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Приказ резултата 161-168 од 168
Učestalost pojave i ekonomski značaj subkliničkih oblika mastitisa
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd i Poslovno udruženje za stočarstvo - grupacija za mlekarstvo, Beograd, 2003)
Mastitis danas predstavlja najzastupljenije oboljenje mlečnih krava širom sveta i veliki ekonomski problem. Najveće štete nastaju usled subkliničkih mastitisa, kod kojih nema vidljivih promena na mlečnoj žlezdi i u mleku. ...
The effect of the particle shape and structure on the flow ability of electrolytic copper powder II: The experimental verification of the model of the representative powder particle / Uticaj oblika i strukture čestica na tečljivost elektrolitičkog bakarnog praha II - eksperimentalna potvrda modela reprezentativne čestice praha
(Srpsko hemijsko društvo, Beograd, 2003)
An analysis of the effects of the shape, surface structure and size distribution of particles on the flow ability of the copper powder was performed. It is shown that the most important property of the particles of a powder, ...
Effect of vegetation area shape on seed yield and fertility properties of soybean cultivars / Uticaj oblika vegetacionog prostora na prinos semena i osobine rodnosti sorti soje
(Institut PKB Agroekonomik, Padinska skela, 2003)
The objective of the study was to investigate the effect of interrow spacing of three soybean cultivars differing with regard to the length of the vegetation period on yield and fertility properties. The highest average ...
Dynamics of zooplankton and bottom fauna secondary production during rearing of carp yearlings / Dinamika sekundarne produkcije zooplanktona i faune dna tokom proizvodnje jednogodišnje мlađi šarana
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2003)
Study of dynamics of zooplankton and bottom fauna secondary production during rearing of carp yearlings was carried out at the fish farm PKB "Ribarstvo", Baranda in 2002. Investigations were performed in four fish ponds ...
Effect of buckwheat seed storage duration on its quality / Uticaj starosti semena heljde na njegov kvalitet
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2003)
The effect of buckwheat seed storage duration on major indices of the quality was analyzed. Seed collected in 1996 and stored for 30 days (analyzed in 1996), seed stored for one year (analyzed in 1997), seed stored for two ...
Control of seedborne diseases caused by viruses / Mere zaštite od virusnih oboljenja koja se prenose semenom
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2003)
Effective control of seedborne viruses can be achieved by eliminating the source of infection. When seed infection is the main or only source of viruse, virus-free seed may provide a very effective mean for control of a ...
Contemporary aspects in assessment of protein needs in dairy cows / Savremeni aspekti u normiranju potreba u proteinima za krave muzare
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2003)
The aim of meeting protein needs in dairy cows is to provide sufficient degradable proteins, which are optimally used in the rumen, to provide the required level of productivity with a minimal amount of crude protein in ...
Factors affecting dry matter intake and its prediction for Holstein cows / Faktori koji utiču na konzumiranje suve materije i njeno predviđanje za krave Holštajn rase
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2003)
Many factors affects dry matter intake (DMI). Individual theories based on physical fill of the reticulorumen, metabolic-feedback factors, or oxygen consumption have been proposed to determine and predict DMI (NRC, 2001). ...