Results 191 to 200 of about 3,552 (200)

Safety of a feed additive consisting of zeolites (≥ 50%) obtained from Neapolitan Yellow Tufa for poultry for fattening or reared for laying/reproduction (Italiana Zeoliti s.r.l.). [PDF]

open access: yesEFSA J
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)   +20 more
europepmc   +1 more source

Scientific Opinion on the safety and efficacy of Natugrain® Wheat TS (endo-1,4-beta-xylanase) as feed additive for chickens for fattening, chickens reared for laying, turkeys reared for breeding, minor avian species for fattening and reared for laying or breeding (including ducks) and ornamental birds

open access: yesEFSA Journal, 2012
Aquilina, G   +21 more
openaire  

Effects of chronic and repeated corticosterone administration in rearing chickens on physiology, the onset of lay and egg production of hens

Physiology & Behavior, 2009
A corticosterone model was used to study the effects of chronic and repeated stress during the rearing phase on physiology, the onset of lay and performance of laying hens in the subsequent laying period. Two hundred and seventy Hy-line brown layer pullets were reared in environmentally controlled battery cages. At 7, 11, and 15 weeks of age birds were
Shini, S., Shini, A., Huff, G. R.
openaire   +5 more sources

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