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Livestock Nutrition - Beef Nutrition Flashcards | StudBud
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Livestock Nutrition - Beef Nutrition
Livestock Nutrition - Beef Nutrition
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Questions
40
Answers
1
What is the OPTIMAL BCS for beef cows at calving?
0-9
3-7
1-4
5-7
2
What is inflammation of the rumen wall leading to ulceration & focal abscess formation?
Traumatic reticulopericarditis
Hepatitis
Rumenitis
Lactic acidosis
3
Which of the following are examples of by-products that can be fed to beef cows?
Hulls
Bakery waste
Distillers’ grains
Grain screenings
4
How could you prevent bloat in beef cows?
Ensure livestock have access to roughage
Use grazing management
Daily application of bloat oil to pasture
Incorporating bloat resistant legumes to pasture
5
Producers often divide beef cattle herds into feeing groups, what group is described above?
Group 4
Group 1
Group 2
Group 3
6
What type of beef feed source is high in fiber, lower in energy & varying protein content?
Forages
Oilseeds
Grains
By-products
7
Most of the energy that ruminants get from their diet comes from where?
Protein
Carbohydrates
Fat
Vitamins
8
What are the two ways that beef is graded?
Yield grades for amount of usable lean meat on carcass
Quality grades for tenderness, juiciness & flavor
Quantity grade for amount of bone removed from carcass at butchering
Price grades for amount of money spent on carcass
9
Producers often divide beef cattle herds into feeing groups, what group is described above?
Group 3
Group 2
Group 1
Group 4
10
Even though mineral concentrations found in forages may appear sufficient, availability may be much less.
True
False
11
What classes of animals have greater requirements when it comes to water?
Newborn animals
Growing animals
Heavier animals
Lactating animals
12
What are the choices of beef from highest grade to lowest grade?
Commercial - select - choice - prime
Choice - prime - commercial - select
Select - commercial - prime - choice
Prime - choice - select - commercial
13
When neutral detergent fibers in feed of beef cattle increase, what does the animal do?
Eat more
Drink more
Urinate more
Eat less
14
What is scratch factor?
Allows excess gas to escape, preventing bloat
Fiber scratches the rumen wall to start a series of contractions
Fiber abrasiveness prevents loss of rumen papillae
Prevents ruminal parakeratosis
15
Mineral deficiency results in what conditions in beef cattle?
Reduced reproduction rates
Increased birth weight of newborn calves
Reductions in growth
Decreased immune function
16
What is the average BCS for beef cows throughout the year?
1-4
5-9
3-7
0-9
17
Which of the following are examples of grains that can be fed to beef cows?
Corn
Wheat
Barley
Oats
18
Producers often divide beef cattle herds into feeing groups, what group is described above?
Group 3
Group 1
Group 4
Group 2
19
When are you more likely to see bloat occur in beef cattle?
Put out to lush, rapidly growing legume pastures
Intensive ration feeding w/low fiber component
When kept in strict confinement with limited hay rations
When given wilted green forage
20
What critical aspects of production are related to the BCS of a beef cow?
Milk production
Conception rates
Calving interval
Days to estrus
21
For every beef cow that shows clinical signs of acidosis, there are several more that are affected w/o clinical signs.
True
False
22
How would you prevent rumenitis in beef cattle?
Adapting cattle to high grain diets gradually
Avoid over-/underfeeding
Proper feed bunk management
Increasing roughage content
23
Producers often divide beef cattle herds into feeing groups, what group is described above?
Group 4
Group 2
Group 3
Group 1
24
What type of bloat is d/t chemicals increasing the surface tension of rumen liquid?
Frothy
Milk fever
Impaction
Free
25
What are the clinical signs associated w/ bloat?
Vocalizing or rubbing against hard objects
Affected cattle are irritated
Distention of upper left flank
Sudden death
26
What is the accumulation of excess gas in the rumen, can be free or frothy?
LDA
PPID
Bloat
Ruminal stasis
27
What type of beef feed source is high in energy, low in fiber & moderate to high protein content?
Forages
By-products
Grains
Oilseeds
28
What type of bloat accumulated b/c the rumen is flaccid & not performing its usual function?
Impaction
Milk fever
Free
Frothy
29
Which of the following are examples of forages that can be fed to beef cows?
Hay
Grass
Silage
Greenfeed
30
What are the effects of a drop in ruminal pH that is associated w/ acidosis in beef cattle?
Increase in microbial activity
Changes to ruminal flora
Rumen becomes atonic
Increase in rumen motility
31
Which of the following are examples of oilseed that can be fed to beef cows?
Soybean
Grain screenings
Canola meal
Silage
32
What are the causes of acidosis in beef cows?
Feeding a high level of rapidly digestible carbs
Increased water intake, flushing out bicarbonate
Increased rations of roughage added to the diet
Feeding more vitamins & minerals than the daily requirement
33
What type of beef feed source has variable nutrient content & may be high in moisture?
Grains
Forages
Oilseeds
By-products
34
Traumatic reticulopericarditis can produce a fibrinous exudate around the heart. What is the common name of this disease
Hardware disease
Rumenitis
Ruminal acidosis
Bloat
35
When should BCS be recorded for a beef cow throughout the year?
Middle of winter
Weaning
60-90 days before calving
At calving
36
How would you prevent acidosis in beef cows?
Control rumen pH (more chewing or hydration of feed)
Control fermentation process (slow down)
Remove all carbohydrates from diet
Proper diet balancing & feeding management
37
Beef cattle need a good, clean, consistent water supply b/c it affects growth & performance of the animal.
False
True
38
What type of beef feed source is high in protein, high in energy & high in fat w/variable fiber content?
Forages
By-products
Grains
Oilseeds
39
Rumenitis can lead to what other problems in beef cattle?
Ruminal alkalosis
Traumatic reticulopericarditis
Chronic laminitis
Liver abscesses
40
How would you go about preventing traumatic reticulopericarditis?
Avoiding the use of bailing wire
Bar magnets administered PO
Keeping cattle away from new construction sites
Passing magnets over feed to remove metal objects
