Avian living conditions.

CFR · 2024-01-01 · US · Title 7

(a) (b) (2) Producers must monitor ammonia levels at least weekly by taking measurements at the height of the birds' heads and implement practices to maintain ammonia levels below 20 ppm. When ammonia levels exceed 20 ppm, producers must implement additional practices and additional monitoring to reduce ammonia levels below 20 ppm. Ammonia levels must not exceed 25 ppm. (3) For layers and all other fully feathered birds, artificial light may be used to prolong the day length, to provide up to 16 hours of continuous light per 24-hour period ( (4) Exit areas—poultry houses must have at least 1 linear foot of exit area for every 360 birds, measured across the base of the exit, but no less than one linear foot of exit area for flocks with fewer than 360 birds. Exit areas must (i) If exit areas are not provided at a ratio of at least 1 linear foot per 360 birds, a certifier may approve practices that provide less than 1 linear foot per 360 birds only if an operation describes its practices (in the organic system plan) and demonstrates that ready access to the outdoors is provided for all birds; (ii) Producers subject to requirements in 21 CFR part 118—Production, Storage, and Transportation of Shell Eggs, must take steps to prevent stray poultry, wild birds, cats, and other animals from entering poultry houses. (5) Perches—for layers (Gallus gallus), six inches of perch space must be provided per bird. Perch space may include the alighting rail in front of the nest boxes. All laye

official document · source cfr-2024 · id 7:§ 205.241