---
title: COLOSTRUM Event (MyDC only)
slug: pl-check-links/colostrum-event-mydc-only
docTags: 
createdAt: 2026-02-23T07:45:12.728Z
---

The COLOSTRUM event is a MyDC-only event that captures when newborn calves receive colostrum Colostrum, the first milk produced by a cow after birth, is high in nutrients and antibodies that provide calves initial protection against disease. or replacer Colostrum replacer is a natural or synthetic product that provides nutrients and antibodies to calves when maternal colostrum is unavailable or of poor quality. It's often used when calves don't nurse from their mother within a few hours of birth.. Colostrum, the first milk produced by a cow after birth, is high in nutrients and antibodies that provide calves initial protection against disease. Calves need about 2 quarts (2 liters) of colostrum Colostrum, the first milk produced by a cow after birth, is high in nutrients and antibodies that provide calves initial protection against disease. within 4 hours of birth and 1 gallon (4 liters) within 12 hours.

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## Event Guidelines

Use the mobile app or the web version of PULSE to enter events! Tap Events in the [mobile app](docId\:LrbWjLC6pBiEQt-JRs1XB) to get started, or see [Add Events](docId\:e-WCEtRy4dtmIOd-iy-k4) to learn more about adding events from web. PULSE supports adding events that have occurred within the last year.

Note the guidelines below when working with the COLOSTRUM event: 

- This event can only be added for Lactation 0 animals.
- The system warns you if you attempt to add the event to calves older than 2 days.
- All fields are optional.
- If replacer Colostrum replacer is a natural or synthetic product that provides nutrients and antibodies to calves when maternal colostrum is unavailable or of poor quality. It's often used when calves don't nurse from their mother within a few hours of birth. is used, the system does not prompt for the source of the colostrum Colostrum, the first milk produced by a cow after birth, is high in nutrients and antibodies that provide calves initial protection against disease..

Expand the topic below to learn more about DNB event details:

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### Brix value

Brix value is based on a system that uses a refractometer to measure colostral antibodies. PULSE accepts values between 14 and 40. Colostrum with a Brix value above 22 is considered optimal. When the Brix value is below 22, dairies may choose to supplement with colostrum Colostrum, the first milk produced by a cow after birth, is high in nutrients and antibodies that provide calves initial protection against disease.replacer Colostrum replacer is a natural or synthetic product that provides nutrients and antibodies to calves when maternal colostrum is unavailable or of poor quality. It's often used when calves don't nurse from their mother within a few hours of birth..
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## Process Changes

When you add events from web or the mobile app, your updates are sent to PULSE (WiFi or data connection required).

When the updates are received, PULSE records anPINKEYE event and sets the EDAY to the date the event was completed or diagnosed.
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