Definition of in lay in English:

in lay

phrase

  • (of a hen) laying eggs regularly.

    • ‘Velogenic viral infection of chickens and turkeys in lay usually reveal egg yolk in the abdominal cavity with flaccid, degenerative follicles.’
    • ‘When she is in lay, she lays an egg a day - usually in the morning.’
    • ‘Laying chickens produce 265-280 eggs during the 13-14 months they are in lay.’
    • ‘When fully grown the chicken should sport a nice firm comb; The comb will be bright red when the chicken is in lay.’