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Title:Spremljanje kondicije krav molznic lisaste pasme med laktacijo
Authors:ID Lep, Danijel (Author)
ID Janžekovič, Marjan (Mentor) More about this mentor... New window
ID Virk, Tadej (Comentor)
Files:.pdf UN_Lep_Danijel_2016.pdf (900,87 KB)
MD5: C3D4F6790A230EBE5CF5F7E9DA78048F
 
Language:Slovenian
Work type:Bachelor thesis/paper
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:Namen diplomskega dela je spremljanje telesne kondicije krav molznic lisaste pasme in ugotoviti morebitne medsebojne povezave med proizvodnimi lastnostmi in telesno maso. V raziskavo, ki je trajala 6 mesecev, je bilo vključenih 31 molznic. Molznice se je enkrat mesečno tehtalo, ocenila se jim je telesna kondicija in spremljala količina in kakovost mleka. Ugotovili smo, da je ocena telesne kondicije bolj uporaben podatek kot podatek o telesni masi. Kondicija se najhitreje spreminja v prvih treh mesecih po porodu, saj takrat molznice izgubijo največ telesne mase, imajo pa v tem obdobju najvišjo povprečno dnevno mlečnost. Poleg spremljanja telesne kondicije je zelo pomembno tudi spremljanje vsebnosti maščob in beljakovin v mleku, saj nas lahko vsi ti podatki skupaj zgodaj opozorijo na morebitne presnovne motnje molznice. Manj produktivne molznice začno že v prvi polovici laktacije z nalaganjem telesnih maščob in imajo ob presušitvi previsoko oceno kondicije, kar vodi v presnovne težave v naslednji laktaciji.
Keywords:krave molznice, telesna kondicija, laktacija, telesna masa
Place of publishing:Maribor
Year of publishing:2016
PID:20.500.12556/DKUM-60079 New window
NUK URN:URN:SI:UM:DK:TFS4QUW8
Publication date in DKUM:24.06.2016
Views:2380
Downloads:244
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Secondary language

Language:English
Title:Body condition monitoring of Simmental dairy cattle during lactation
Abstract:The purpose of the diploma paper is to monitor the body condition score of Simmental dairy cattle and find possible interactions between the production traits and body weight. The experiment, which included 31 dairy cows, lasted 6 months. The cows were weighted once per month, their body condition score and the quality and quantity of the milk was monitored. We established that the body condition score is a more useful data than the body weight information. The body condition changes most in the first three months of lactation. This is also the time when dairy cows loose most of their weight and have the highest average daily milk yield. Next to monitoring the body condition score, it is also very important to monitor the fat and protein content in the milk, since all this data together can warn us about possible metabolic issues of the cow. Less productive dairy cows start building up body fat already in the first half of lactation and have at dry-off a to high body condition score, which leads to metabolic issues at the next lactation.
Keywords:dairy cow, body condition score, lactation, body weight


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