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Nortestosterone interpretation in breeding animals

This questionnaire is proposed to share our strategies to interpret and to report the results between member states regarding the nortestosterone (NT) occurrence in liver and urine of breeding animals. Could you please take time (around 5 min) to fulfill this questionnaire in order to better characterize the global EU situation ? With our best regards,
For the French NRL, Emmanuelle Bichon

mandatory answer

Question 1

Where are your from ?

mandatory answer

Question 2

Do you implement NT analysis in urine in your national monitoring plans?

uncheck

If your answer is "YES" at the last question (you implement NT analysis in urine):

Question 3

Could you please indicate the CCalpha of NT (17-alpha and 17-beta forms) of your method in this table and also, when you report concentrations, what are the concentrations found in the different samples of interest, over the last ten years if it is possible.

CCalpha value (ng/mL)Has NT ever been found in samples over the last ten years ovine (ng/mL range)porcine (ng/mL range)
17alpha-NT
17beta-NT

Comments

Question 4

Do you implement 17beta-NT analysis in poultry liver in your national monitoring plans?

uncheck

If your answer is "YES" at the last question (If you implement 17beta-NT analysis in poultry liver):

Question 5

Could you please indicate the CCalpha of NT (17-beta form) of your method in this table and also, when you report concentrations, what are the concentrations found in the different samples of interest, over the last ten years if it is possible.

CCalpha value (ng/mL)Has NT ever been found in samples over the last ten years poultry liver (ng/g range)-
17beta-NT

Comments

Question 6

Could you indicate how you report the NT results to the authorities, when they exist ?

Comments

Question 7

Could you report here how your authorities report these NT results to the European Commission, if they exist ?

uncheck

Comments

Question 8

Are you interested in establishing a suspicion threshold:

Comments

Thank you very much for your contribution. A synthesis of these results will be available in the beginning of 2021.




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