title: Segmented polynomial model for estimation of egg production curves in laying hens.
abstract: 1. A model for estimating egg production curves in layers was developed and tested against other existing models. The model uses a three segment polynomial (constant-cubic-linear) and is reparameterised to estimate variables of practical importance. 2. The model predicted future production based on partial data better and estimated egg production curves as well as the currently existing models.
authors.affiliation: Centro Nacional de Pesquisa de Suínos e Aves, EMBRAPA, Concórdia, SC, Brazil. ffialho@agen.ufl.edu
authors.forename: F B
authors.initials: FB
authors.lastname: Fialho
authors.forename: M C
authors.initials: MC
authors.lastname: Ledur
mesh_terms: D000818:Animals; D002645:Chickens; D004531:Eggs; D005260:Female; D006799:Housing, Animal; D008433:Mathematics; D008954:Models, Biological; D010058:Oviposition; D015203:Reproducibility of Results