Thin Beef Cow

Question 1

What is a thin cow?

Answer 1

BCS<5

Question 2

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

Answer 2

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

Question 3

Hooks:
Pins:

Answer 3

Tuber coxae
Ishial tuebrosity

Question 4

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

Answer 4

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

Question 5

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

Answer 5

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

Question 6

Describe a spring cows BCS in relation to calving and breeding

Answer 6

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

Question 7

Describe a fall cows BCS in relation to calving and breeding

Answer 7

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

Question 8

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

Answer 8

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

Question 9

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

Answer 9

She is thin and low BCS and has corn for teeth

Question 10

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

Answer 10

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

Question 11

What are the pathophysiologic causes of bottle jaw?

Answer 11

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

Question 12

What is a typical signalment and clinical presentation of johnes?

Answer 12

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

Question 13

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

Answer 13

Big lump on the jaw, grass awn

Question 14

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

Answer 14

Grass Scours

Question 15

What are 2 main causes of right sided heart failure?

Answer 15

Endocarditis and Hardware Disease/Traumatic reticulpericarditis

Question 16

What are 3 clinical signs of traumatic reticulopericarditis?

Answer 16

Distended Jugular, Jugular Pulse, Wash Machine Heart Sound

(hauncehd, wont go down to withers pinch test)

Question 17

What is reticuloperitonitis?

Answer 17

Localized or generalized peritonitis, weight loss

Treatment: cull, withdraw antibiotics 7-10 days

Question 18

What is one treatment or prevention for Traumatic reticulopericarditis?

Answer 18

Magnet, NSAID, Antibiotic
Treatment success depend on severity

Question 19

What are signs of bacterial endocarditis?

Answer 19

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

Supportive care and antibiotics

Question 20

What is Johnes disease?

Answer 20

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

Question 21

When and how does an infection of Johnes occur?

Answer 21

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

Question 22

What causes the thin cow in johnes?

Answer 22

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

Question 23

What are signs of johnes disease?

Answer 23

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

Question 24

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

Answer 24

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

Question 25

How do you test for johnes?

Answer 25

Blood, milk eliza, fecal culture, or PCR (screen purchased, clinical and herd)

Question 26

What are the prevention methods of johnes?

Answer 26

Prevent newborn and young from ingesting it
Clean up farm environment (test cows before they enter herd)