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      Model Pendugaan Konsentrasi Amonia (NH3) dalam Cairan Rumen Sapi Perah dengan Ion Selective Electrode (ISE)

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      Date
      2026
      Jenis/Type
      Skripsi
      Subtype
      Undergraduate Theses
      Author
      Salsabila, Zahra Khalilah
      Despal
      Amirroenas, Dwierra Evvyernie
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      Abstract
      Penelitian ini bertujuan membuat model pendugaan konsentrasi amonia dalam cairan rumen sapi perah menggunakan ISE. Data dasar penelitian ini diperoleh dari kurang lebih 600 sampel dari berbagai macam jenis sampel dan perlakuan. Dari hasil pengukuran amonia menggunakan korelasi pearson, regresi linear dengan dan tanpa intercept, serta validasi model melalui koefisien determinasi (R²), nilai probabilitas (P), mean absolute deviation (MAD), root mean square error (RMSE), dan mean absolute percentage error (MAPE). Hasil penelitian menunjukkan bahwa penyortiran data pencilan meningkatkan hubungan antara hasil pengukuran ISE dan metode Conway. Model terbaik diperoleh pada kelompok konsentrat, suplemen/aditif dan amonia normal setelah penyortiran data dengan penggunaan intercept yang menghasilkan nilai MAPE sebesar 5,47%, 2,93%, 1,71%. Simpulan dari penelitian ini adalah ISE berpotensi digunakan sebagai metode alternatif yang cepat dan praktis untuk pendugaan konsentrasi amonia cairan rumen sapi perah untuk menggantikan metode conway.
       
      This study aims to develop a model for estimating ammonia concentration in the rumen fluid of dairy cows using ISE. The baseline data for this study were obtained from approximately 600 samples of various types and treatments. Ammonia measurement results were analyzed using Pearson’s correlation, linear regression with and without an intercept, and model validation via the coefficient of determination (R²), probability value (P), mean absolute deviation (MAD), root mean square error (RMSE), and mean absolute percentage error (MAPE). The results showed that outlier removal improved the relationship between ISE measurements and the Conway method. The best models were obtained for the concentrate, supplement/additive, and normal ammonia groups after outlier removal, using an intercept that yielded MAPE values of 5.47%, 2.93%, and 1.71%, respectively. The conclusion of this study is that ISE has the potential to be used as a fast and practical alternative method for estimating ammonia concentrations in the rumen fluid of dairy cows to replace the Conway method.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/175154
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      • UF - Nutrition Science and Feed Technology [3063]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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