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Analysis of egg quality traits and prediction of egg weight in Isa Brown laying hens

Cilt: 60 Sayı: 3 13 Ekim 2023
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Analysis of egg quality traits and prediction of egg weight in Isa Brown laying hens

Abstract

Objective: The objective of this study was to determine the best-fitted regression model for estimating egg weight of Isa Brown laying chickens using external and internal egg parameters. Materials and Method: Data collected include: egg weight (EWT), egg length (EL), egg diameter (ED), shell thickness (ST), shell weight (SW), albumen height (AH), albumen weight (AW), yolk height (YH), yolk weight (YW) and yolk length (YL). Data were subjected to statistical analysis procedures of SPSS (version 23.0.0). Egg weight was regressed on external and internal egg parameters using forward, backward and full model regression procedures, to determine the combinations of egg parameters that explain variation in the dependent variable. Results: Results showed that the mean (±SE) of EWT, EL, ED, ST, SW, AH, AW, YH, YW and YL were 60.49±0.47, 4.23±0.03, 2.94±0.02, 1.37±0.01, 6.04±0.05, 1.20±0.01, 36.30±0.39, 1.22±0.02, 15.29±0.15 and 2.32±0.02 respectively. The models of EWT = 30.638+0.582AW+0.571YW and EWT = -14.991+8.779EL+5.493ED+3.686SW are the best fitted regression models for predicting egg weight of Isa Brown laying chickens. Conclusion: Conclusively, egg weight of Isa Brown laying chickens can be improved through selection for EL, ED, ST and SW trait

Keywords

Egg weight , egg quality traits , Isa Brown hen , regression

Kaynakça

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Kaynak Göster

APA
Rotımı, E. (2023). Analysis of egg quality traits and prediction of egg weight in Isa Brown laying hens. Journal of Agriculture Faculty of Ege University, 60(3), 399-404. https://doi.org/10.20289/zfdergi.1263632