Thin Beef Cow Flashcards

1
Q

What is a thin cow?

A

BCS<5

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2
Q

What points on the cow can you use to evaluate BCS?

A

Back, tail head, pins, hooks, ribs, brisket
Fat in tailhead >6
No fat in tailhead <5

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3
Q

Hooks:
Pins:

A

Tuber coxae
Ishial tuebrosity

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4
Q

Why may a mamma cow be skinny? What if she isn’t but her baby is?

A

A good mom gives her all to the baby, if she is fat and the baby is thin then she isnt doing her job

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5
Q

How do you know if the thiness is a herd problem or individual problem?

A

Herd: All nutrition
Induvial: one age, lameness, chronic disease

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6
Q

Describe a spring cows BCS in relation to calving and breeding

A

Hard to have in good BCS at calving (poor cyclicity) and easy to have them gaining during breeding season (goof fertility)

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7
Q

Describe a fall cows BCS in relation to calving and breeding

A

Easy to have cow in good BCS for calving (cyclicity) and poor when breeding (fertility)

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8
Q

What’s the age of the cattle with the following incisors erupting:
1st pair:
2nd pair:
3rd pair:
4th pair:

A

1 - 1.5yr
2 - 2.5yr
3 - 3.5yr
4- 4.5yr
Neck showing 6yr and up

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9
Q

How do you know when to cull a thin cow that is health other wise?

A

She is thin and low BCS and has corn for teeth

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10
Q

What are 3 differentials for swelling in jaw region of cow?

A

Lumpy Jaw - actinomyces bovis
Abscess - truperella pyrogenes
Woody Tongue - actinobacillus linguesa
Bottle Jaw - heart disease (pitting edema)

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11
Q

What are the pathophysiologic causes of bottle jaw?

A

Hypoproteinemia
Thelieria
Anaplasmosis
Right sided heart failure
Hardware disease
High Altitude Disease
Bacterial Endocarditis
Johnes

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12
Q

What is a typical signalment and clinical presentation of johnes?

A

7 year old, thin BSC 2-3, bottle jaw, diarrhea

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13
Q

What is clinical presentation of lumpy jaw and how did they get it?

A

Big lump on the jaw, grass awn

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14
Q

What is another cause of diarrhea that you may mistake for Johnes?

A

Grass Scours

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15
Q

What are 2 main causes of right sided heart failure?

A

Endocarditis and Hardware Disease/Traumatic reticulpericarditis

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16
Q

What are 3 clinical signs of traumatic reticulopericarditis?

A

Distended Jugular, Jugular Pulse, Wash Machine Heart Sound

(hauncehd, wont go down to withers pinch test)

17
Q

What is reticuloperitonitis?

A

Localized or generalized peritonitis, weight loss

Treatment: cull, withdraw antibiotics 7-10 days

18
Q

What is one treatment or prevention for Traumatic reticulopericarditis?

A

Magnet, NSAID, Antibiotic
Treatment success depend on severity

19
Q

What are signs of bacterial endocarditis?

A

Murmur, distended jugular, jug pulse, down on withers pinch test

Supportive care and antibiotics

20
Q

What is Johnes disease?

A

Mycobacterium Peratuberculosis
-Chronic infection ileum and regional lymph nodes - cant absorb anymore

21
Q

When and how does an infection of Johnes occur?

A

Young cow like 2, fecal oral rout, neonatal calf via milk or colostrum, water or feed

22
Q

What causes the thin cow in johnes?

A

damage to small intestines that causes the loss of protein from blood into the lumen of the intestines (PLE)

23
Q

What are signs of johnes disease?

A

Weight loss with good appetites, diarrhea, dull, lethargy, emaciatio, dehydration and bottle jaw

24
Q

If you find one johnes cow in your herd what does that mean for the rest?

A

15-20 others also probably have it, its hard to diagnose

25
How do you test for johnes?
Blood, milk eliza, fecal culture, or PCR (screen purchased, clinical and herd)
26
What are the prevention methods of johnes?
Prevent newborn and young from ingesting it Clean up farm environment (test cows before they enter herd)