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Genetic parameters for female fertility and milk production traits in first-parity Czech Holstein cows
dairy cattle reproduction production
2015/6/23
The aim of this study was to estimate genetic parameters for female fertility and production
traits in first-parity Czech Holstein cows and to quantify the effect of using this information on the ac...
Relationships between the incidence of health disorders and the reproduction traits of Holstein cows in the Czech Republic
health fertility parameters dairy cows
2015/6/4
The objective of this study was to evaluate the relationships between several health disorders: milk fever (MF; hypocalcaemia and parturient paresis), retained placenta (RP; retained foetal membranes)...
Phenotypic Relationship between Lactation Persistency and Change in Body Condition Score in First-lactation Holstein Cows
Body Condition Score Cow Lactation Persistency
2016/5/6
We examined the correlations between lactation curve shape, including persistency and changes in body condition score (BCS) during early-stage (0 to 30 days in milk (DIM)), nadir-stage (31 to 90 DIM),...
Genetic Relationships between MUN, and Predicted DCPun in Hokkaido Holstein Cows
Hokkaido Holstein Milk Urea Nitrogen Predicted Digestive Crude Protein Herd-test-day Combined Effect of Age-Season and DIM Multi-Traits Repeatability Model
2016/4/19
This study aimed to use field data collected by the Hokkaido Dairy Cattle Milk Recording and Testing programs to estimate genetic parameters for concentration of milk urea nitrogen (MUN) and predicted...