD |
|
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Term
|
Definition
proteniaceous (mis-folded) infectious particle
Prion = a compound word derived from the initial letters of the words proteinaceous and infectious, with -on added by analogy to the word virion
does not contain RNA or DNA (technically not alive like bacteria)
Extrememly resistant to heat (1000*F, 350*C), proteases (chemical digestion), disinfectants, and UV light |
|
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Term
|
Definition
PrPSc (Sc for scrapie): Same
amino acid sequence and
primary structure as normal
protein (PrPC , C for cellular)
• When the abnormal PrPSc
contacts the normal PrPC ,
converts it to abnormal form (β-
confirmation) |
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