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Analyses of genetic relationships between linear type traits, fat-to-protein ratio, milk production traits, and somatic cell count in first-parity Czech Holstein cows
Holstein cattle genetic parameters milk yield somatic cell score
2015/7/2
Genetic and phenotypic correlations between production traits, selected linear type traits, and somatic cell score were estimated. The results could be useful for breeding programs involving Czech Hol...
Relationships between milk urea and production and fertility traits in Holstein dairy herds in the Czech Republic
dairy cow reproduction probability of conception
2015/6/8
The objective of this study was to determine how the concentration of milk urea (MU) and FPCM production affect reproduction in selected Holstein dairy herds in the Czech Republic. A retrospective, ob...
Effects of different forage-containing rations on metabolic parameters and milk yield in the peripartum of Holstein cows
hay silage forage
2015/6/1
To evaluate the forage effects on performance and metabolic parameters, 24 Holsteins were randomly fed one of the diets containing a forage mixture with majority of alfalfa hay (AH), alfalfa silage (A...
THE IMPORTANCE OF MONITORING CHANGES IN MILK FAT TO MILK PROTEIN RATIO IN HOLSTEIN COWS DURING LACTATION
milk fat milk fat to protein ratio quality of rennet gel
2010/12/1
Milk samples of 24 pure-bred Holstein cows were taken during lactation and changes in milk fat to milk protein ratio and quality of rennet gel were evaluated. The cows were either fi rst (n=12) or sec...