2 to 3-Week Old Baby Chickens

Your 2 to 3-week old baby chickens grow quickly and change each day. To continue giving them a strong start, keep the brooder clean and warm, offer complete starter-grower feed and fresh water. Listen to the chickens to ensure their happiness; content chickens will roam freely around the brooder and emit a soft cheeping sound.

Congratulations on your baby chick success! You’ve given your chickens a strong start and now it’s time to keep the growing going through weeks 2 and 3.

You’re probably noticing your growing chickens are very social and can provide hours of entertainment. Each day, you will get to know their unique quirks and personalities. Healthy, happy chickens will move around the brooder freely and emit soft, cheeping sounds.

Continue providing a clean brooder, Purina® complete starter-grower feed and clean water. Your chickens should be ready for the chicken coop around week 6 and will likely lay their first eggs around week 18.

Here is a checklist for keeping 2-week-old chickens and 3-week-old chickens strong and healthy:
Caring for baby chickens

Provide light to chickens:
After the first week, reduce the number of light hours to 10-12 hours per day. Use one 25-watt bulb for each 100 square feet (10’ x 10’) of floor space.

Adjust temperature for baby chickens:
The biggest change you’ll need to make this week is temperature. Older chickens do not need it to be quite as warm. During week one, the temperature should be 95°F. Starting at week two, lower the temperature by 5° each week until you reach a minimum of 70°F at week six. If using a radiant heater, adjust the heater height to account for the growth of the birds.

Remove brooder guard:
Chickens should be able to find the heat source by day ten. At that time, you can remove the inside brooder guard if you have one.

Keep the chick brooder clean:
Remove any foreign material in the chick feeders and waters daily. Wash the waterers once a week with soap and water. Keep bedding dry (we recommend pine shavings) by removing wet and soiled litter each day and replacing it with clean, dry bedding.

Listen to your chickens:
When everything is right, chickens will emit a soft cheeping. A chick that is stressed will have a shrill, higher pitched or very rapid cheep. Translate this as a call for help and look for the problem. Stress could be caused by chickens being too hot or cold, wet litter or they may be hungry.

Move chick feeders and waterers:
After the brooder guard is taken out, move the feeders and waterers farther from the heat source. This will give chickens more space for exploring as they become more active. It can also help keep the feeders and waterers cleaner and from being heated by the heat lamp. Raise the chick feeders and waterers until they are at back height of the growing birds.
Remove training feeders:
If you haven’t done so by now, remove the training feeders. Make sure chickens always have complete Purina® starter-grower feed and water. The level of feed in the feeders can be decreased a little each week until they remain at least half full. This will help reduce the amount of feed waste.

Continue to feed the same starter-grower feed you feed in week 1.
Chickens should be fed the same chick starter-grower feed until week 18, when you will transition to a Purina® complete layer feed.

  • For chickens vaccinated for coccidiosis: Purina Start & Grown
  • For chickens not vaccinated for coccidiosis (or unsure of vaccination status): Purina® Start & Grow® Medicated
  • For organic chickens: Purina® Organic starter-grower
  • For ducklings: Purina® Duck Feed or Purina® Flock Raiser®
  • For mixed flocks: Purina® Flock Raiser®
  • For broiler chickens: Purina® Meat Bird
    These starter-grower feeds are formulated to provide all 38 unique nutrients your baby chickens need to start strong and stay strong – no need to supplement. Wait until week 18 to introduce any treats to the diet.With these tips, your chickens should have everything they need to continue growing Flock Strong®.

Courtesy of:
Patrick Biggs, Ph.D.
Nutritionist, Companion Animal Technical Solutions

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