In the first 3–4 months of laying, an increasing trend in the concentrations of contaminants was observed in the eggs of the hens raised on shredded cardboard, although the increases were not statistically significant (Fernandes et al., 2023 ). 1.3.3.3.
← all excerpts
Risks for animal and human health related to the presence of polychlorinated naphthalenes (PCNs) in feed and food.
2
—
—
The sentences
The results were compared with data generated for samples collected between 1979 and 2013 and showed a decreasing trend.