BF, Dept. of Animal Science, Ljubljana (BFZOO)
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Vpliv popite vode na količino in kakovost mleka krav molznic v zimskem obdobju : diplomsko delo : visokošolski strokovni študij = Influence of water intake on the quantity and quality of cow milk in the winter period : graduation thesis : higher professional studiesPrimožič, Andreja ; Orešnik, AndrejAnalizirali smo značilnosti pitja vode in mlečnosti pri kravah molznicah (2 črno-beli, 2 lisasti, 1 bohinjka) v zimskem obdobju. Molznice so v sedemdnevnem obdobju pile skupno 359-krat in spile ... skupaj 2111 l vode. Na dan je molznica pila povprečno 10,3-krat in spila 60,3 l vode. Med krmljenjem in po molži sta bili pogostost pitja in količina popite vode večji, kot v ostalihdelih dneva in noči. Povprečna dnevna mlečnost po molznici je znašala 9,73 mleka. Odstotek maščobe (od 4,67 do 4,77 %) in beljakovin (od 3,76 do 3,80) v mleku je bil velik. Ugotovili smo, da pogostost pitja ni v značilni povezavi s količino popite vode (r=0,13 do največ r=0,33; vse P manjše od 0,05), medtem ko smo značilno povezavo ugotovili med številom pitij in količino namolzenega mleka (r=0,53 do r=0,61; vse P manjše od 0,01). Za kilogram mleka so molznice porabile povprečno 6,2 l vode. Večja vsebnost maščobe v mleku večerne molže je v statistično značilni povezavi z manjšim številom pitij v večernem obdobju (r=-0,65 do r=-0,76; vse P manjše od 0,01). Povezave med jutranjim številom pitij in jutranjo in večerno mlečnostjo so visoke in značilne (r=0,61 in r=0,58; P manjše od 0,01). Pitje v večernem obdobju je imelo vpliv na jutranjo mlečnost. Ugotovili smo, da količina popitevode ni imela tako izrazitega vpliva na mlečnost in sestavo mleka, z izjemo količine popite vode v večernem obdobju, v povezavi z jutranjo mlečnostjo naslednjega dne.Type of material - undergraduate thesisPublication and manufacture - Ljubljana : [A. Primožič], 2003Language - slovenianCOBISS.SI-ID - 1495176
Author
Primožič, Andreja |
Orešnik, Andrej
Other authors
Rogelj, Irena, 1955-
Topics
govedo |
krave |
molznice |
voda |
količina |
pitje |
frekvenca |
mleko |
kakovost |
zimsko obdobje |
visokošolske diplomske naloge
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Naloge Dn PRIMOŽIČ Vpliv IN: 120030265 Naloge Dn PRIMOŽIČ Vpliv IN: 120030265 |
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Database name | Field | Year |
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Primožič, Andreja | ![]() |
Orešnik, Andrej | 00486 |
Rogelj, Irena, 1955- | 08857 |
Source: Personal bibliographies
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