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Table 3 Spatio-temporal patterns of environmental covariates of variability in GIN transmission risk on Alberta pasture between 2008 and 2010

From: Where’s the risk? Landscape epidemiology of gastrointestinal parasitism in Alberta beef cattle

Parameter

Polygon

Mean ± SEM

ANOVA

2008

2009

2010

GDD Total (base 5 °C)

8

867.5 ± 10.0

979.5 ± 46.5

865.1 ± 35.0

F735,2 = 3.8

10

814.5 ± 31.7

852.4 ± 28.2

803.2 ± 12.4

F996,2 = 1.0

12

795.8

799.6

726.2

-

13

749.2

769.6

663.3

-

14

865.7 ± 21.0

902.9 ± 28.1

804.9 ± 15.6

F729,2 = 4.9

15

937.6 ± 18.6

950.4 ± 18.0

855.0 ± 15.4

F4788,2 = 8.9***

18

881.8 ± 25.0

892.2 ± 22.7

812.1 ± 23.1

F673,2 = 3.4

19

875.4 ± 17.5

893.6 ± 13.2

803.2 ± 12.4

F1104,2 = 10.8**

Acc. Precip. (mm)

8

98.6 ± 8.0

204.4 ± 32.7

158.8 ± 28.3

F735,2 = 4.4

10

181.4 ± 10.3

137.2 ± 12.0

178.2 ± 13.9

F996,2 = 5.3*

12

175.8

190.3

174.3

-

13

181.3

206.6

285.2

-

14

144.6 ± 16.5

190.3 ± 7.4

271.7 ± 16.5

F729,2 = 20.7*

15

127.46 ± 7.5

183.4 ± 7.1

217.3 ± 8.5

F4788,2 = 34.4***

18

113.3

124.1 ± 9.8

208.0 ± 21.6

-

19

114.9 ± 12.3

120.0 ± 6.8

210.9 ± 21.8

F1104,2 = 13.0**

Maximum Temp. (°C)

8

20.8 ± 0.4

19.6 ± 0.6

19.0 ± 0.4

F735,2 = 3.5*

10

19.3 ± 0.32

18.5 ± 0.5

17.8 ± 0.3

F996,2 = 3.5*

12

18.7 ± 0.6

17.8 ± 0.8

17.4 ± 0.6

F366,2 = 1.0

13

18.7 ± 0.6

17.7 ± 0.8

16.7 ± 0.4

F489,2 = 3.6*

14

18.9 ± 0.4

17.8 ± 0.6

17.1 ± 0.4

F729,2 = 3.4*

15

19.8 ± 0.2

18.9 ± 0.2

18.0 ± 0.2

F4788,2 = 22.9***

18

19.4 ± 0.4

18.5 ± 0.4

17.5 ± 0.3

F673,2 = 5.4**

19

19.2 ± 0.3

18.5 ± 0.4

17.5 ± 0.3

F1104,2 = 6.6***

Minimum Temp. (°C)

8

4.1 ± 0.4

4.6 ± 0.4

4.5 ± 0.3

F735,2 = 0.7

10

3.2 ± 0.3

3.0 ± 0.3

3.3 ± 0.3

F996,2 = 0.3

12

3.3 ± 0.5

2.8 ± 0.5

3.4 ± 0.5

F366,2 = 0.4

13

2.3 ± 0.5

2.9 ± 0.5

3.0 ± 0.3

F489,2 = 0.8

14

4.6 ± 0.4

4.8 ± 0.4

5.2 ± 0.3

F729,2 = 0.7

15

4.5 ± 0.1

4.8 ± 0.2

5.2 ± 0.1

F4788,2 = 6.5**

18

4.0 ± 0.4

4.7 ± 0.3

5.4 ± 0.2

F673,2 = 4.6**

19

4.1 ± 0.3

3.8 ± 0.3

4.5 ± 0.2

F1104,2 = 2.1

  1. *p < 0.05; **p < 0.01; ***p < 0.001