DL-Methionine | Agricultural Marketing Service

Scope

Livestock

Status

Complete

NOSB Review Documents

1993 NOSB review for addition to §205.603 (amino acids)
July 1993 NOSB Recommendation (pdf) (page 125) (amino acids)
1999 NOSB review for addition to §205.603 (amino acids)
October 1999 NOSB Recommendation (pdf) (page 443): none, put on hold by NOSB (amino acids)
2001 Technical Advisory Panel (pdf)
October 2001 NOSB Recommendation (pdf) (page 2)
January 2005 Petition (pdf) requesting continued listing on §205.603 as a livestock feed additive
March 2005 NOSB Subcommittee Proposal and NOSB Recommendation (pdf)
December 2007 Petition (pdf) requesting §205.603 annotation removal
May 2008 NOSB Subcommittee Proposal (1 of 2): available upon request
May 2008 NOSB Subcommittee Proposal (2 of 2 and Minority Opinion): available upon request
May 2008 NOSB Recommendation (pdf)
July 2009 Petition (pdf) requesting §205.603 annotation change
April 2010 NOSB Subcommittee Proposal and NOSB Recommendation (pdf): 1 of 3
April 2010 NOSB Subcommittee Proposal and NOSB Recommendation (pdf): 2 of 3
April 2010 NOSB Subcommittee Proposal and NOSB Recommendation (pdf): 3 of 3
April 2011 Petition (pdf) requesting §205.603 annotation change
2011 Technical Report (pdf)
October 2013 NOSB Subcommittee Proposal (pdf)
October 2013 NOSB Recommendation: none, meeting canceled
May 2014 NOSB Subcommittee Proposal (pdf)
May 2014 NOSB Recommendation: none, sent back to Subcommittee
April 2015 NOSB Subcommittee Proposal (pdf)
April 2015 NOSB Recommendation (pdf)

Rulemaking

Not recommended for rulemaking by NOSB (1993, 1999) (amino acids)
Added to the National List, §205.603(d), effective November 03, 2003 (68 FR 61987)
Annotation change, effective October 22, 2005 (70 FR 61217)
Annotation change, effective September 19, 2008 (73 FR 54057)
Annotation change Interim Rule, effective October 01, 2010 (75 FR 51919). Adopted as final, effective March 15, 2011 (76 FR 13501)
Annotation change, effective October 02, 2012 (77 FR 57985)
Annotation change, effective January 28, 2019 (83 FR 66559)

Related Terms

2-amino-4-methylthiobutyric acid; Acimethin; Amino acid; D-2-amino-4-(methylthio)butyric acid; D-methionine; DL-2-amino-4-(methylthio)butyric acid; Dl-methionine-hydroxy analog; Dl-methionine-hydroxy analog calcium; L-2-amino-4-(methylthio)butyric acid; MET; Methionine; Methionine hydroxy analog; Ml-methionine hydroxy analog; Racemethionine; (S)-2-amino-4-(methylthio)butanoic acid.

Date Updated

03/12/2024