Statistical Optimization and Analysis of Factors Maximizing Milk Productivity

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dc.authorid0000-0002-4206-2248
dc.authorid0000-0003-0924-3685
dc.contributor.authorKurtulus, Yuecel
dc.contributor.authorSahin, Hasan
dc.contributor.authorAtalan, Abdulkadir
dc.date.accessioned2026-02-08T15:15:54Z
dc.date.available2026-02-08T15:15:54Z
dc.date.issued2025
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis study was conducted to determine the biological and environmental factors affecting milk yield and dry matter consumption and to analyze the effects of these factors on animal production. The study determined the variables affecting milk yield as input factors, such as lactation period, number of days of gestation, age, TMR dry matter ratio, and environmental factors. As a result of regression analyses, it was determined that each 1% increase in the TMR dry matter ratio decreased the milk yield by 0.9148 L, and each increase in the number of lactations increased the daily milk yield by 3.753 L. However, it was observed that the increase in the number of lactation days caused a decrease in milk production, and milk yield decreased as the gestation period extended. The most appropriate independent variable values were determined using statistical optimization analyses to maximize milk yield and optimize dry matter consumption. As a result of the analyses, the optimum value for the TMR dry matter ratio was calculated as 46.77%, 5 for lactation number, 6 for lactation day number, 230 days for gestation period, 55.8 months for cow age, and 20 degrees C for air temperature. The optimum values of the dependent variables were determined to be 61.145 L for daily milk yield and 19.033 units for dry matter consumption. The prediction intervals provided by the model served as reference points for future observations and showed that milk production was strongly affected by certain environmental and biological factors.
dc.identifier.doi10.3390/ani15101475
dc.identifier.issn2076-2615
dc.identifier.issue10
dc.identifier.pmid40427351
dc.identifier.scopus2-s2.0-105006487349
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/ani15101475
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6030
dc.identifier.volume15
dc.identifier.wosWOS:001495853200001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofAnimals
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzWOS_KA_20260207
dc.subjectmilk yield
dc.subjectdry matter
dc.subjectregression analysis
dc.subjectvariables
dc.subjectoptimization
dc.titleStatistical Optimization and Analysis of Factors Maximizing Milk Productivity
dc.typeArticle

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