---
title: Previous Lactations Tab
slug: help/en-us/dairycomp/cowcard-prevlact
docTags: 
createdAt: 2026-01-26T11:43:19.622Z
---

If the animal has one or more lactations on record, the **PrevLacts** tab displays a record of the animal's previous lactations and some of the key measurements from each lactation.

::Image[]{src="https://api.archbee.com/api/optimize/3h8pSJcGUXEi4HGCCYPTA/BDhjbChVXtz7RSu8GG0gd_prev-lacts-page.png" size="32" width="1412" height="506" position="flex-start" darkWidth="1412" darkHeight="506" showCaption="false"}

Each previous lactation row displays the following:

- <font color="#67854E">**L#**</font>: Lactation number
- <font color="#67854E">**AGE\:**</font> The animal's age at the time of freshening
- <font color="#67854E">**FDAT**</font>: The fresh date
- <font color="#67854E">**CDAT**</font>: The conception date
- <font color="#67854E">**DDAT**</font>: The dry date
- <font color="#67854E">**TOTM**</font>: Total milk
- <font color="#67854E">**TOTF**</font>: Total fat
- <font color="#67854E">**TOTP**</font>: Total protein
- <font color="#67854E">**305ME**</font>: The final 305 day milk
- <font color="#67854E">**RELV**</font>: The final relative value
- <font color="#67854E">**DOPN**</font>: Days open
- <font color="#67854E">**DIM**</font>: The final days in milk
- <font color="#67854E">**DDRY**</font>: Days dry
- <font color="#67854E">**SIRC**</font>: Sire of the calves born
- <font color="#67854E">**CALF1**</font>: First calf's sex and ID. If stillborn, the value is `DOA`.
- <font color="#67854E">**CALF2**</font>: Second calf's sex and ID (if twins)
- <font color="#67854E">**CALF3**</font>: Third calf's sex and ID (if triplets)