Analysis of growth curves of Guinea fowl (Numida meleagris) fed diets containing dry oregano (origanum vulgare L.) in an organic system [Análisis de curvas de crecimiento de aves de Guinea (Numidea meleagris) con dietas que contienen orégano seco (origanum vulgare L.) en un sistema orgánico]

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dc.contributor.authorEleroğlu H.
dc.contributor.authorYıldırım A.
dc.contributor.authorCanikli A.
dc.contributor.authorDuman M.
dc.contributor.authorBircan H.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2018
dc.departmentNiğde ÖHÜ
dc.description.abstractIn this study, 240 day-old guinea fowl (Numida meleagris) keets were utilized. They were divided into four treatment groups each containing 20 chicks and were randomly distributed into 12 mobile coops placed in a 100-m2 grazing area. Guinea fowl chicks were randomly allocated to 4 treatment diets containing 0%, 5%, 10%, and 15% dry oregano leaf (DOL) supplements. Nonlinear Gompertz and logistic growth models were used to estimate the mean age-body weight. The growth curve parameters for these models and the following characteristics for fowl were estimated: ß0, the asymptotic weight parameter; ß1, the scaling parameter; ß2, the instantaneous per week growth rate; weight at age of inflection point (WIP); maximum weight gain at inflection point (MWG); and age at the inflection point (AIP). The goodness of fit (GF) for the models was assessed using the following variables: coefficients of determination (r2), mean square error (MSE), adjusted determination coefficient (ADR2), Akaike’s information criteria (AIC), chi-square test (Chi.Sq2) and residual standard deviation (RSD). The different nonlinear function results of the individual data indicated that supplementation of diets with DOL had no significant effects on growth curve parameters when compared with the control diet. Greater correlation values were estimated among ß0, ß1, ß2, WIP, MWG and AIP in the Gompertz equation, and similar results were estimated in the logistic equation, but there was no significant correlation between ß2-ß1 and ß2-MWG. According to the results obtained from the GF, high r2 and ADR2 were estimated in Gompertz and logistic equations (above 0.96). © 2018, Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal. All rights reserved.
dc.description.sponsorshipThis study was supported by the Research Fund of Cumhuriyet University (Project No: ENF–006).
dc.identifier.doi10.7764/rcia.v45i2.1833
dc.identifier.endpage108
dc.identifier.issn0304-5609
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85054146745
dc.identifier.scopusqualityN/A
dc.identifier.startpage99
dc.identifier.urihttps://dx.doi.org/10.7764/rcia.v45i2.1833
dc.identifier.urihttps://hdl.handle.net/11480/1751
dc.identifier.volume45
dc.identifier.wosWOS:000445550800001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherPontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal
dc.relation.ispartofCiencia e Investigacion Agraria
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectGrowth models
dc.subjectGrowth parameters
dc.subjectGuinea fowl
dc.subjectOregano levels
dc.subjectOrganic production
dc.titleAnalysis of growth curves of Guinea fowl (Numida meleagris) fed diets containing dry oregano (origanum vulgare L.) in an organic system [Análisis de curvas de crecimiento de aves de Guinea (Numidea meleagris) con dietas que contienen orégano seco (origanum vulgare L.) en un sistema orgánico]
dc.typeArticle

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