Dairy Management in Larger Herds

Risk management of paratuberculosis in dairy herds

Risk management of paratuberculosis (Johne's disease) in a dairy herd requires an assessment of the likelihood of paratuberculosis occurring in the herd, the economic impact of paratuberculosis on the herd and an evaluation of measures that can be taken to reduce this likelihood and impact.The likelihood of paratuberculosis occurring in the herd is related to the regional herd-level prevalence ...

Management of Calving in Norwegian Cubicle-Housed Dairy Herds

Sixty of the 65 dairy farms with cubicle houses in the Norwegian county of Oppland were included in a field study of the management of calving in 1990. The farmers recorded the location of the cow when giving birth, farmer presence and whether assistance was given during calving, occurrence of suckling, and time after birth when cow and calf were separated. Such data were recorded for a total o...

Euthanasia in Danish Dairy Herds

Peter T. Thomsen1,2, Tine Rousing1, Jan Tind Sørensen1 & Anne Mette Kjeldsen3 Danish Institute of Agricultural Sciences, Department of Animal Health and Welfare, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark, The Royal Veterinary and Agricultural University, Department of Animal Science, Grønnegårdsvej 8, DK-1870 Frederiksberg C, Denmark, Danish Cattle Federation, Udkærsvej 15, Sk...

Management Strategies to Optimize Reproductive Performance of Dairy Herds

Calf mortality in Norwegian dairy herds.

The aims of this study were to estimate mortality rates in Norwegian dairy calves and young stock up to 1 yr of age, identify risk factors for calf mortality, and evaluate the etiology of calf mortality based on postmortem analyses. The material comprised 3 data sets. The first data set included information on 289,038 offspring in 14,474 dairy herds registered in the Norwegian Dairy Herd Record...