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Table 4 A comparison of official data on seroprevalence of brucellosis and the results of this study for 7 raions.

From: A Serological Survey of Ruminant Livestock in Kazakhstan During Post-Soviet Transitions in Farming and Disease Control

  

% seropositive

Sample sizes

  

Cattle

Small stock

Cattle

Small stock

Year

Raion

Official

This study

P1

Official

This study

P

Official

This study

Official

This study

1997

Suzak

0

0

-

0

1.4

NS

327

17

94

70

1998

Moinkum

0

-

-

0.7

0

NS

160

0

1203

10

1997

Sarysu

0.6

0

NS

1.12

1.3

NS

2153

36

2328

79

1997

Dzhezdin

1.1

0

NS

-

0

-

5700

59

0

203

1997

Zhana-arkin

0.5

8.7

***

0

1.8

**

5400

92

1000

171

1997

Nurin

3.8

20

**

1.5

1.6

NS

21700

25

3500

63

1998

Chalkar

4.1

0

NS

0

0

-

556

9

100

50

  1. 1P = significance of the Fisher exact test. *** p < 0.001, ** p < 0.01, NS not significant, – test could not be carried out.
  2. 2The official data are for the same year as the study except in the case of small stock in Sarysu, for which the official data are from 1996.