UNDERSTANDING - 1 - COW_Mastitis

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1. Enter your First and Last Name

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2. Two common ways bacteria may pass through the teat canal between milkings is by:

Multiplying inside the teat canal

Physical movement resulting from pressure placed on the teat end as the cow moves about

Via droplets impacts against the teat end

During full insertion of an antibiotic infusion cannula

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3. The most active type of leukocyte is

Neutrophils

Macrophages

Lymphocytes

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4. The two major categories of invading organisms that can be used to classify mastitis include:

Environmental

Contagious

Local

Topical

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5. Contagious Mastitis results mainly from exposure to moisture, mud, and manure.

True

False

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6. Select all that apply to Environmental Mastitis:

Is often spread between milkings

Cannot be eradicated

Can cause severe clinical cases

Exposure is infected milk

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7. Environmental Streps can only cause subclinical mastitis.

True

False

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8. Sand bedding that is high in organic matter usually has the lowest bacterial populations.

True

False

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9. Select all that are true. Dry cows are at higher risk of mastitis infection because:

Important preventive practices are stopped.

Teat canal gets longer

Cows immune system is depressed as calving approaches

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10. Select all that are true.

Control of mastitis depends on hygienic standards.

Current milk production systems impose some challenges for maintaining cow and facility hygiene.

Emphasis on monitoring animal and facility hygiene is unnecessary to minimize the development of environmental mastitis

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11. Select all that apply to Contagious Mastitis.

The reservoir is cow udders

Easily and often spread between cows at milking

Cannot be eradicated

Main agents are Staphylococcus aureus, Streptococcus agalactiae, some environmental Streptococci

UNDERSTANDING - 1 - COW_Mastitis

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* 1. Enter your First and Last Name

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* 2. Two common ways bacteria may pass through the teat canal between milkings is by:

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* 3. The most active type of leukocyte is

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* 4. The two major categories of invading organisms that can be used to classify mastitis include:

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* 5. Contagious Mastitis results mainly from exposure to moisture, mud, and manure.

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* 6. Select all that apply to Environmental Mastitis:

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* 7. Environmental Streps can only cause subclinical mastitis.

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* 8. Sand bedding that is high in organic matter usually has the lowest bacterial populations.

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* 9. Select all that are true. Dry cows are at higher risk of mastitis infection because:

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* 10. Select all that are true.

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* 11. Select all that apply to Contagious Mastitis.

1. Enter your First and Last Name

2. Two common ways bacteria may pass through the teat canal between milkings is by:

3. The most active type of leukocyte is

4. The two major categories of invading organisms that can be used to classify mastitis include:

5. Contagious Mastitis results mainly from exposure to moisture, mud, and manure.

6. Select all that apply to Environmental Mastitis:

7. Environmental Streps can only cause subclinical mastitis.

8. Sand bedding that is high in organic matter usually has the lowest bacterial populations.

9. Select all that are true. Dry cows are at higher risk of mastitis infection because:

10. Select all that are true.

11. Select all that apply to Contagious Mastitis.