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Faktory ovlivňující preferenci boxové řady a frekvenci výskytu u krmného stolu u dojnic holštýnského skotu

The aim of this study was to clarify factors affecting preference pit row and the frequency and the occurence of feeding table by Holstein cows. The investigated factors were milk yelds, seasons, temperature in the stable, lactation number and stage of lactation. The investigation was dated from February 20140 to January 2015 once per month in the course of 12 hours. The selected cote contains 52 boxes. We monitored preference of the box row by diary cows and the frequency of the occurence by the feeding table. During the monitoring we were writing down if diary cows were standing or lying. By lying doary cows, we monitored the preference of the lying side. For survey we used group shots method. Results were under the statistic analysis by Statistica 10.0 program. Results follows that diary cows in dependence on milk production prefered row number 1 or preferencies were equal. Differences between rows were not statistically conclusive (P > 0,05). When lying, diary cows prefered lying on the left side in both rows. Frequency occurence by feeding table was the highest by diary cows with daily yielding between 30,1 and 40 kg of milk. The influence of season: we discovered that in spring season and summer season diary cows prefered row number 1 (P < 0,01) and in autumn and winter season they prefered row number 2. In spring and winter was prefered lying on the left side unline summer, when they prefered right side. During autumn diary cows situated in row number 1 prefered right side and in row number 2 left side. Attendance the feeding table was during the year balanced. The influence of temeprature: Difference in preferences rows 1 or 2 were statistically conclusing (P > 0,05). Results of our monitoring show that diarycows prefered row number 1 and lying on the left side.

Identiferoai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:250270
Date January 2015
CreatorsPlesníková, Lenka
Source SetsCzech ETDs
LanguageCzech
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/masterThesis
Rightsinfo:eu-repo/semantics/restrictedAccess

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