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Title:POVEZAVA MED POPORODNIM PREMOROM IN LASTNOSTMI MLEČNOSTI PRI LISASTI PASMI
Authors:ID Borovič, Tadeja (Author)
ID Janžekovič, Marjan (Mentor) More about this mentor... New window
Files:.pdf VS_Borovic_Tadeja_2013.pdf (780,53 KB)
MD5: 8325BB959B6A35C9D41576C1859C462A
PID: 20.500.12556/dkum/cf2d4ede-0f52-4565-b630-91ba4a4f8903
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:Cilj raziskave je bil ugotoviti vpliv poporodnega premora in zaporedne laktacije na lastnosti mlečnosti (količina mleka, vsebnost maščob in beljakovin) v celotni in standardni laktaciji. Analizirali smo 2454 krav lisaste pasme in njenih križank z območja Pomurja v obdobju od leta 2006 do 2010. V raziskavo smo zajeli 9 zaporednih laktacij, poporodni premor pa smo razdelili na štiri razrede (kot meje smo vzeli kvartile). Vse podatke smo pridobili preko portala CPZ govedo na Kmetijskem inštitutu Slovenije. Vpliv zaporedne laktacije in razredov poporodnega premora na preučevane lastnosti smo izračunali z analizo variance, razlike med obravnavanji pa smo preverili s Tukey-evim testom pri 95 % tveganju. Ugotovili smo, da poporodni premor in zaporedna laktacija statistično značilno vplivata (P≤0,0001) na proučevane lastnosti mlečnosti. Zaporedna laktacija nima značilnega vpliva (P=0,3967) na poporodni premor. Rezultati mlečnosti iz naše raziskave so skladni z rejskimi cilji za lisasto pasmo.
Keywords:poporodni premor, zaporedna laktacija, mlečnost, vsebnost beljakovin, vsebnost maščob
Place of publishing:Maribor
Year of publishing:2013
PID:20.500.12556/DKUM-39678 New window
NUK URN:URN:SI:UM:DK:JJ9AORQZ
Publication date in DKUM:02.04.2013
Views:1908
Downloads:210
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Secondary language

Language:English
Title:Relationship between calving interval and milk yield in Simmental breed
Abstract:The aim of this research was to find out the influence of calving interval and consecutive lactation on the characteristics of milk yield (the amount of milk, the content of fat and proteins) in the whole and standard lactation. A total of 2454 cows of Simmental breed and their interbreeds were analysed from Pomurje region from 2006 to 2010. There were 9 consecutive lactations taken into research, calving interval was divided into four classes (we took quartiles for limits). All data were collected from the portal CPZ cattle on the Agricultural Institute of Slovenia. The influence of consecutive lactation and classes of calving interval on the examined characteristics was calculated with analysis of variance, the differences between the proceedings were tested by Tukey' test. The calving interval and consecutive lactation had significant effect (P≤0.0001) on milk characteristics. On the contrary, consecutive lactation had no effect (P=0.3967) on calving interval. The results of milk yield from our research are consistent to the goals of breeders of Simmental cattle.
Keywords:calving interval, consecutive lactation, milk yield, milk proteins, milk fat


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