Farklı Olgunluk Aşamalarında Hasat Edilen Mısırın, in Situ Kuru Madde Parçalanabilirliği İçin Farklı Doğrusal Olmayan Modellerin Karşılaştırılması

Öz

Polyester torba tekniği kullanılarak yapılan bu çalışmada, mısır silajının rumendeki inkübasyonundan elde edilen veriler kullanılarak silajların rumende parçalanabilirlik kinetiğininin doğrusal olmayan alternatif modeller önermek için yürütüldü. Bu çalışmada, mısırın orta çiçeklenme, süt olum ve sert hamur olum olmak üzere üç farklı olgunluk döneminde hasat edilmesiyle elde edilen silajların verileri kullanılmıştır. Orskov modeli, Monomolecular, Mitsherling, Logistics ve Verhulst modellerinin yer aldığı doğrusal olmayan modellerle karşılaştırıldı. Bu modeller R2adj., MSE, MAE, MAPE ve BIC uyum kriterlerine göre karşılaştırmış ve Logistics ve Verhulst modelleri tüm modellerde en iyi model olarak bulunmuştur. Monomoleküler ve Mitsherling modelleri, Orskov modeli ile benzer sonuçlar vermiştir. Sonuç olarak, hayvan besleme çalışmalarında polyester torba tekniği ile farklı olgunluk aşamalarında elde edilen mısır silajı için Orskov Modeli dışında Monomolecular, Mitsherling, Logistics ve Verhulst nonlineer modellerinin kullanılabileceği gösterilmiştir. Logistics ve Verhulst modellerinin en iyi modelleri olarak seçilmelerinin yanı sıra dönüm noktası zamanını ve değerini hesaplayabilmesi bu iki modele özgü önemli bir avantajdır.

Anahtar Kelimeler

• Veri Analizi
• Sindirilebilirlik
• Mısır silajı
• Doğrusal olmayan modeller
• Uyum iyiliği kriterleri

Comparison of different nonlinear models for degradability in situ dry matter of maize harvested at various maturity stages

Abstract

Polyester torba tekniği kullanılarak yapılan bu çalışmada, mısır silajının rumendeki inkübasyonundan elde edilen veriler kullanılarak silajların rumende parçalanabilirlik kinetiğininin doğrusal olmayan alternatif modeller önermek için yürütüldü. Bu çalışmada, mısırın orta çiçeklenme, süt olum ve sert hamur olum olmak üzere üç farklı olgunluk döneminde hasat edilmesiyle elde edilen silajların verileri kullanılmıştır. Orskov modeli, Monomolecular, Mitsherling, Logistics ve Verhulst modellerinin yer aldığı doğrusal olmayan modellerle karşılaştırıldı. Bu modeller R2adj , MSE, MAE, MAPE ve BIC uyum kriterlerine göre karşılaştırmış ve Logistics ve Verhulst modelleri tüm modellerde en iyi model olarak bulunmuştur. Monomoleküler ve Mitsherling modelleri, Orskov modeli ile benzer sonuçlar vermiştir. Sonuç olarak, hayvan besleme çalışmalarında polyester torba tekniği ile farklı olgunluk aşamalarında elde edilen mısır silajı için Orskov Modeli dışında Monomolecular, Mitsherling, Logistics ve Verhulst nonlineer modellerinin kullanılabileceği gösterilmiştir. Logistics ve Verhulst modellerinin en iyi modelleri olarak seçilmelerinin yanı sıra dönüm noktası zamanını ve değerini hesaplayabilmesi bu iki modele özgü önemli bir avantajdır.

Keywords

• Data Analysis
• Degradability
• Maize silage
• The goodness of fit
• Nonlinear model

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