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| Description
| - From the dietetic point of view, it is not recommended to feed dairy cows (especially the high-producing ones) either with frozen food in winter or with aerobic deteriorated maize silage in summer. Schnier et al. (2003) relate freezing weather with the influence on milk production. Their retrospective study followed the curve of milk yield of cows bred in so called %22cold%22 system of free stabling as compared to classical system. The cows in %22cold%22 system produced one litre less milk daily but the difference was not statistically significant. The influence of changes of daily temperatures on milk production is usually related to breed of beef cattle in summer, in arid areas, or in breeding in insufficiently ventilated stables. That results from the survey processed by Kadzere et al. (2002). When strong heat and humidity last long time, high milk yield, good health and welfare of dairy cows must be preserved by combination of all available possibilities, i.e. cooling down (particularly by evaporation), correct defining and meeting of the needs of the animals from the perspective of nutrition and feeding (West 2003). High temperatures at feeding deteriorate the aerobic stability of the fodder (Koca et al. 2009, O'Kiely 1993).The first objective of this study was to ascertain the maximum depth of frozen silage in silos and to describe the response of dairy cows to frosts and frozen food. The second objective of the work was to ascertain how dairy cows respond by milk production to extreme high temperatures and how the temperature influences the aerobic stability of maize silage.
- From the dietetic point of view, it is not recommended to feed dairy cows (especially the high-producing ones) either with frozen food in winter or with aerobic deteriorated maize silage in summer. Schnier et al. (2003) relate freezing weather with the influence on milk production. Their retrospective study followed the curve of milk yield of cows bred in so called %22cold%22 system of free stabling as compared to classical system. The cows in %22cold%22 system produced one litre less milk daily but the difference was not statistically significant. The influence of changes of daily temperatures on milk production is usually related to breed of beef cattle in summer, in arid areas, or in breeding in insufficiently ventilated stables. That results from the survey processed by Kadzere et al. (2002). When strong heat and humidity last long time, high milk yield, good health and welfare of dairy cows must be preserved by combination of all available possibilities, i.e. cooling down (particularly by evaporation), correct defining and meeting of the needs of the animals from the perspective of nutrition and feeding (West 2003). High temperatures at feeding deteriorate the aerobic stability of the fodder (Koca et al. 2009, O'Kiely 1993).The first objective of this study was to ascertain the maximum depth of frozen silage in silos and to describe the response of dairy cows to frosts and frozen food. The second objective of the work was to ascertain how dairy cows respond by milk production to extreme high temperatures and how the temperature influences the aerobic stability of maize silage. (en)
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| Title
| - Influence of extreme high and low temperature on the quality of maize silage and milk yield of dairy cows
- Influence of extreme high and low temperature on the quality of maize silage and milk yield of dairy cows (en)
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| skos:prefLabel
| - Influence of extreme high and low temperature on the quality of maize silage and milk yield of dairy cows
- Influence of extreme high and low temperature on the quality of maize silage and milk yield of dairy cows (en)
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| skos:notation
| - RIV/00027014:_____/12:#0001735!RIV13-MZE-00027014
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00027014:_____/12:#0001735
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - aerobic stability, Holstein cows, milk yield, silage, temperature (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Kunc, Petr
- Knížková, Ivana
- Loučka, Radko
- Tyrolová, Yvona
- Výborná, Alena
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