How is organic milk produced?
Under USDA organic rules (7 CFR Part 205), organic milk comes from dairy animals kept under continuous organic management for at least 12 months before the milk is sold as organic. They are fed organic feed, must graze, and may not get growth hormones or antibiotics. An animal treated with antibiotics cannot have its milk sold as organic.
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What do USDA organic rules require for dairy animals?
Dairy animals must be under continuous organic management for a minimum of 12 months immediately before the milk is produced and sold, labeled or represented as organic (7 CFR 205.236).
What do organic cows eat?
The total ration must be made of organically produced and handled agricultural products. Producers may not feed animal drugs, including hormones, to promote growth. They may not feed mammalian or poultry slaughter by-products to mammals, urea or manure, or feed to which any antibiotic, including ionophores, has been added (7 CFR 205.237).
Do organic cows have to graze?
Ruminants must be grazed daily throughout the grazing season, which depends on the location. Dairy animals must get an average of at least 30 percent of their dry matter intake from grazing over the grazing season (7 CFR 205.239). The text gives no fixed number of days.
Are antibiotics and hormones allowed?
No. Hormones for growth promotion, production or reproduction are prohibited, with limited exceptions listed in the rule. If an animal is treated with antibiotics or another prohibited substance, neither the animal nor its products, including milk, may be sold, labeled or represented as organic (7 CFR 205.238).
Who checks this?
Only certified operations may label milk as organic. This page covers production rules only; we do not compare nutrition between organic and conventional milk.
People also ask
How is organic milk produced?
From dairy animals under 12 months of continuous organic management, fed organic feed, grazing daily in season, and never given growth hormones or antibiotics, per USDA 7 CFR Part 205.
Do organic dairy cows get antibiotics?
A cow treated with antibiotics cannot have its milk sold as organic, per 7 CFR 205.238.
How much grazing do organic dairy cows need?
An average of at least 30 percent of dry matter intake from grazing during the grazing season, per 7 CFR 205.239.
Sources
- Cornell Legal Information Institute (7 CFR 205.236, Origin of livestock), read 5 Nov 2026
- Cornell Legal Information Institute (7 CFR 205.237, Livestock feed), read 5 Nov 2026
- Cornell Legal Information Institute (7 CFR 205.238, Livestock health care practice standard), read 5 Nov 2026
- Cornell Legal Information Institute (7 CFR 205.239, Livestock living conditions), read 5 Nov 2026
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