Grazing-Related Animal Health Concerns Quiz
1. What factor most influences the bloat-causing potential of a forage?
a.
The stage of growth of the plant
b.
The rate of digestion of the forage material
c.
The rate of photosynthesis of the plant
d.
The growth rate of the plant
2. Which of these plants is considered to present a bloat risk?
a.
Red clover
b.
Sainfoin
c.
Cicer milkvetch
d.
Perennial Grasses
e.
Bird’s-foot trefoil
3. Frost increases the risk of bloat of an alfalfa stand because it causes the plants cell walls to rupture. How long does this effect last before bloat risk decreases?
a.
Up to 24 hours
b.
Up to five days
c.
Up to ten days
d.
Alfalfa that has been frozen is not safe to feed to cattle
4. Which of these options is not a best management practice to reduce bloat risk?
a.
Move cattle to new pasture at midday
b.
Move cattle to new pasture when it is wet from morning dew
c.
Graze bloat risk plants after bloom
d.
Move cattle when they are full
5. What mineral deficiency causes grass tetany in cattle?
a.
Calcium
b.
Zinc
c.
Selenium
d.
Magnesium
6. Which of the following factors increases the risk of grass tetany?
a.
Low levels of soil potassium
b.
Fall fertilization of pastures
c.
Low levels of soil phosphorus
d.
Hot, dry weather
e.
Inclusion of legumes in a pasture
7. What part of the water hemlock plant has the highest level of toxin?
a.
Flower bud
b.
Leaves
c.
Stem
d.
Roots
8. What water quality condition is caused primarily by nutrient runoff from either manure or fertilizer application?
a.
TDS (total dissolved solids)
b.
Blue-green algae bloom
c.
Sulphates
d.
Alkalinity
9. Availability of high-quality water does not contribute to:
a.
Decreased feed intake
b.
Increased weight gain
c.
Increased milk production
d.
Lower incidence of disease
10. What is the main symptom of cattle consuming water with high TDS (total dissolved solids)?
a.
Diarrhea
b.
Frothing at the mouth
c.
Difficulty breathing
d.
Muscle spasms