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While there is no federal limit set for cow-derived hormones in milk, this study found levels of the bovine growth hormone (bGH) to be 20 times higher in conventional milk than organic. The study said that since growth hormones are produced naturally by dairy cattle, some level of bGH can be expected in all milk samples. The dramatically higher residues found in conventional milk “suggests that the difference reflects the use of synthetic growth hormones” in conventional dairy, according to the study.
The results found no residues of commonly-used pesticides in any of the organic milk samples, but residues in up to 60 percent of the conventional samples.
Sulfathiazole is a synthetic antibiotic that is prohibited from use in lactating dairy cows, and has a detection tolerance limit of zero in milk.
Sulfamethazine is a synthetic antibiotic with carcinogenic properties and adverse effects including allergic reactions. Sulfamethazine quickly distributes to milk in cows treated with it, so it is prohibited from use in lactating dairy cows, and has a detection tolerance limit of zero in milk to be consumed by humans.
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9/18/2018
9/18/2018
There are some dramatic differences between the improved management practice and the local farm management practice. The improved management practice treatment significantly increased stand at the seedling stage, suppressed weeds and narrow brown leaf spot at maturity, and increased grain yield compared to the local farm management practice treatment. Below you can see pictures of the improved management plot and the local farm management plot side by side – the pictures really show these differences!
The use of all antibiotics is prohibited in organic dairy production. Not only are antibiotics prohibited for use in organic, but this research shows ZERO incidences of antibiotic residues in organic milk, while 37% of the conventional milk on grocery shelves tested positive for antibiotic residues. To avoid potential contamination by antibiotics you can choose organic milk and dairy products.