How to Keep Chickens Cool in the Summer

By BuffOrpington88 · Aug 5, 2016 · Updated Jan 19, 2017 · ·
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  1. BuffOrpington88
    A Guide to Keeping Chickens Cool in the Summer

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    Source

    Summer can be a difficult time for keeping chickens, who come with their own year-round down coat. Prolonged high temperatures can cause stress in chickens, reducing the number of eggs laid, slowing growth, and in extreme cases, death. Many people are very concerned about how to keep their flocks in the winter, but the summer also has many risks and must not be taken lightly. So, the question is often asked: how can I keep my chickens cool in the summer? While it is not an easy task, it is by all means possible. Read on to find out some easy ways to keep your flock nice and cool in the summer heat.

    First things first: How to tell when your chickens are hot

    Telltale signs of a hot chicken are panting and holding their wings away from their body. Panting chickens will have their mouths open and they will be breathing quickly. They do this because much like dogs, they can’t sweat. Chickens will also hold their wings away from their body so that air can circulate to cool them down. If you see any of these signs, you should implement one of the measures listed below.

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    Source Classic signs of an overheated chicken-- wings A chicken panting-- an easy way to tell it is too hot
    held away from body and panting

    Solutions


    Shade

    Shade is the most important way to keep your chickens cool in the summer. The difference between shade and direct sunlight can be up to 15 degrees Fahrenheit, which makes it one of the most significant ways you can keep your chickens cool. This should be a factor when deciding where to place a new coop. This can be provided in many ways:

    - A tree
    - Shrubs or climbing plants (non-toxic)
    - Umbrellas
    - Shade cloth
    - A roof (for the run)
    - A tarp

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    The more permanent methods, such as trees or shrubs, are ideal for stationary coops. Additionally, Chickens will seek out shade if they are free ranging. Simply make sure that there are trees or bushes in the yard where they free range. This serves the dual purpose of providing places for the flock to hide if a predator approaches.

    However, providing shade can be more difficult when dealing with mobile coops. We have a tractor, which we love, but it took a while to figure out a solution for keeping the girls cool. At one point, we were even moving it to follow the shade throughout the day. Obviously, this was unsustainable. We tried shade cloth, but it would fly away in the wind. Finally, we came to the simplest solution: a white tarp secured with bricks. This has worked very well: it is weighty enough to stay in place, it is inexpensive, and it doesn't look terrible. You can see how we've only covered the top half of the run, so the bottom half allows for adequate airflow. This has worked marvelously, and despite having incredibly large and fluffy Buff Orpingtons, they now only pant on the hottest of New England summer days.

    For the Coop


    If you are building a new coop and are concerned by the heat, keep two things in mind: shade and ventilation. Placing the coop next to a building or a tree will help to provide shade. A deciduous tree is a good option because the foliage will provide shade in the summer and the absence of foliage in the winter will let sunlight through for warmth.
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    Why a deciduous tree can be a good way to provide shade for a coop.
    From The Green Guide for Horse Owners and Riders by Heather Cook

    Also consider ventilation, an incredibly important aspect of keeping chickens cool because chickens can easily die in a stuffy, overheated coop. Large amount of passive ventilation is essential if you live in a hot climate. This can be created through windows, vents, and roof gables. While this may seem like a predator concern, if you securely cover all openings with 1/2-1/4 inch hardware cloth, they should be completely secure and less prone to dying from heat stroke. This ventilation will be good for your birds not only because it keeps them cool, but also because more ventilation allows harmful gases such as ammonia to be dissipated, which is beneficial for maintaining a healthy respiratory tract. Here is a fantastic article on ventilation.

    Fans are also a very useful tool to create airflow manually. For smaller coops, box fans can be securely attached to a window. For larger, taller coops, overhead fans can be an incredibly effective and useful addition. However, when running electricity into the coop, keep in mind that practically everything in a coop has the potential to become kindling, so make sure that you buy appliances that are designed for outdoor use, and be sure to check the wiring often to ensure its safety, as rats, mice, and other small animals do have a habit of chewing through electrical cords.

    In addition, it the size of the coop is important. Think of chickens as little heat and moisture- making machines. The average chicken’s body temperature is 107 degrees Fahrenheit, so overcrowding can make the coop significantly warmer. When building coops for extremely cold temperatures, it is often recommended to err on the smaller side so as to conserve heat. That is exactly what you DON'T want when you're concerned about the heat. So, make your coop as large as you can-- not only will your chickens be happier in a large coop and less prone to bullying behaviors, but a larger coop will also be cooler because it will allow the heat to dissipate. If it is necessary to build a coop on the smaller side, focusing on effective ventilation is more important. A final option is insulation. Insulating the roof of the coop will keep the heat in the coop in winter and keep the heat of the sun out in summer.

    So, when building a new coop, locate it next to something that will provide shade, make sure that you have a ton of ventilation (probably more than you think you need) and make sure that you have enough space for all your chickens.

    Another option is to put a fan in the coop. However, it must be a fan that is suitable for outdoor use and most of the time you also need to run an extension cord out to the coop. Also be aware that this can be a fire hazard. A fan can be a very effective way to create airflow.

    When it is very hot out, it is a good idea to clean out the coop and use only a thin layer of bedding, as this will trap heat inside the coop and decomposing bedding and manure will actually create heat. So, if you use the deep litter method, summer is a good time to clean out the coop so it is cool and you have enough time to build it back up again for winter. This will also help stop worms and other organisms from reproducing, as hot, dry temperatures are perfect for them.

    Keep an eye on the temperature inside the nestboxes. These can reach very high temperatures. If it gets too hot, you should block off the nest boxes, especially if you have trapnests. This is especially important if you have a persistently broody hen, as oftentimes they will sit in the sweltering nestboxes without moving to a cooler spot. This is dangerous as they can rapidly overheat and become dehydrated from not getting up. Instead, you can make makeshift nestboxes out of a box filled with bedding or a basket and place them in a location with more airflow.

    For the Run

    Oftentimes, the air outside is still and not cooling off the chickens enough. In this case, a portable fan would be useful. If you'd like, you can place a bowl icewater in front of the fan so the fan is moving cold air. However, I have not found this to be terribly effective, so it is more useful as a band-aid for extremely hot days. Make sure that there is plenty of shade in the run-- either from trees, shade cloth, or a roof.

    Another way you can keep chickens cool is by putting a shallow dish of water for them to stand in. Also make sure they have a space to take dust baths, digging down to the cooler dirt will help them to keep cool.

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    A roof over the run can provide shade

    Try not to interact with your chickens too much on hot days, especially during the heat of the day. It is best for chickens to stay calm and not have too much activity and running around, which will make them even more hot.

    Evaporation

    One of the best way to keep chickens cool when they’re out in the run is by using the power of evaporation. When water evaporates, it takes the heat with it. Keep in mind that methods using evaporation work best in dry climates, as humidity will lessen the effectiveness. There are many ways to use evaporation.

    One of the best ways is by using a mister. Misters are used by commercial poultry farms to regulate the temperature inside buildings, and studies have shown that these reduce the temperature and improve the health of the birds. Luckily enough, this proven way to keep cool can easily be adapted for backyard flocks. You can find a misting line that attaches to a hose or spigot at many home improvement stores that are a fairly reasonable price. However, one hidden cost is that if the mister is left on for extended periods of time, you can waste a lot of water and rack up quite the water bill. So, it is a good idea to turn it on only a few times a day at the hottest times of day for shorter periods of time.

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    Source Some examples of how to use a mister for your flock Source

    If you don’t want to get a misting system, hosing down the substrate in the run can make a big difference as well, the evaporating water will cool things down quickly. Hosing down the roof and sides of the coop can also help, especially with tin roofs.

    Food and Water

    In hot weather, it is absolutely essential that water be available 24/7 for your flock. This is one of the easiest ways chickens thermoregulate. You can add ice to the water to keep it cold, which will encourage chickens to drink more and also be more effective in cooling them. A nipple waterer is ideal for this. In cases of extreme heat, electrolytes can be useful to replace lost electrolytes and also encourage chickens to drink.

    However, do not add Apple Cider Vinegar to the water in extreme temperatures.Apple Cider Vinegar slightly inhibits the absorption of calcium. Usually this is not a problem because chickens will get all the necessary calcium in layer feed and supplemental oyster shells. However, when it is hot, chickens will drink more and eat less, which means that they will not be getting enough calcium to maintain the quality of the egg shells.

    In prolonged periods of extreme heat, some people choose to put their flock on unmedicated grower feed. This is done because since chickens eat less in high temperatures, they also get less protein than usual. However, the higher protein content in the grower feed gives them closer to the same amount of protein as they usually get even though they are eating less. Please note that this is not necessary if there are simply a few hot days in the middle of the summer. This tip should only be used for extreme temperatures for extended periods of time after you have noticed the feed consumption decrease.

    Lots of people choose to feed their chickens frozen treats to help them stay cool. Here are some commonly frozen foods

    - Watermelon
    - Tomatoes
    - Berries (blueberries, rasberries, blackberries, etc.)
    - Bananas
    - Strawberries
    - Melon (Cantaloupe, Honeydew, etc.)

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    Source

    Treats like watermelon are ideal because their high water content helps to keep chickens hydrated. However, this high water content also limits the amount of nutritional value of the food. Make sure that you do not feed too many treats. Keep in mind that chickens are eating less, so you do not want the bulk of their diets to be made up of treats that offer little nutritionally. Treats should still make up no more than 10% of their diet to ensure that they are eating a healthy and balanced diet. Also, avoid is treats like cracked corn and scratch during the summertime because they create a lot of heat as they go through the digestive tract, which is a desired effect for winter, but not summer.

    Make sure to place feeders and waterers in the shade, which will encourage chickens to utilize them more often. If they are placed in the sun or if chickens must walk through a sunny place to get them, oftentimes they will be much less inclined to drink and eat as much as necessary. Placing it in the shade will also help keep the water cold for a longer period of time.

    If chickens are free ranging, it is a good idea to put extra waterers out. The convenience will encourage them to drink more.

    Emergency Care

    Chickens will occasionally have diarrhea on hot days. However, as long as the chicken is acting normally, this should not be a problem. This is because increased water intake makes droppings more watery. Interestingly enough, chickens also lose heat through pooping, which is known as excretory heat transfer. The more you know, huh?

    If chickens are severely overheated and possibly suffering from heat stroke, they will exhibit the following symptoms:

    - Panting
    - Holding their wings away from their body
    - Lethargy
    - Pale comb and wattles
    - Staggering gait
    - Lying down with closed eyes
    - Drinking copious amounts of water
    - No interest in eating

    Keep in mind that these individual symptoms are not necessarily a sign of heat stroke. Chickens that are simply a little warm will pant and hold their wings out. You will be able to tell when one of your chickens is in serious trouble. Get to know your flock so you will be able to tell what is normal for them. Chickens can be overheated without it being life threatening. However, if a chicken is suffering from heat exhaustion, it is very important to get their temperature down to a safe level quickly. Here are a few ways to do that.

    1.) A cool towel
    Simply wrap a chicken in a towel soaked with cool water to take its temperature down.

    2.) A bucket of cool water
    You can keep a bucket of cool water near the coop to dip the chickens in in case of an emergency. However, this water should be cool, not cold, so as to prevent shock.

    3.) Apply an ice pack wrapped in a towel to the bottom of the feet.
    Chickens lose heat through their comb, wattles, legs, and feet. An ice pack will help the bird cool down much quicker. You can use an ice pack, a bag of ice, frozen peas, or anything else you may have. Just be sure to wrap it in a towel so that it is not too cold. Please note that this should be done in conjunction with either of the previous two recommendations, as it will likely not take the bird's temperature down enough on its own.

    You can check for dehydration with this chart from Red Creek Wildlife Center.

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    H Source

    After doing this, electrolytes can help a dehydrated chicken. Electrolytes will encourage a chicken to drink more and also replete electrolytes lost in the heat. You can buy prepackaged electrolytes, or here is a recipe from The Chicken Encyclopedia:

    1 teaspoon baking soda
    1 teaspoon baking salt
    1 tablespoon sugar

    Mix into 1 gallon of water.

    If possible, bring the affected bird into a cooler space such as a garage, basement, or even laundry room. They can be held in a dog cage with food and water with electrolytes until they are feeling better. Then once you have corrected the situation outside with one of the above mentioned ideas, the chicken can return to the flock.

    So, while keeping chickens cool and hydrated can be a challenging task, it is eminently worth it due to the reduction of health risks.

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    Stay cool, everyone!

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Recent User Reviews

  1. Hillbilly Texan
    "Excellent information!"
    5/5, 5 out of 5, reviewed May 25, 2018
    I live in Texas and get frustrated sometimes with all the info out there regarding protecting our flocks from the cold. This is not my problem! Even when purchasing chickens, there's all kinds of info about how cold hardy a particular breed is but you oftentimes really have to research to find out if a particular breed is heat tolerant. When building my new coop, it was difficult to find info on how to build to provide the best protection from the Texas heat.

    With that said, this is excellent information and I've used ALL of it to try to get my girls through the Texas summers. Article is well-written and recommendations are spot-on!

    Thank you!
    BuffOrpington88 likes this.
  2. RnRRidgerunner
    "Very Good article for Keeping chicks Kool!"
    4/5, 4 out of 5, reviewed May 25, 2018
    I did not see a true misting system put up here just the single mister ones. Here is a link to Lowes that has a one similar to the one I bought and mounted on a 10 ft 1 inch piece of PVC that I hang on the lower edge of my elevated chicken tractor. It works great for the girls.
    https://www.homedepot.com/p/Arctic-Cove-3-8-in-x-12-ft-Professional-Misting-Kit-MAC3812K/204768005
    Some folks mount them inside their coop , but I find that too wet for chickens. I may have to mount it and take a picture to post here later.
    IMG_2261.JPG IMG_2262.JPG
    Misting away on the shady side where their water is. Tarp overhead for extra shade. It has really helped in the 100 degree plus summers here in Oklahoma.:thumbsup
    BuffOrpington88 likes this.
  3. LizzNorth
    ""
    5/5, 5 out of 5, reviewed May 24, 2018
    So helpful for a new chicken owner like myself!
    BuffOrpington88 likes this.

Comments

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  1. pacorona
    Down here in Louisiana, the fans are turned on from day one of summer and run almost continuously until October. My Ladies love it, and dig their cooling holes right in front of it. The fan sits just outside the coop blowing into it. It's already been in the 90's here!! When free ranging, they always find a shady spot to 'dig in'!!
      BuffOrpington88 likes this.
  2. Bikerchick99
    Thanks for the advice .Great info as always
      BuffOrpington88 likes this.
  3. Breannamay4
    excellent to know. thank you!
      BuffOrpington88 likes this.
  4. Mel&rick
    Good article. Very informative.
      BuffOrpington88 likes this.
  5. Tarce123
    Great information thank you. I have also heard of freezing water in a 2 liter bottle and setting it out in their coop to cool them off.
      BuffOrpington88 likes this.
  6. SailorNoMore
    I appreciate the information and I bookmarked the article and I will review it each summer.
      BuffOrpington88 likes this.
  7. chickadee2
    A large plastic saucer (from a large planter) works great. The chickens love them as they a shallow. I put one out for each of my 5 chickens and they would all be in use on hot Texas days. No more panting or wings being held out. They are available from the garden stores like Lowes or Home Depot.
      BuffOrpington88 and Tarce123 like this.
  8. John Doty
    Humm. Seems odd, not one mention of using fans. I don’t think my Rhodies would make it through our South Florida summers without their fan running 24/7.
      BuffOrpington88 likes this.
    1. druss1
      Fans were mentioned...even placing a bowl of ice water in front of them for cooler air.
      BuffOrpington88 likes this.
    2. druss1
      (from article) Another option is to put a fan in the coop. However, it must be a fan that is suitable for outdoor use and most of the time you also need to run an extension cord out to the coop. Also be aware that this can be a fire hazard. A fan can be a very effective way to create airflow.

      Oftentimes, the air outside is still and not cooling off the chickens enough. In this case, a portable fan would be useful. Some people choose to put a bowl of icewater in front of the fan so the fan is moving cold air.
    3. BuffOrpington88
      Good catch, I wrote this a while back and can't believe I wrote very little about fans lol. I added another paragraph about them-- thank you!
  9. ZeeAviatrix
    Terrific article! I live in Northern Alabama and it has started getting quite warm. I've got two Wyandottes and one of them seems to be more sensitive to the heat than the other. She's pretty smart, though. She finds herself a nice shady spot and digs into the dirt a bit to find a cooler spot and the next thing you know she's no longer panting and walks off cool as a cucumber. Love the picture at the end of the article, lol!
      BuffOrpington88 likes this.
  10. FRM
    How do you check skin turgor on a chicken? Where is the best location to find skin?
  11. Coral Cluck
    My chickens think water is the devil they run screaming from the hose. if i gave them a tub they would ask why they were being punished. I squirt em with the hose if they get in the garden they RUN AWAY.
      BuffOrpington88 likes this.
  12. Sallyintucson
    You forgot a cheap way to keep chickens cool - buy a large rubber dish (unlike plastic, rubber dishes last forever) and refill it daily. The hens will stand in it to cool off and drink from. I live in Southern Arizona so heat is a part of life. A friend (in Missouri) used this trick to keep her laying farm going during a heat wave but used kiddie pools instead. All the other laying farms in the area stopped laying but her girls were fine.
  13. flashover1969
    Great article!
    I just have a comment about the electrolyte recipe....baking soda and sodium bicarbonate NaHCO3 are the same thing. So as that recipe is written, you will add too much.
    The recipe should be:
    1 gallon of water H2O Dihydrogen monoxide:)
    1 teaspoon of salt (NaCl)
    1 teaspoon of baking soda (sodium bicarbonate) NaHCO3
    1 tablespoon of sugar- though this ingredient is probably not necessary
    Only use this if it’s absolutely necessary...too much sodium is bad for us and chickens.
      BuffOrpington88 and TheErinBraun like this.
    1. TheErinBraun
      Thank you! I noticed this discrepancy as well! I appreciate the correction!
      BuffOrpington88 likes this.
    2. BuffOrpington88
      Ooh, good catch guys, thanks so much! Science isn't my strong suit haha!
  14. Attila the Hen
    Great article!
      BuffOrpington88 likes this.
  15. Fluffers
  16. chicken4prez
    So helpful!
  17. Mountain Peeps
    Wonderful article!

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