Why does the same chicken manure material result in others selling high-priced organic fertilizer while yours gets complaints for being “foul-smelling”? Poultry manure treatment is an art of “turning waste into treasure,” but 90% of manufacturers overlook these four critical steps: incomplete raw material pretreatment, insufficient fermentation and decomposition, inadequate environmental measures, and unstable product quality. This article reveals the “pitfall avoidance guide” for professional poultry manure organic fertilizer plants.

1. Raw Material Processing: Are You Still Storing Chicken Manure Outdoors?

The first day chicken manure arrives determines the final outcome!

Poultry manure contains 4-6% uric acid (only 1-2% in ordinary livestock manure). If not handled properly, it can produce highly toxic ammonia (NH₃) and hydrogen sulfide (H₂S).

Essential Pretreatment Trilogy

1. Quick Mixing:Immediately add straw/rice husk (weight ratio 1:1) to adjust moisture content to 55-60% and C/N ratio to 25:1
2. Precise Inoculation:Add EM bacteria + Bacillus subtilis at 0.1-0.3% ratio (can decompose 90% of uric acid)
3. Impurity Sorting:Remove feathers, plastics, and other impurities through a 3mm aperture drum sieve (affects product purity)

Wrong Operation	Professional Practice	Effect Comparison
Open-air storage for 3 days	Process in enclosed workshop within 6 hours	80% reduction in ammonia emissions
Direct fermentation	Premix with bacterial agents + additives	40% shorter fermentation cycle

2. Fermentation Process: Is Your “Decomposition” Really Up to Standard?

Why do crops still get burned even when test reports show compliance?

• Temperature Curve:Must maintain ≥55℃ high-temperature period for ≥7 days (to kill roundworm eggs)
• Turning Frequency:Trough fermentation: turn every 3 days (windrow type: every 5 days)
• Decomposition Indicators:Dark brown color, odorless, seed germination rate ≥80%, pH value 6.5-8.5

3. Environmental Red Lines: Not Installing These Equipment = Waiting to Be Shut Down

What are the 3 most frequently penalized aspects by environmental authorities?

According to the 2023 Agricultural Non-point Source Pollution Control Report, the main reasons poultry manure treatment plants are penalized are: odor exceedance (58%), direct wastewater discharge (32%), and improper solid waste disposal (10%).4. Quality Pitfalls: Have You Tested for Antibiotic Residues?

Did you know that tetracycline antibiotics commonly used in farms can remain in manure?

Latest research: Tests in one province showed 32% of chicken manure samples contained antibiotic residues (up to 45mg/kg), which can cause soil microbial imbalance!

Key Product Quality Control Points

• Raw Material Testing:Require farms to provide medication records and test for tetracycline, sulfonamide residues
• Process Optimization:High-temperature fermentation can degrade 60-80% of antibiotics, but fluoroquinolones require special treatment
• Product Labeling:Clearly marking “antibiotic-free” can command 20-30% premium

References:

[1] Ministry of Agriculture and Rural Affairs. NY/T 525-2021 Organic Fertilizers[S]. 2021.

[2] Ministry of Ecology and Environment. Technical Guidelines for Livestock and Poultry Farming Pollution Control[M]. 2023.

[3] Zhao Y. et al. Antibiotics in animal manure: Challenges and solutions[J]. Science of The Total Environment, 2023, 857:159628.