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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Parturition as a selection criterion in cattle
 Rozhoňová, Lenka ; Hofmanová, Barbora (advisor) ; Vostrý, Luboš (referee)
This work is focused on the parturition as a possible selection criterion for cattle breeding. The first part of this work discusses the physiological parturition and charakters typical for natural and uncomlicated parturition. The next part deals difficult births and their causes, which are devided into genetic and nongenetic. The genetic factors are more important, because it is possible to affect them with breeding work and selection. All possible causes are discribed in detail and explained, there are required heritability by them, possible reciprocal genetic link and correlation to the charakter. At some factors , if possible, are given options as prevent problems with regard to the concrete factor. The aim is to map the factors leading to difficult births and their relation to breeding work in cattle breeding.
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