INTRO - 3 - MILK QUALITY_Antibiotics Residues in Milk

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* 1. Enter your First and Last Name

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* 2. Select all that apply. Which of the following are undesirable effects of antibiotics in milk?

Antibiotics can cause allergic reactions in humans

Antibiotics can help select for resistant bacteria

Antibiotics can interfere with the manufacture of dairy products

Antibiotics can create an unpleasant taste

Antibiotics can create an unpleasant odor

Antibiotics can increase bacterial fermentation

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* 3. Select all that apply. In what ways can antibiotics affect the manufacture of dairy products?

Delaying starter activity for cheese, butter, and yogurt

Reducing the curdling of milk

Causing acidification problems

Decreasing the acid and flavor production associated with butter manufacture

Increasing the acid and flavor production associated with butter manufacture

They do not have an affect on the manufacture of dairy products

Increasing sediment occurrence

Increasing the curdling of milk

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* 4. In the US, if a bulk load of milk from one or more producers tests positive for a drug residue, what will happen to the milk?

The dairy plant operator will take responsibility for disposing of the load in a manner that precludes its use for human food.

It is downgraded to grade B milk

The milk will be taken to a facility to have the drug residues removed at the producer's expense, and then will be sold for human consumption.

The milk is sold at a reduced price with a notification of the presence of drug residues on the label.

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* 5. Which of the following are methods in which drugs can be administered to dairy cows?

Intramammary infusion

Intramuscular injection

Intravenous injection

Oral administration

Feed supplementation

Reproductive infusion

All of the above

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* 6. Improper control of drugs in mastitis treatment is the most common cause of antibiotic residues in milk.

True

False

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* 7. What percentage of raw milk loads do dairy plants test for antibiotic residues?

100%

75%

50%

10%

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* 8. At this time in the US, the maximum allowable residue level of Cloxacillin is:

10 ppb

150 ppb

100 ppb

5 ppb

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* 9. Milk from cows treated with antibiotics must be discarded during the withdraw period.

True

False