Glossary: Days open

Term:

Days open

Abbreviation:
-none-

Definition:
is the interval between calving and the last insemination date. It is similar to calving interval provided the cow conceives to the last insemination, in which case days open is calving interval minus the gestation length.

Reference:
ICAR Guideline

Guidelines for Health Traits in Bovine

(entry: 107)