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Foal Development - Caring for Foals

Learn about foal development, weaning foals, foal foot care, especially your first foal, and know these important tips about caring for foals.

The most important safety tip concerning your foal is selecting the safest leather halter for their well being.

See how the foal to yearling halter can safely grow with your foal here. 

Your Newborn Foals Are Growing Up

This is another very important period in the life of the youngster and a time when you and the foal can bond and become companions to one another.

Foal development, and caring for foals includes selecting the right halter for your foal.Champion Bai and Bai, Stakes winner of three quarter of a million dollars, bred and raised by Mares' Nest


We, at Mares’ Nest begin worming our foals at about six weeks of age and continue the process every six weeks through the yearling year.


The foal should be accustomed to having its feet handled very early in its life and will be ready to have your Farrier gently rasp its hooves at about six weeks of age.

As an ongoing part of foal development, we recommend a six-week trimming routine to coincide with the worming program. It simplifies trying to keep track of the duties. You may find it necessary to begin the process earlier if the foal is in need of corrective trimming.

Halters That Grow During Foal Development

 It’s very important that your foal has a properly fitted halter. Begin with a lightweight halter for your newborn foal. 

By the time the foal is about two months of age, it will be ready to graduate into the innovative "Foal to Yearling Halter".


We administer a three-way vaccine at four months of age during this critical stage of foal development. This protects the foal against Tetanus and Eastern and Western Encephalomyelitis. 

At five months the foal gets a five-way vaccine. This boosts the three-way vaccine and adds influenza (Flu-Vac) and “Rhino” vaccines. Also, at five months, the foal receives its first dose of West Nile Vaccine. The second dose of West Nile is given at six months of age. 

Always confer with your Veterinarian regarding additional required vaccines. Different locations have different needs, Rabies, etc

Horse trailer training your foals

Training your foals to enter a mock trailer is not difficult. Read more about horse trailer training your foal here.

Double stitched safe halter for most any foal.

We recommend the "Foal to Yearling” halter. Unlike other halters, this patented halter will be the only halter needed until the foal is well into the yearling year


This is the most traumatic time of a foal’s life.The imprinting you did and the bonding you have done with your foal will become of major importance at this time.

At Mares’ Nest, we wean at five months of age. However, this date is flexible, depending on the mare and the foal. If the mare has lost weight, we wean earlier. If the foal is not too robust we may leave it with the mare longer. Common sense and your Vets’ recommendation should be used.

Into The Yearling Stage
Foal Development Into Teenagers

The yearling year is basically just a continuation of the weanling stage. Additional handling and keeping close track of your worming and vaccine program should insure that you have a happy, healthy yearling. 

More Information On Caring For Foals

Read about foal development here.

Information on imprinting your foals.

How to wean your foal successfully.

You may need to read about dummy foals here.

Every horse eventually needs to be trailer trained. 

You are invited to visit the home page for Foal To Yearling Halters here.