# ISO/TR 8607:1991 — Withdrawn and superseded ISO standards

For ISO/TR 8607:1991, item title is Artificial insemination of animals — Frozen semen of breeding bulls — Enumeration of living aerobic micro-organisms; status code is 9599; successor is ISO 8607:2003; withdrawn / published date is 1991-04-25, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 8607:1991 _(verified: appears in the quote below)_
- **Item title:** Artificial insemination of animals — Frozen semen of breeding bulls — Enumeration of living aerobic micro-organisms _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8607:2003
- **Withdrawn / published date:** 1991-04-25 _(verified: appears in the quote below)_

## What the source says

> 15912,TR,,ISO/TR 8607:1991,Artificial insemination of animals — Frozen semen of breeding bulls — Enumeration of living aerobic micro-organisms,Insémination artificielle des animaux — Semences congelées de taureaux reproducteurs — Dénombrement des micro-organismes aérobies vivants,1991-04-25,1,['65.020.30'],ISO/TC 34,9599,,[33751],"['en','fr']",3,"<p>The method described counts the colonies obtained in a solid medium after aerobic incubation at 37 °C. Specifies normative references, definitions, principle, culture medium and diluent, apparatus and glassware, sampling, preparation of the test sample, procedure, expression of results, repeatability and test report.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).