Thin Beef Cow

Question 1

FAT in the tailhead is __ BCS

Answer 1

> /= 6

Question 2

No fat in the tailhead is __

Answer 2

</= 5

Question 3

A BCS 3 cow has a __ back that you could balance a can on

Answer 3

Straight

Question 4

With Spring Calving it’s __ to have cows in a good BCS at calving but __ to have them gaining weight during breeding season

Answer 4

With Spring Calving it’s HARD to have cows in a good BCS at calving but EASY to have them gaining weight during breeding season

Question 5

With Fall Calving its __ to have cows in good BCS at calving and __ to have them gaining weight during breeding season

Answer 5

With Fall Calving its EASY to have cows in good BCS at calving and HARD to have them gaining weight during breeding season

Question 6

Generally describe how to age cattle

Answer 6

For the first 2-5 years we can very accurately age them by counting pairs of incisors and adding .5 so 2 pairs of incisors = 2.5 yrs old. Once they are 6-10 years old its a little bit harder but you can look at how many pairs have the tooth neck showing and add 1 to their 5 years -> a cow with 4 pairs of incisors and 2 pairs with the tooth neck showing is 7 years old.

Question 7

Name the 3 reasons why cow get swellings in the jaw region

Answer 7

1. Lumpy jaw (actinomyces bovis)
2. Bottle Jaw (hypoproteinemia)
3. Abscess (freely moveable)

Question 8

What are the physiologic causes of bottle jaw?

Answer 8

1. Hypoproteinemia
2. Right sided heart failure: bacterial endocarditis, hardware disease

Question 9

What are the 3 clinical signs of traumatic reticulopericarditis?

Answer 9

1. Hunched up
2. Distended jugular + pulses with a heart murmur (washing machine sound)
3. Withers pinch test

Question 10

Treatment for hardware disease

Answer 10

First you have to decide if you want to treat or not before giving anything with a slaughter withdrawal.

Magnets, NSAIDS, Antibiotics

Question 11

Bacterial endocarditis will have a __ and distended __. When the withers pinch test is performed, the animal should __. Treatment is the __

Answer 11

Bacterial endocarditis will have a murmur and distended jugular. When the withers pinch test is performed, the animal should drop . Treatment is the same as hardware disease but without the magnet.

Question 12

Mycobacterium paratuberculosis is also known as __ when clinical signs are present and is a chronic infection of the __ and __. The intestine thickens which causes __ leading to a ___ causing hypoproteinemia

Answer 12

Mycobacterium paratuberculosis is also known a Johnes disease when clinical signs are present and is a chronic infection of the ileum and regional lymph nodes. The intestine thickens which causes malabsorption leading to a protein losing enteropathy causing hypoproteinemia

Question 13

A cow with diarrhea, weight loss and a normal appetite would put what at the top of your differentials?

Answer 13

Johnes disease

Question 14

Johnes disease is more common in __ herds

Answer 14

Diary herds

Question 15

What is the best diagnostic test for Johnes disease?

Answer 15

Blood or milk Elisa is the cheapest and fastest and typically is used to determine if cattle are negative

Clinical cows will either use blood ELISA or fecal culture

Question 16

The two fundamental principles to control M. Paratb include what?

Answer 16

1. Preventing newborn and young calves from ingesting feces from infected adult cattle
2. Reducing total farm environmental contamination by culling cattle that are shedding M. Paratb