A small addition of 0.25g/kg resulted in a dual improvement in egg production rate and chicken herd health
When it comes to laying chicken farming, the two most concerning things for farmers are: whether the egg production rate is high enough? Are chickens sick?
In the past, many people relied on antibiotics to provide protection, but now, green and antibiotic free farming has become the trend. Antibiotics are no longer allowed, what can be used as a substitute?
The answer may be hidden in the cell wall of yeast.
01Why raise chickens with yeast cell walls?
Yeast is not unfamiliar to everyone - making bread and making wine cannot do without it. And the yeast cell wall is the layer of "hard shell" that wraps around the yeast.
Don't underestimate this shell, it contains two "treasure" substances: β - glucan and mannan.
β - glucan: an immune "commander" that can activate the chicken flock's own defense capabilities.
Mannan: The intestinal "cleaner" can adsorb harmful bacteria and toxins, helping to eliminate them from the body.
The combination of the two not only reduces the incidence of illness in chickens, but also promotes healthier intestines and better nutrient absorption.
02Adding 0.25g/kg to 02 actually increases egg production rate
Scientific research is the most persuasive.
In 2025, a study published in the journal Animals selected 500 Hassex laying hens during their peak egg production period and conducted a 16 week experiment.
In the experimental group's diet, only 0.25g/kg of yeast cell wall was added - a small amount, but the effect was stunning:
The egg production rate has significantly increased
Significant improvement in feed conversion efficiency
What does it mean? Chicken flocks with the same amount of feed and added yeast cell walls can produce more eggs, resulting in lower breeding costs.
03 The "inflammatory factors" in the chicken body have significantly decreased
Whether a flock of chickens is healthy or not cannot be judged solely on the surface. Researchers detected pro-inflammatory cytokines in chicken blood - they act as "fire signals" in the body, with higher levels indicating more severe inflammation.
Three pro-inflammatory factors were mainly detected: IL-1 β, IL-6, and TNF - α.
The results showed that the experimental group with added yeast cell wall:
Significant decrease in IL-1 β levels
IL-6 and TNF - α also significantly decreased
At the same time, the level of anti-inflammatory factor IL-10 significantly increased.
This indicates that yeast cell walls help establish a more balanced and healthy immune state in chicken flocks. Chickens are no longer "consumed" by chronic inflammation, and nutrients can be concentrated on egg production.
04 Effect comparable to probiotics, but more convenient to use
This study also specifically set up multiple probiotic groups (such as Bacillus subtilis and Bacillus coagulans) as controls.
The result is very interesting:
The yeast cell wall group showed comparable effects to the best performing probiotic group in reducing pro-inflammatory factors such as IL-1 β and TNF - α, as well as increasing egg production rate.
In other words, yeast cell walls, as prebiotics, have functions comparable to probiotics.
Moreover, compared to probiotics that require refrigeration and are afraid of deactivation, yeast cell walls as feed additives have more stable properties and are more convenient to store and use.
05 Improvement from the Root of Intestine: More Good Bacteria and Less Bad Bacteria
How does yeast cell wall work? The secret lies in the intestines.
Research has confirmed that it can regulate the gut microbiota structure of chicken flocks
✅ Promote the proliferation of beneficial bacteria such as lactobacilli in large quantities
✅ Inhibit the growth of harmful bacteria such as Salmonella and Escherichia coli
Gut health is improved, and the absorption of feed nutrients is more efficient; The intestinal barrier is stronger, making it less likely for bacteria to invade; The whole body's immunity naturally increases.
The gut is the foundation of a healthy chicken flock. Only when the foundation is stable can the egg laying be stable.
In conclusion
In the current trend of antibiotic free and green farming, yeast cell walls provide a rare solution for egg chicken farming:
Speak with experimental data: improve egg production rate, reduce feed costs
Improving from the root: reducing inflammatory factors and enhancing chicken herd immunity
Safe, stable, and convenient: the effect is comparable to probiotics, and the threshold for use is lower
For farmers, this is a new choice worth paying attention to and trying.
For consumers, this means that the eggs on the dining table come from healthier chicken flocks and are more reassuring to eat.
The small yeast cell wall may bring about an efficiency revolution in egg chicken farming.
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