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Title:VPLIV LETNEGA ČASA NA SESTAVO MLEKA V PETLETNEM OBDOBJU
Authors:ID Rokavec, Martina (Author)
ID Janžekovič, Marjan (Mentor) More about this mentor... New window
ID Kraner Šumenjak, Tadeja (Comentor)
Files:.pdf UN_Rokavec_Martina_2014.pdf (470,98 KB)
MD5: F4EC11074DB90C224E523E5670B0FA39
 
Language:Slovenian
Work type:Bachelor thesis/paper
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:Diplomsko delo temelji na podatkih o sestavi mleka (beljakovine, sečnina,maščobe, laktoza), pridobljenih od KGZS - Zavoda Ptuj od leta 2006 do 2010. V analizo smo vključili večino vzorcev mleka kmetijskih gospodarstev na omenjenem območju, vključenih v kontrolo prireje. Namen raziskave je bil ugotoviti vpliv letnega časa na vsebnost maščob, beljakovin, sečnine in laktoze v mleku. Nadalje smo ugotavljali, ali obstajajo korelacije med navedenimi parametri mleka. Rezultati so pokazali, da se posamezne sestavine mleka statistično značilno razlikujejo(α=0,01) glede na zimsko in poletno obdobje. Povprečne vsebnosti beljakovin, maščob in laktoze so bile v poletnem obdobju nižje kot v zimskem obdobju, medtem ko je bila povprečna vrednost sečnine nižja v zimskem obdobju. Nadalje smo ugotovili, da obstajajo značilne linearne korelacije med vsemi sestavinami mleka. Korelacija med maščobami in beljakovinami je bila pozitivna, korelacije med vsemi ostalimi parametri mleka pa so bile negativne.
Keywords:mleko, sestava mleka, letni časi
Place of publishing:Maribor
Year of publishing:2014
PID:20.500.12556/DKUM-47057 New window
NUK URN:URN:SI:UM:DK:ORNHIBEG
Publication date in DKUM:19.12.2014
Views:1606
Downloads:303
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Secondary language

Language:English
Title:INFLUENCE OF SEASONAL VARIATION IN MILK COMPOSITION IN FIVE-YEAR PERIOD
Abstract:The diploma thesis focuses on the composition data of milk (protein, urea, fat, lactose) obtained at the KGZS institute in Ptuj between 2006 an 2010. The analysis includes the majority of samples taken from regional milk farms, which participe in production control. The purpose of this study was to determine the effecst of the yearly seasons on fat, protein, lactose and urea contens in the milk. Furthermore, we determined whether there was a correlation between these milk parameters. The results showed that the values of the individual milk components significantly differ (α=0,01) depending on the winter and summer period. The average contens of protein, fat and lactose were lower in the summer period than during the winter period, while the average urea value was lower during the winter. Furthermore, we have found that there are singnificant linear correlations between all the milk components. The correlation between fat and protein was positive and the correlations between all the other milk parameters were negative.
Keywords:milk, milk composition, seasons


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