title: Laying patterns of geese in the mid west.
abstract: In the nine years from 1966 through 1974 two large flocks of geese, one Emden and the other Toulouse, averaging respectively 1959 and 734 females began laying between January 9 and February 28 with the Toulouse lagging an average of 16 days. It took a mean of 17 days to advance from the 5% to the 33-1/3% level of laying. An average rate of 29.5% was thereafter maintained for 80 days, after which it dropped to 16% in ten more days.
mesh_terms: D000818:Animals; D005260:Female; D005777:Geese / Q000502:physiology*; D007484:Iowa; D010058:Oviposition; D013997:Time Factors