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Comparative Study
. 2004;45(3-4):201-10.
doi: 10.1186/1751-0147-45-201.

Cumulative risk of bovine mastitis treatments in Denmark, Finland, Norway and Sweden

J P Valde  1 , L G Lawson, A Lindberg, J F Agger, H Saloniemi, O Osterås
Affiliations
Comparative Study

Cumulative risk of bovine mastitis treatments in Denmark, Finland, Norway and Sweden

J P Valde et al. Acta Vet Scand. 2004.

Abstract

Data from the national dairy cow recording systems during 1997 were used to calculate lactation-specific cumulative risk of mastitis treatments and cumulative risk of removal from the herds in Denmark, Finland Norway and Sweden. Sweden had the lowest risk of recorded mastitis treatments during 305 days of lactation and Norway had the highest risk. The incidence risk of recorded mastitis treatments during 305 days of lactation in Denmark, Finland, Norway and Sweden was 0.177, 0.139, 0.215 and 0.127 for first parity cows and 0.228, 0.215, 0.358 and 0.204 for parities higher than three, respectively. The risk of a first parity cow being treated for mastitis was almost 3 times higher at calving in Norway than in Sweden. The period with the highest risk for mastitis treatments was from 2 days before calving until 14 days after calving and the highest risk for removal was from calving to 10 days after calving in all countries. The study clearly demonstrated differences in bovine mastitis treatment patterns among the Nordic countries. The most important findings were the differences in treatment risks during different lactations within each country, as well as differences in strategies with respect to the time during lactation mastitis was treated.

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Figures

Figure 1
Figure 1
Parity distribution (per cent) by country for lactations started in 1997 among cows in the Nordic countries.
Figure 2
Figure 2
Birth distribution by country and month for calves born in 1997.
Figure 3
Figure 3
Parity specific cumulative risk of bovine mastitis treatments, in Denmark based on data from the national dairy cow recording system for 1997.
Figure 4
Figure 4
Parity specific cumulative risk of bovine mastitis treatments, in Finland based on data from the national dairy cow recording system for 1997.
Figure 5
Figure 5
Parity specific cumulative risk of bovine mastitis treatments, in Norway based on data from the national dairy cow recording system for 1997.
Figure 6
Figure 6
Parity specific cumulative risk of bovine mastitis treatments, in Sweden based on data from the national dairy cow recording system for 1997.
Figure 7
Figure 7
Relative risk of mastitis treatments for first parity cows in 1997 in Denmark, Finland and Norway compared to Sweden as baseline.
Figure 8
Figure 8
Risk of mastitis treatments in first lactating cows relative to the risk in second lactation among the Nordic countries in 1997.
Figure 9
Figure 9
Cumulative risk of removal for cows that started a new lactation in 1997.
See this image and copyright information in PMC

References

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