Determination of Direct and Indirect Effects on Milk Yield of Anatolian Buffaloes Using Path Analysis

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Published: Jan 25, 2023
DOI: https://doi.org/10.12681/jhvms.28470
Keywords:
the dependent variable the independent variable the direct effect the indirect effect
A Şahin
Kırşehir Ahi Evran University, Faculty of Agriculture, Department of Animal Science, 40100, Kırşehir, Turkey.
https://orcid.org/0000-0003-0454-3830
Y Aksoy
Osmangazi University, Faculty of Agriculture, Department of Animal Science, 26160, Eskişehir, Turkey.
https://orcid.org/0000-0003-2035-6269
A Yildirim
Tokat Gaziosmanpasa University, Faculty of Agriculture, Department of Animal Science, 60250, Tokat, Turkey
https://orcid.org/0000-0002-5876-4228
Z Ulutaş
Ondokuz Mayıs University, Faculty of Agrıculture, Department of Animal Science, 55139, Samsun, Turkey
https://orcid.org/0000-0002-7661-2172
Abstract

This study aimed to determine the direct and indirect effects of the independent variables presented by the lactation lenght (LL), age of calving (CAGE), and daily milk yield (DMY) on the dependent variable of lactation milk yield (LMY) in Anatolian buffaloes. In this study, a total of 3761 LMY records of the 834 Anatolian buffaloes calving between 2012 and 2017 in Tokat province and around were used as the research material. In the study, the simple correlation coefficients between the dependent variable of LMY and independent variables were determined positive and significant (P<0.001). The research specified the direct determination coefficients of the independent variables of the LL, CAGE, and DMY on the dependent variable of LMY as 0.378, 0.004, and 0.350, respectively. The path coefficients related to LL, CAGE, and DMY were determined as 0.615, 0.021, and 0.592, respectively. Since the DMY and LL examined in the study had a high direct impact on the lactation milk yield, therefore it could be suggested that using these data as criteria in breeding programs conducted in the herds evaluated in the study will increase the success in the selections applied.

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Author Biographies
A Şahin, Kırşehir Ahi Evran University, Faculty of Agriculture, Department of Animal Science, 40100, Kırşehir, Turkey.

Department of Animal Science

Y Aksoy, Osmangazi University, Faculty of Agriculture, Department of Animal Science, 26160, Eskişehir, Turkey.

Department of Animal Science

A Yildirim, Tokat Gaziosmanpasa University, Faculty of Agriculture, Department of Animal Science, 60250, Tokat, Turkey

Department of Animal Science

Z Ulutaş, Ondokuz Mayıs University, Faculty of Agrıculture, Department of Animal Science, 55139, Samsun, Turkey

Department of Animal Science

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