Direct and indirect contributions of internal and external quality traits on egg weight of Shika Brown layer using Path Coefficient Analysis

Emmanuel Abayomi Rotımı

Article Details

Direct and indirect contributions of internal and external quality traits on egg weight of Shika Brown layer using Path Coefficient Analysis

Authors:

Emmanuel Abayomi Rotımı

Publisher:

Hatay Mustafa Kemal University

Main Topics:

Hayvansal Üretim (Diğer)

Journal:

Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi Vol.28 Issue 1, pp.38-45

Document Type:

Article

Publication Date:

7/2023

Document Language:

English

Document ID (Org No.):

2001286050

pISSN:

2667-7733

Keywords:

Abstract:

 Path analysis procedure is a statistical procedure that can be applied to evaluate direct and indirect contributions of independent variables to the dependent variables for better understanding of the relationships between egg quality traits. One hundred and twenty 120 eggs, collected from Shika Brown layers, were used to evaluate the direct and indirect effects of internal and external egg quality parameters on egg weight of Shika Brown layers using Path analysis procedure. Data obtained on individual egg include the following; egg weight EWT, egg length ELT, egg width EWD, shell thickness STK, shell weight SWT, albumen weight AWT and yolk weight YWT. Correlation coefficient results show that EWT had a positively significant correlation P0.05 with ELT 0.715, EWD 0.758, SWT 0.460 and AWT 0.785. ELT had the greatest direct effect 0.360; P0.05 on EWT followed by EWD 0.345; P0.05 while the least of the direct effects on EWT 0.012; P0.05 was from STK. However, the highest total indirect effect 0.487 on EGW was realised largely via EWD. Therefore, EWT of Shika Brown layer strain had a high positive relationship with ELT, EWD and AWT. The path coefficient analysis revealed that ELT, along with EWD contributed highest direct effect on the EWT. This information could be used in selection programme for the improvement of EWT of Shika Brown layer chickens.

 Path analysis procedure is a statistical procedure that can be applied to evaluate direct and indirect contributions of independent variables to the dependent variables for better understanding of the relationships between egg quality traits. One hundred and twenty 120 eggs, collected from Shika Brown layers, were used to evaluate the direct and indirect effects of internal and external egg quality parameters on egg weight of Shika Brown layers using Path analysis procedure. Data obtained on individual egg include the following; egg weight EWT, egg length ELT, egg width EWD, shell thickness STK, shell weight SWT, albumen weight AWT and yolk weight YWT. Correlation coefficient results show that EWT had a positively significant correlation P0.05 with ELT 0.715, EWD 0.758, SWT 0.460 and AWT 0.785. ELT had the greatest direct effect 0.360; P0.05 on EWT followed by EWD 0.345; P0.05 while the least of the direct effects on EWT 0.012; P0.05 was from STK. However, the highest total indirect effect 0.487 on EGW was realised largely via EWD. Therefore, EWT of Shika Brown layer strain had a high positive relationship with ELT, EWD and AWT. The path coefficient analysis revealed that ELT, along with EWD contributed highest direct effect on the EWT. This information could be used in selection programme for the improvement of EWT of Shika Brown layer chickens.

 Path analysis procedure is a statistical procedure that can be applied to evaluate direct and indirect contributions of independent variables to the dependent variables for better understanding of the relationships between egg quality traits. One hundred and twenty 120 eggs, collected from Shika Brown layers, were used to evaluate the direct and indirect effects of internal and external egg quality parameters on egg weight of Shika Brown layers using Path analysis procedure. Data obtained on individual egg include the following; egg weight EWT, egg length ELT, egg width EWD, shell thickness STK, shell weight SWT, albumen weight AWT and yolk weight YWT. Correlation coefficient results show that EWT had a positively significant correlation P0.05 with ELT 0.715, EWD 0.758, SWT 0.460 and AWT 0.785. ELT had the greatest direct effect 0.360; P0.05 on EWT followed by EWD 0.345; P0.05 while the least of the direct effects on EWT 0.012; P0.05 was from STK. However, the highest total indirect effect 0.487 on EGW was realised largely via EWD. Therefore, EWT of Shika Brown layer strain had a high positive relationship with ELT, EWD and AWT. The path coefficient analysis revealed that ELT, along with EWD contributed highest direct effect on the EWT. This information could be used in selection programme for the improvement of EWT of Shika Brown layer chickens.

 Path Yol analizi, yumurta kalite özellikleri arasındaki ilişkilerin daha iyi tanımlanması için bağımsız değişkenlerin bağımlı değişkenlere doğrudan ve dolaylı katkılarını değerlendirmek için uygulanabilen istatistiksel bir yöntemdir. Bu çalışmada Shika Kahverengi yumurtacı tavuklardan elde edilmiş 120 adet yumurtada iç ve dış kalite özelliklerinin yumurta ağırlığı üzerine doğrudan yada dolaylı etkisi belirlenmiştir. Tek bir yumurta üzerinden yumurta ağırlığı YA, yumurta uzunluğu YU, yumurta genişliği YG, kabuk kalınlığı KK, kabuk ağırlığı KA, ak ağırlığı AA ve sarı ağırlığı verileri elde edilmiştir. Korelasyon katsayı sonuçları yumurta ağırlığı ile ile YB 0.715, YE 0.758, KA 0.460 ve AA 0.785 arasında önemli pozitif korelasyon olduğunu göstermektedir P0.05. Korelasyon katsayı sonuçları YA ile ile YB 0.715, YE 0.758, KA 0.460 ve AA 0.785 arasında önemli pozitif korelasyon olduğunu göstermektedir P0.05. Yumurta ağırlığı üzerine YU  0.360; P0.05 doğrudan en yüksek etkili olmuş bunu YE 0.345;P0.05 izlerken KK 0.012; P0.05 yumurta ağırlığı üzerine en az doğrudan etkiye sahip olmuştur. Bununla birlikte yumurta ağırlığı üzerine en yüksek dolaylı etki 0.487 büyük ölçüde YE vasıtasıyla gerçekleşmiştir. Bundan dolayı Shika Kahverengi yumurtacı ırkı yumurta uzunluğu, yumurta eni ve yumurta ak ağırlığı yumurta arasında yüksek pozitif bir korelasyona sahiptir. Bu bilgiler Shika Kahverengi Yumurtacı tavuklarda yumurta ağırlığının geliştirilmesi için seleksiyon programlarında kullanılabilir.

Article Details

Direct and indirect contributions of internal and external quality traits on egg weight of Shika Brown layer using Path Coefficient Analysis

Authors:

Emmanuel Abayomi Rotımı

Publisher:

Hatay Mustafa Kemal University

Main Topics:

Hayvansal Üretim (Diğer)

Journal:

Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi Vol.28 Issue 1, pp.38-45

Document Type:

Article

Publication Date:

7/2023

Document Language:

English

Document ID (Org No.):

2001286050

pISSN:

2667-7733

Correlation coefficient

Direct effect

Indirect effect

Path analysis.

Korelasyon katsayısı

Doğrudan etki

Dolaylı etki

Yol analizi

Issues

Article Details

Authors: Emmanuel Abayomi Rotımı

Publisher: Hatay Mustafa Kemal University

Main Topics: Hayvansal Üretim (Diğer)

Journal: Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi Vol.28 Issue 1, pp.38-45

Document Type: Article

Publication Date: 7/2023

Document Language: English

Document ID (Org No.): 2001286050

pISSN: 2667-7733

Issues

Authors:

Emmanuel Abayomi Rotımı

Publisher:

Hatay Mustafa Kemal University

Main Topics:

Hayvansal Üretim (Diğer)

Journal:

Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi Vol.28 Issue 1, pp.38-45

Document Type:

Article

Publication Date:

7/2023

Document Language:

English

Document ID (Org No.):

2001286050

pISSN:

2667-7733