Storage and Defrosting of Bovine Colostrum

Thank you for taking the time to participate in this survey. This questionnaire will be used to gather information on the current practices used to test, store and defrost bovine colostrum. The survey should take less than 2 minutes and all answers will be kept confidential and anonymous. SSRERB approval URN: SR2018-1692.

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* 1. Do you regularly collect and freeze excess colostrum during calving?

Yes

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* 2. If yes, how long is it before the colostrum is frozen?

Less than 1 hour

1 - 2 hours

2 - 3 hours

3 - 4 hours

4 - 5 hours

5 - 6 hours

More than 6 hours

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* 3. What type and size of container is used to freeze the colostrum?

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* 4. How long is frozen colostrum usually kept before defrosting for use?

Less than 2 weeks

2 - 4 weeks

4 - 6 weeks

6 - 8 weeks

8 - 10 weeks

10 - 12 weeks

12 - 14 weeks

14 - 16 weeks

16+ weeks

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* 5. What method do you use to defrost the colostrum?

Microwave

Leave in hot water

Leave at room temperature

Other

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* 6. If you've specified 'other' in Q5 please give a short description of the method used.

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* 7. Do you ever re-freeze unused colostrum once defrosted?

Yes

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* 8. How do you determine the quality of colostrum?

Refractometer

Colostrometer

Visual inspection

Do not test