About: Effect of barn airspace temperature on composition and technological parametres of bulk milk produced by dairy cows of czech fleckvieh and holstein breeds     Goto   Sponge   NotDistinct   Permalink

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  • On two farms (A and B), samples of bulk milk produced by dairy cows of the Holstein (H) and Czech Fleckvieh (CF) breeds were collected every week on the same day within the time interval of 36 weeks. The aim of this sampling was to determine the effect of barn airspace temperature on milk compositon and its technological parameters. The following average values of all bulk milk samples (n = 72) were recorded: barn airspace temperature (BAT) 12.08 °C; rennet coagulation time (RCT) 211 sec.; curd quality class (CQC) 1.53; titratable acidity (TA) 7.16 °SH; protein content (P) 3.46 %; fat content (F) 4.09 %; lactose content (L) 4.79 %; and solids non fat (SNF) 8.86 %. As compared with H, dairy cows of CF breed produced milk with statistically significantly higher (P < 0.01) contents of P (+0.27 %) and SNF (+0.26 %). The remaining differences were statistically insignificant (P > 0.05): BAT (-2 °C); RCT (-4 sec.); CQC (0 class); TA (+0.11 °SH); F (+0.05 %) and L (-0.03 %). As far as the effect of temperature was concerned, calculated correlation coefficients and plotted graphs indicated a marked effect of BAT on RCT; F and P. This effect was in all cases markedly negative: at lower BAT, F and P values were higher and RCT longer while at higher temperatures they were lower and shorter.
  • On two farms (A and B), samples of bulk milk produced by dairy cows of the Holstein (H) and Czech Fleckvieh (CF) breeds were collected every week on the same day within the time interval of 36 weeks. The aim of this sampling was to determine the effect of barn airspace temperature on milk compositon and its technological parameters. The following average values of all bulk milk samples (n = 72) were recorded: barn airspace temperature (BAT) 12.08 °C; rennet coagulation time (RCT) 211 sec.; curd quality class (CQC) 1.53; titratable acidity (TA) 7.16 °SH; protein content (P) 3.46 %; fat content (F) 4.09 %; lactose content (L) 4.79 %; and solids non fat (SNF) 8.86 %. As compared with H, dairy cows of CF breed produced milk with statistically significantly higher (P < 0.01) contents of P (+0.27 %) and SNF (+0.26 %). The remaining differences were statistically insignificant (P > 0.05): BAT (-2 °C); RCT (-4 sec.); CQC (0 class); TA (+0.11 °SH); F (+0.05 %) and L (-0.03 %). As far as the effect of temperature was concerned, calculated correlation coefficients and plotted graphs indicated a marked effect of BAT on RCT; F and P. This effect was in all cases markedly negative: at lower BAT, F and P values were higher and RCT longer while at higher temperatures they were lower and shorter. (en)
Title
  • Effect of barn airspace temperature on composition and technological parametres of bulk milk produced by dairy cows of czech fleckvieh and holstein breeds
  • Effect of barn airspace temperature on composition and technological parametres of bulk milk produced by dairy cows of czech fleckvieh and holstein breeds (en)
skos:prefLabel
  • Effect of barn airspace temperature on composition and technological parametres of bulk milk produced by dairy cows of czech fleckvieh and holstein breeds
  • Effect of barn airspace temperature on composition and technological parametres of bulk milk produced by dairy cows of czech fleckvieh and holstein breeds (en)
skos:notation
  • RIV/62156489:43210/11:00178446!RIV12-MSM-43210___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
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  • Z(MSM6215648905)
http://linked.open...iv/cisloPeriodika
  • 6
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  • 196183
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  • RIV/62156489:43210/11:00178446
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  • technological parameters; composition; Holstein; barn airspace temperature; milk; Czech Fleckvieh (en)
http://linked.open.../riv/klicoveSlovo
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  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [7289250A3193]
http://linked.open...i/riv/nazevZdroje
  • Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • LIX
http://linked.open...iv/tvurceVysledku
  • Chládek, Gustav
  • Falta, Daniel
  • Hanuš, Oto
  • Polák, Ondřej
http://linked.open...n/vavai/riv/zamer
issn
  • 1211-8516
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  • 43210
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