grazing meat goats

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Hi I'm Leslie

I'm a full-time farmer in Western Wisconsin where I raise meat goats and sheep on pasture using regenerative and rotational grazing practices.

I created this website because
I had so many people reaching out, both locally and beyond, wanting to know more about how I was raising and marketing goats.

I also recognized that it IS so hard to find information in this space. I wanted to share what I've learned along the way and reduce your time searching the depths of the internet.


How long are goats pregnant [ gestation calculator]

Understanding the goat gestation period is important for successful and healthy pregnancies. This article will cover how long goats are pregnant, the stages of gestation, care, and record keeping. 

Bonus, there’s also an easy goat gestation calculator included! Jump to the calculator

What is the goat gestation period?

The goat gestation period is a segment of time from conception to birth, also known as pregnancy. 

How long is the pregnancy of a goat? 

The typical length of pregnancy of a goat, or gestation period, is 145 to 150 days from the date the female goat was exposed to (or bred by) the buck. 

Goat gestation also calculates out to roughly 5 months of pregnancy or 21 weeks of pregnancy.

Factors impacting the gestational period

There are a number of factors that may impact the actual delivery date of your goat:

  • Breed size. Smaller goat breeds tend to have slightly shorter gestation, roughly five days shorter. 
  • Estrus cycle. Does have an estrus cycle of 21 days. Even if a buck is put in with your goats, it’s possible the pregnancy due dates may be delayed pending at what point your does are cycling and when they come into heat. 
  • First-time mother goat. Sometimes a first-time pregnant goat may be bred later or in a second heat cycle, resulting in what seems to be longer gestation times.
  • Proper nutrition. Making sure the pregnant doe has the proper nutrition through the entire pregnancy, especially the last month is important (more information is the stages of goat pregnancy section)

Goat Gestation Calculator

Use this goat gestation calculator to easily calculate the due date of your pregnant goats. If you have a smaller goat breed, your doe may be due up to five days earlier. 

Note this goat gestation calculator serves as an estimate for your goat’s due date. 

Stages of goat pregnancy

Goat pregnancy or the gestational period is split into trimesters. The chart below will outline the trimesters by timeframe, as well as the doe’s diet, health, and proper care.

TrimesterTime FrameNutritional NeedsManagement
First Trimester1-50 daysSlightly above maintenance; diet stability is especially important after conception
Second Trimester51-100 daysSame as first trimester
Third Trimester101-150 daysAt 3-4 weeks before kidding, or one month before the due dates, increase the quality of the feed to prevent pregnancy toxemia and encourage normal kid development. Avoid over feeding, which can also lead to pregnancy toxemia. At 3-4 weeks/1 month before the due date:
– trim hooves, if needed
– give CDT, if administering
– give BoSe, if advised by a vet for selenium and vitamin E deficiencies

Other tips for throughout the stages of pregnancy

  • Keep pregnant does with other goats they’ve been grouped with to avoid any unneeded stress throughout the pregnancy. This will help reduce the potential for abortion.
  • Observe does daily for any health concerns 

Pregnancy record keeping

Keep detailed records for each goat’s pregnancy, including the date exposed and actual birth date to calculate the gestation length, as well as additional records about the health during the pregnancy. This way you’ll have a better idea of when and how to monitor future pregnancies with each goat.

Preparing for goat kidding

To get prepared for goat kidding, you can learn more with my articles on kidding pens and newborn goat care.


  • Nutrient requirements of small ruminants (2007). National Research Council for the National Academies.

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Legal disclaimer: All information provided is based on personal experience and is provided for educational and information use only. You agree to indemnify and hold harmless our website, company and owner for any direct or indirect loss or conduct incurred as a result of your use of our website and any related communications. This applies to, but is not limited to, business operational information and consulting, as well as farm and goat management practices.Any animal health information provided on this website is based on personal experience or information provided by others whose treatments and practices have been discussed with a veterinarian. In all situations, it is the responsibility of the livestock owner to consult with a veterinarian before using any animal health practices shared on this website or by this company and its owner. See the full legal disclaimer here.