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how to process and compost chicken manure into poultry manure organic fertilizer ?

Time:2019年07月11日      Hits:

Chicken manure contains high nitrogen, a good amount of potassium and phosphorus and balanced nutrients, which makes it have the highest nutrient among all livestock and poultry dung. 

However, if not composted properly, chicken poop is also dangerous to crops and plants because it could damage roots and possibly kill the plants. Without proper chicken manure management, the manure stinks, attracts rodents and flies, and the ammonia is not healthy for your chickens to breath. 

What’s worse, chicken manure with excess nutrients run off the land or leach into ground water, affecting the quality of local surface and groundwater. To obtain maximum economic value, social benefits and ecological effect, poultry dung should be processed and composted into organic fertilizer without pollution.

Fortunately, as a good source of organic material for composting, fowl dung processed to fertilizer through chicken manure compost and granulation can help to solve the problems of flies, maggots, odor and other pollution.

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The feed intake of chicken is relatively high but due to its poor digestive ability, feed can only stay for short time in its digestive tract, so the output of chicken manure is very high. Statistically, each adult chicken may produce 130g-180g per day, meaning 55kg-60kg per year, thus it can be seen that a poultry farm with ten thousand chicken can produce about 1500kg fresh manure per day. According to the relevant investigation, the planet was home to over 21 billion living chickens up to 2014, thereinto China ruled the global roost with the largest total number of chickens almost 4,540 million, followed by the USA (1,983 million). The large quantities of chicken manure are very valuable by-product with a potential gross value of more than $60 million.
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During the feeding process, chicken cannot digest and absorb the feed completely, which leads to about 40% – 70% nutrients expelled from body, therefore, fowl manure is the best type manure among poultry dung and livestock manure to use as fertilizer.

Compared with horse, cow or steer manure, organic fertilizer made from chicken dung can provide more Nitrogen, Phosphorus and Potassium to soil and plants. According to the testing of relevant department, fresh chicken manure contains about 70% water content, 25.5% organic matter, 1.63% nitrogen, 1.54% phosphorus and 0.85% calcium, which makes chicken dung suitable to be used as raw materials of organic fertilizer production. Moreover, with high nitrogen content and relatively lower carbon content, it is necessary to add rice husk or straw to increase C/N ratio and reduce moisture when making chicken manure fertilizer. Meanwhile, people should also add humic acid to fix ammonia-nitrogen as ammonium humate, reducing nutrient loss and enhancing fertility and soil improvement during the process of fermentation.


Taking making 1 ton organic fertilizer for instance, Sunco Machinery will introduce a method about how to process chicken manure into organic fertilizer:

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Mixing 800-900kg fresh chicken dung with 50-100kg rice hull and 50kg humic acid uniformly, then adding 5-10kg rice bran (or wheat bran, corn meal and so on) for mixing, evenly spreading on fermentation raw materials, and then stirring equably for pile composting. If you have large amount of materials waiting to mixing, it is better to use professional equipment – horizontal type organic fertilizer blender for fast and even mixing.


For fertilizer fermentation, C/N ratio should be adjusted to 25-30:1 and PH value should be adjusted to 6-8ph. Due to fresh chicken manure with high moisture, people should add 20% – 30% straw, haulm or mushroom residue together into raw materials, so as to adjusting water content. It is very crucial to control moisture during making fertilizer, not too high and not too low, and there is a way to judge water content appropriate: grasping materials tightly, water is visible but without dropping down, and materials can disperse when falling to the ground. 


Remark: if farmers do not want to reduce water content quickly, solid-liquid dewatering machine is a quite good solution for separating the solid chicken dung from the liquid, accelerating the decrease of moisture in manure.


Creating fermentation pile: the pile should not be too small and too low, which may affect compost effect. Usually, for better fermentation effect, the height is about 0.8m – 1.5m, the width is around 2m, while the length should over 4m.

Composting the material piles when the temperature of pile is up to 65 Celsius. As we all know, ventilation is an important factor affecting compost temperature and fermentation effect, and the purpose of composting is to improve aeration condition within piles, promote the reproduction of beneficial microorganism under high temperature, and accelerate the conversion of ferment materials, thereby achieving homogeneous mixing, consistent heating and coincident composting. Here, adopting compost turner machine to turn over the materials (turning once or twice per day during the fermentation process), control chicken manure compost temperature and supplement oxygen required by ferment.


Normally, it takes about weeks to finish composting and fermentation, after that, chicken manure would realize complete deodorization and play a role in sterilization and deinsectization at the same time. For better packaging and good market, people can proceed to granulating process with disc pan granulator so as to make granulated organic fertilizer,choosing the suitable granulator depending on raw materials quantity and requirement for production.

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But composting poultry manure also has its disvantanges:

01. Composting Poultry Manure also needs big floor area.

02. Composting Poultry Manure needs about 30 days or even longer for fermentation.

03. After fermentation, the moisture content of the composting poultry manure will be reduced to be about 40% which is still wet and not suitable to be packed into bag.  If you want to dry the composting poultry manure to be with moisture content about 15% which is suitable for long term storage, then you have to find solution to dry the composting poultry manure.

Then does have other good solution to process the poultry manure ?

Solution 1: 

To use Sunco Machinery Chicken Manure Dryer Machine to directly heat and dry the wet poultry manure, and reduce the moisture content of poultry manure to be about 15% or as need.

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Sunco Machinery Poultry manure dryer is to use high temperature air to heat and dry the chicken manure quickly and continuously, and with about 10-15 minutes the wet chicken manure can be made into dry chicken manure.

Sunco Machinery Poultry Manure dryer System is with compact structure, and it needs much less ground area, but it needs to burn the fuel to generate the high temperature air for the chicken manure drying system

Solution 2: 

Combining the advantages of Composting and Drying :

Firstly composting the poultry manure and reduce its moisture content to be about 40%,

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Secondly to use Sunco Machinery Chicken Manure Dryer Machine to heat and dry the composting poultry manure, and reduce its moisture content from about 40% to be about 15%.

To do it in this way, the odor, harmful bacterial, water of wet poultry manure is got rid of, and also can help to save the fuel consumption.


Successful Case:

In Thailand, one of our customer – Thailand CP Group:  Before using Sunco Machinery organic fertilizer dryer machines to process and dry these chicken manure, they compost and ferment the wet chicken manure mixed with rice husk, and after fermentation the moisture content of chicken manure is about 40% which is not suitable for making into organic fertlizer pellets, and also not suitable to be packed into bags for long term storage.

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Every hour they need to process and dry about 16 tons fermented chicken manure with moisture content about 40%, after detailed negotiation, Thailand CP Group purchase one set of Output Capacity 12 tons per hour Chicken Manure Dryer System from Sunco Machinery。

compost chicken manure into poultry manure organic fertilizer, poultry manure dryer, chicken manure drying machine

After being dried by Sunco Machinery Poultry Manure Dryer, the moisture content of fermented chicken manure is reduced to be about 16%, and then they use it to produce organic fertilizer pellets.

compost chicken manure into poultry manure organic fertilizer, poultry manure dryer, chicken manure drying machine

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