Most death losses in young birds occur during the first 2 weeks after hatching, the mortality curve closely resembling that of pullorum disease.
(Most death losses in young birds; occur; T:during the first 2 weeks after hatching) (the mortality curve; closely resembling; that of pullorum disease)
Most death losses in young birds the mortality curve
occur closely resembling
T:during the first 2 weeks after hatching
that of pullorum disease