Sophie Bennett
Chicken manure is known to have an unpleasant odour, which can be a cause of concern for farmers and chicken owners. The smell is caused by a combination of compounds, including ammonia, volatile fatty acids, mercaptans, esters, carbonyls, aldehydes, alcohols, and amines. This odour can be mitigated by keeping the chicken coop dry, well-ventilated, and using appropriate bedding materials such as straw, wood chips, or sand. Proper composting techniques, including the addition of carbonaceous materials, can also help reduce the smell of chicken manure. Additionally, feeding chickens with specific plant extracts and essential oils, such as saponins and phytogens, can reduce ammonia production and improve nutrient absorption, thereby minimising odours.
Characteristics of keeping chicken manure smell low
| Characteristics | Values |
|---|---|
| Ventilation | Good ventilation helps to dry out litter and prevents odours |
| Coop bedding | Use dry, organic material such as wood chips, straw, dry brown autumn leaves, sawdust, or coffee chaff |
| Coop location | Ensure the chicken coop is on high ground and not in a low, wet area |
| Roof | The roof should be solid and watertight to prevent rainwater from reaching the bedding |
| Water dispenser | Use a nipple waterer to reduce splashing and trough fouling |
| Ammonia | Keep ammonia levels low by maintaining a dry coop and using feeds with plant extracts and essential oils such as saponins |
| Composting | Partner with a town or city to provide space and equipment for composting chicken manure, which can then be sold |
| Absorbent materials | Use absorbent carbon materials such as straw, spoiled hay, spoiled food, wood chips, or sawdust to neutralise chicken waste |
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What You'll Learn
Keep the chicken coop dry
Keeping your chicken coop dry is essential for maintaining a clean and hygienic environment for your chickens and protecting them from potential health risks. Here are some tips to keep the chicken coop dry:
Choose the Right Bedding and Nesting Materials
Select bedding and nesting materials that are absorbent to effectively soak up chicken manure and moisture. Examples include wood chips, pine shavings, straw, hay, and sand. These materials are inexpensive, readily available, and effective at absorbing moisture. When using wood chips, opt for larger chips instead of fine sawdust as they last longer and provide better drainage. Aim for a layer approximately 2-3 inches thick across the entire coop area.
Implement Proper Drainage
Ensure your chicken coop area has good drainage to prevent standing water, which can lead to muddy messes, odours, and health issues for your chickens. Identify any grading issues and regrade the soil if necessary to encourage proper drainage. Consider using gravel or small pebbles to improve drainage and create a dry surface for your chickens.
Maintain a Dry Environment
Keep the chicken coop well-ventilated to reduce humidity and prevent moisture buildup. Use a box fan in the window during hot or humid months to increase airflow. Ensure your roof is watertight and has enough overhang to protect the coop from rainwater. Regularly clean and replace bedding materials, especially if they become damp, to maintain a dry environment.
Manage Water Sources
Check your watering system and ensure it is not leaking, as this can be a source of additional moisture. Adjust the height of trough waterers so that the edge of the lip is at the level of your bird's back to reduce splashing. Consider using a nipple waterer to minimize leaks and keep bedding drier.
Let Chickens Out to Roam
Allow your chickens to roam outside during the day so they can defecate in the yard, reducing the amount of manure in the coop. This helps keep the coop cleaner and drier.
By implementing these measures, you can effectively keep your chicken coop dry, contributing to the health and well-being of your flock.
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Ventilate the coop
Ventilation is an important factor in keeping chicken coop odours to a minimum. Ammonia, a natural byproduct of chicken manure, is the most likely cause of a strong chicken coop smell. Ammonia is dangerous to both chickens and humans, even at low concentrations, so it is important to keep the levels of ammonia in the coop as low as possible.
The amount of moisture in the coop is directly related to the amount of ammonia in the air. The wetter the bedding, the higher the ammonia levels. Therefore, it is important to keep the coop well-ventilated to reduce the amount of moisture in the air. If the coop gets damp, a box fan can be added to the window to improve air circulation. This will help to prevent the build-up of ammonia in the coop.
It is also important to ensure that the coop is not in a low-lying area, where it is more likely to become damp. Groundwater should flow around the coop, not through it. The coop should also have a solid roof, and any leaks should be repaired immediately.
In addition to ventilation, there are other measures that can be taken to reduce moisture and, therefore, ammonia levels in the coop. These include using nipple waterers instead of trough waterers to reduce splashing, and keeping the coop bedding dry by replacing it regularly.
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Use wood chips and other dry organic materials
Wood chips are a great way to keep chicken manure smell low. They are highly absorbent and can help to neutralise the odour of chicken waste. Chicken tractors, which spread the manure, can be used in conjunction with deep wood chip mulch.
To implement this method, you will need a regular source of wood chips. Contact local tree-trimming companies and ask if they can provide you with wood chips. You will also need a means of mixing the chicken manure with the wood chips, such as a front-end loader. Once the chips and manure are mixed, they need to be left to compost. After about six months, the composted mixture can be spread using a manure spreader.
In addition to wood chips, other dry organic materials can be used to reduce chicken manure odours. These include straw, spoiled hay, sawdust, and dry brown autumn leaves. These materials can be mixed with chicken manure to create compost, but they must be used in much larger volumes than the manure. The mixture should be kept damp and turned at intervals.
It is important to keep the chicken coop bedding dry, as moisture contributes to the release of ammonia, which has a strong and foul odour. A watertight roof and adequate roof overhang can help to keep bedding dry by preventing rainwater from reaching it. Proper ventilation is also key to reducing odours and preventing the buildup of ammonia.
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Clean the coop regularly
Keeping the chicken coop clean is essential for reducing unpleasant odours. The most common cause of a smelly coop is ammonia, a natural byproduct of chicken manure. Ammonia is dangerous to both chickens and humans, even at low concentrations, so it is important to keep the coop clean.
The first step to keeping the coop clean is to ensure that it is dry. Moisture in the coop bedding directly contributes to the amount of ammonia in the air. Therefore, it is important to address any sources of moisture in the coop. Check that the coop's roof is watertight and has enough overhang to prevent rainwater from entering the windows. Also, ensure that the watering system is not leaking, as this can be a significant source of additional moisture. For trough waterers, set the height correctly to reduce splashing and trough fouling. Nipple waterers are a better option, as they result in dryer bedding, cleaner water, and healthier birds.
In addition to keeping the coop dry, regular cleaning and maintenance are crucial. Every few days, check for and replace damp bedding. If using the deep litter method, clean out the upper layers several times a year, retaining the lower layer, which contains helpful microbes that break down bedding and waste. You can also turn the litter if your chickens do not do so themselves. Additionally, consider installing poop boards in the coop and scooping them out every morning.
To further reduce odours, use absorbent materials such as wood chips, shavings, or straw on the coop floor. These materials will help to dry up any chicken waste and leftover food. You can also add high-carbon materials like kiln-dried wood shavings, ground dolomitic limestone, or products containing zeolite to the litter. These materials will help to neutralise the odours and keep the coop smelling fresh.
Finally, good ventilation is essential for keeping the coop clean and odour-free. Ensure that the coop is not airtight and has sufficient ventilation to allow for proper air circulation. This will help dry out the litter and prevent the buildup of ammonia and other unpleasant smells.
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Add plant extracts and essential oils to chicken feed
Chicken manure is notorious for its pungent smell, which is caused by ammonia, a natural byproduct of poultry manure. To keep the chicken manure smell low, it is important to manage the litter effectively, ensure proper ventilation, and use the right bedding materials.
One way to manage chicken manure smell is to add plant extracts and essential oils to chicken feed. Here are some ways to do this:
Phytogens and Saponins
Yucca, a phytogen and saponin, can be added to chicken feed to reduce ammonia production in a chicken's body. This, in turn, increases the bird's nutrient absorption and reduces the amount of protein excreted, resulting in less smelly manure.
Thyme Essential Oil
A 2014 study found that adding 0.5g of thyme essential oil per kg of feed significantly boosted immunoglobulin A (IgA) in poultry. IgA is an important molecule that helps ward off sickness and reduces the effects of exposure to pathogens.
Eucalyptus and Lemon Essential Oils
A 2013 controlled study showed that a combination of eucalyptus, thyme, and lemon essential oils administered in drinking water at a rate of 0.05% significantly reduced Salmonella contamination in the birds' crops, resulting in less cross-contamination during slaughter and butchering.
Other Essential Oils
There are at least 20 essential oils currently used in chicken (poultry) production that are considered safe. These oils are used for various purposes, including improving growth rates, feed conversion, immunity, and health, as well as cleaning.
It is important to note that essential oils should be highly diluted with carrier oils or organic solvents before use, as they are highly concentrated. They should never be applied full strength to humans or livestock.
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Frequently asked questions
Keeping the chicken coop dry is the best way to keep chicken manure smell low. This is because ammonia, which is a natural byproduct of chicken manure, is released into the air when the bedding is wet. To keep the bedding dry, ensure your coop has a watertight roof and good ventilation. You can also use a nipple waterer to reduce splashing and keep the bedding dry.
You should use dry, organic bedding such as wood chips, shavings, straw, or sand. These materials absorb moisture and keep the coop dry.
You should replace damp bedding every few days. If you use the deep litter method, clean out the upper layers several times a year, keeping the lower layer, which contains helpful microbes that break down bedding and waste.
