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Table 1 Data from 13 Norwegian farms where sheep and cattle were co-grazing in 2008

From: Possible cross-infection of Dichelobacter nodosus between co-grazing sheep and cattle

Farm

Sheep

Cows

Housing

Co-grazing

 

Flocksize, winter 1

Breed

Herd size 1

Breed

 

Only heifers/dry cows

All cattle

Group I

       

1a

180 (4)

NKS

16 (10)

NRF

Tie stall

 

x

2a

280 (5)

NKS

89 (18)

NRF

Free stall

x

 

3a

270 (7)

NKS

85 (10)

J

Free stall

x

 

4a

150 (10)

NKS

41 (10)

NRF

Tie stall

x

 

5a

202 (17)

NKS

13 (10)

NRF

Tie stall

 

x

Group II

       

6b

35 (10)

NKS

77 (10)

NRF/H

Free stall

x

 

7b

25 (10)

NKS

38 (10)

NRF

Free stall

 

x

8b

50 (10)

NKS

27 (10)

NRF

Free stall

 

x

9b

46 (10)

NKS

33 (10)

NRF/H/J

Free stall

x

 

10c

50 (10)

NKS

45 (10)

NRF

Free stall

 

x

11c

45 (10)

NKS

65 (10)

NRF/H

Free stall

x

 

12c

100 (10)

NKS

68 (10)

NRF/H

Free stall

x

 

13c

200 (10)

NKS

67 (10)

NRF/H

Free stall

x

 
  1. 1Number of samples in brackets
  2. 220 sheep bought from farm 3 and 4 winter 2008
  3. aSevere footrot previously recorded in sheep flock
  4. bMild footrot previously recorded in sheep flock
  5. cNo footrot previously recorded in sheep flock
  6. NKS = Norwegian White Sheep, mainly
  7. NRF = Norwegian Red Cattle
  8. H = Holstein
  9. J = Jersey