Use of statistical modeling to assess risk for early poult mortality in commercial Turkey flocks

Donna K. Carver, John Fetrow, Tom Gerig, Maria T. Correa, Kenneth K. Krueger, H. John Barnes

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Statistical models were used to identify and quantify risk factors associated with early poult mortality. Mortality patterns were not different for hen and tom flocks, although toms experienced greater mortality. Season of placement, breeder flock age, strain, hatchery, and company had significant effects on risk of poult mortality in the first 14 days after placement. Hen flocks hatched in Virginia or placed in summer had higher risks of mortality. Tom flocks from young breeder hens, hatched in Virginia, or placed in winter had higher risks of mortality. There were strain effects on risk for poult mortality, and effect of breeder flock age on poult mortality was strain specific for hen poults. Median mortality differences among companies ranged from 0.98 to 2.11% at Day 14 for hens, and from 1.27 to 5.76 % at Day 14 for toms. There were wide-ranging company effects on risks of mortality.

Original languageEnglish (US)
Pages (from-to)303-318
Number of pages16
JournalJournal of Applied Poultry Research
Volume9
Issue number3
DOIs
StatePublished - 2000

Bibliographical note

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Keywords

  • Mortality
  • Poult
  • Risk

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