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Vliv změny kondice dojnic českého strakatého plemene skotu na jejich mléčnou užitkovost

This diploma thesis was made to evaluate the influence of body condition change in Czech Fleckvieh cattle to their milk production in one-year monitoring of 214 dairy cows. Their body condition was individually valued with 5-point system named Body Condition Scoring (BCS) with accuracy to 0,5 point. Body condition of these dairy cows was written down between 1 up to 2 months before calving and then between 40 up to 70 days after calving. The change in body condition between these two terms was subsequently evaluated to milk yield and the composition of milk. There was also evaluated the influence of body condition change to phase of lactation, parity and somatic cell count. Relationship between body condition change and milk yield was highly positive. Relationship between body condition change and the amount of milk fat, milk protein, fat to protein ratio, phase of lactation and somatic cell count was not proved.

Identiferoai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:427768
Date January 2019
CreatorsMaňoušková, Iveta
Source SetsCzech ETDs
LanguageCzech
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/masterThesis
Rightsinfo:eu-repo/semantics/restrictedAccess

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