Приказ основних података о документу
Influence of Fixed and Continuous Environmental Factors on Production 4% Fat-Corrected Milk in the First Three Lactations in Simmental Cows
Uticaj fiksnih i kontinuelnih ambijentalnih faktora na proizvodnju 4% mast-korigovanog mleka u prve tri laktacije kod krava simentalske rase
dc.creator | Petrović, Milun | |
dc.creator | Bogdanović, Vladan | |
dc.creator | Bogosavljević-Bošković, Snežana | |
dc.creator | Rakonjac, Simeon | |
dc.creator | Djoković, Radojica | |
dc.creator | Petrović, Miloš | |
dc.date.accessioned | 2020-12-17T23:15:23Z | |
dc.date.available | 2020-12-17T23:15:23Z | |
dc.date.issued | 2016 | |
dc.identifier.uri | http://aspace.agrif.bg.ac.rs/handle/123456789/5614 | |
dc.description.abstract | The effect of paragenetic factors on 4% FCM yield in complete and standard lactations was studied in 241 Simmental cows. Farm, lactation number, birth season, calving season, their interactions and age at first conception were evaluated for their effect on the trait. The mathematical and statistical analysis of the data obtained, i.e. least square means, standard error, analysis of variance and coefficient determination, were calculated using the General Linear Model procedure. The effects of farm, lactation group and year of birth on the trait were very highly significant (P lt 0.001). Birth season and calving season had no statistically significant effect (P> 0.05) on the production of 4% FCM, either in whole or in standard lactations. The interaction between birth season, calving season and year of birth was variable and ranged from insignificant to very significant. Age at first conception produced a significant (P lt 0.05) and non-significant (P>0.05) effect on 4% FCM yield in complete and standard (bxy=0.693ns) lactations, respectively. | en |
dc.description.abstract | Uticaj paragenetskih faktora na proizvodnju 4%MKM u celim i standardnim laktacijama ispitivan je na uzorku od 241 krave simentalske rase. Na ispoljenost ove osobine ispitivan je uticaj farme, broja laktacija, sezone rođenja i telenja, njihovih interakcija i uzrasta pri prvoj oplodnji. Matematičko-statistička analiza podataka, odnosno sve potrebne veličine, kao što su sredine najmanjih kvadrata, standardne greške, analiza varijanse i koeficijenti determinacije izračunate su u programskoj proceduri Opšti linearni model (GLM procedura). Uticaj farme, grupe laktacija i godine rođenja na ispoljenost ove osobine bio je vrlo visoko značajan (P lt 0.001). Sezona rođenja i telenja nije statistički značajno uticala (P>0.05) na proizvodnju 4%MKM kako u celim tako i standardnim laktacijama. Uticaj interakcije između sezone rođenja,, sezone telenja i godine rođenja bio je varjabilan, i kretao se od nesignifikantnog do vrlo značajnog. Uzrast pri prvoj oplodnji statistički značajno (P lt 0.05) je uticao na proizvodnju 4%MKM u celim laktacijama, dok njegov uticaj na proizvodnju 4%MKM u standardnim laktacijama nije bio signifikantan (P>0.05). Koeficijenta determinacije (R2) bio je vrlo visoko značajan (p lt 0.001) i kretao se od 0.623 kod proizvodnje 4%MKM u celim do 0.652 kod proizvodnje 4%MKM u standardnim laktacijama. | sr |
dc.rights | openAccess | |
dc.source | 21. Savetovanje o biotehnologiji sa međunarodnim učešćem, Čačak, 11.- 12. 03. 2016. | |
dc.subject | Simmental breed | en |
dc.subject | calving season | en |
dc.subject | age at first conception | en |
dc.subject | 4%FCM | sr |
dc.subject | simentalska rasa | sr |
dc.subject | 4%MKM | sr |
dc.subject | sezona telenja | sr |
dc.subject | uzrast pr prvoj oplodnji | sr |
dc.title | Influence of Fixed and Continuous Environmental Factors on Production 4% Fat-Corrected Milk in the First Three Lactations in Simmental Cows | en |
dc.title | Uticaj fiksnih i kontinuelnih ambijentalnih faktora na proizvodnju 4% mast-korigovanog mleka u prve tri laktacije kod krava simentalske rase | sr |
dc.type | conferenceObject | |
dc.rights.license | ARR | |
dc.identifier.fulltext | http://aspace.agrif.bg.ac.rs/bitstream/id/4118/5611.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_agrospace_5614 | |
dc.type.version | publishedVersion |