Foal Gestation Calculator / Mare Care Calendar
Mark your Day-Planner as Easy as 1, 2, 3.      Fill in lines 1. and 2., Calculate on line 3.

1. Enter the last date the mare was bred:    
2. Enter estimated gestation period in days:  
  Normally calculated at 340 days/48-49 wks.
(Pregnancy most often results in live foals between 320-370 days)
days 

 
  
 Week 2 (2 weeks to 18 days) 
      - First Ultrasound or palpation to detect pregnancy
        (14 days is the earliest pregnancy can be detected) 		   / /
 Week 4 ~ 1st Month 
      - Second ultrasound or palpation to detect heart beat.
        (24 days is the earliest a heartbeat can be detected). 		  /  /
 Week 12 ~ 3rd Month 
     - Give all vaccinations/ innoculations recommended for your area
     - Worm the Mare		   /  /
 Week 20 ~ 5th Month 
      - First Pneumabort-K+1b shot (aka: Rhinopneumonitis - killed) 		  /  /
 Week 28 ~ 7th Month 
      - Second Pneumabort-K+1b shot 		  /  /
 Week 36 ~ 9th Month 
      - Third Pneumabort-K+1b shot		   /  /
 Week 44 ~ 11th Month 
      - Give all vaccinations/ innoculations recommended for your area
         so mare produces antibodies in colostrum. 
    - Worm the Mare 
    - Begin watching for waxing and other signs of early foaling.		   / /
 Due Date   / /
 

Disclaimer: It is the mare owner's responsibility to consult their veterinarian in regards to broodmare health care. This is a guideline for a personal use Calendar only.

Email: sboot@aol.com
Feel free to call us anytime! Elderstatesman and Barbara Hartwig 903-453-5239