09/10/2025 / By S.D. Wells
Most Americans have never even heard the word glyphosate; they’ve only heard about or used the weed killer Roundup. They don’t know what’s in it, they don’t know it kills animals and humans, and they surely have no clue it winds up in their eggs and chicken because it’s coated on the food the birds are eating in their Holocaust-like confined animal feeding operations of corporate “Farma” America.
A growing body of research is raising alarms over glyphosate — the active ingredient in Roundup — and its widespread presence throughout the poultry production system. A scientific review in the World’s Poultry Science Journal highlights how this herbicide, commonly used on genetically engineered (GM) feed crops, leaves residues that move from feed to chickens and ultimately to eggs and meat sold in grocery stores.
Earlier research in Scientific Reports confirms that glyphosate residues are “common in conventional eggs,” pointing to a direct link between GM feed and contamination in products consumed by people.
The review analyzed the biochemical, toxicological, and ecological impacts of glyphosate and its main metabolite, aminomethylphosphonic acid (AMPA), on poultry. The evidence is extensive and troubling. Sublethal effects include disrupted gut microbiota, gastrointestinal disease, decreased productivity, reduced reproductive health, liver and kidney toxicity, oxidative stress, endocrine disruption, growth defects, weakened immunity, and developmental abnormalities.
These findings mirror long-documented concerns about glyphosate’s broader effects: harm to biodiversity, environmental persistence, and risks to human health. Both glyphosate and AMPA have been detected in soil, crops, feed, poultry, and water sources. The International Agency for Research on Cancer (IARC), part of the World Health Organization, has classified glyphosate as a probable carcinogen, aligning with independent peer-reviewed studies, even as some regulatory agencies dispute that classification.
Glyphosate is ubiquitous: used in forestry, agriculture, landscaping, and home gardening. Over 750 herbicides contain it, and roughly 80% of GM crops are designed to tolerate it. Glyphosate-based formulations also contain other chemicals — often undisclosed — that can increase toxicity. One common additive, polyethoxylated tallow amine (POEA), has been shown to kill human embryonic, placental, and umbilical cord cells.
For poultry, exposure is multi-layered. GM corn and soybeans — staples in poultry diets — are major sources of contamination. Studies show that glyphosate residues affect poultry growth, immune function, and reproduction. Documented impacts include liver and kidney damage, oxidative stress in the liver and intestines, weaker eggshells, delayed embryo organ growth, and disruptions in metabolic pathways crucial for detoxification and hormone balance.
Glyphosate also harms reproductive performance. Chronic, subtoxic exposure reduces testosterone levels and damages sperm in roosters, with downstream effects on fertility and offspring health — sometimes through epigenetic changes. In eggs, glyphosate can accumulate, slow embryonic development, damage developing brain tissue, reduce hatch rates, and impair plumage and organ development.
These findings challenge current safety standards. Regulatory processes often assess glyphosate in isolation, ignoring the enhanced toxicity of formulations, synergistic chemical interactions, and the potential for bioaccumulation. Long-term, species-specific studies remain limited, leaving significant gaps in understanding cumulative risks.
Experts urge a transition to safer systems. Organic agriculture, which avoids synthetic herbicides and fertilizers, protects ecosystems, food safety, and public health by building soil health, reducing chemical burdens, and lowering the risk of antibiotic-resistant bacteria in meats. Research suggests organic poultry farming provides both health and economic benefits, offering a viable path away from a chemical-dependent food system.
The evidence is clear: glyphosate’s presence in poultry products is not a distant environmental issue but an immediate food safety and public health concern requiring urgent attention and systemic change.
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agriculture, chemical violence, food supply, glyphosate, glyphosate chicken, glyphosate eggs, GMO feed, killer feed, killer food, toxic chicken, toxic eggs, toxic feed, toxins, weed killer
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