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Table 1 List and characteristics of the 44 eligible studies

From: Helminths of veterinary and zoonotic importance in Nigerian ruminants: a 46-year meta-analysis (1970–2016) of their prevalence and distribution

Year of study

Region

Host

Type of study

Method of diagnosis

Sample size

Cases

Prev. (%)

Study RN

2002

North-east

G/S

Farm-based

Microscopy

249

126

50.60

[16]

2007

North-west

C/G/S

Abattoir-based

Microscopy

300

100

33.33

[17]

2012/2013

North-central

C/G/S

Farm-based

Microscopy

326

298

91.41

[18]

2013/2014

North-central

C/G/S

Abattoir-based

Microscopy

2508

642

25.60

[19]

2016

North-east

C

Abattoir-based

Microscopy

208

187

89.90

[22]

2008

North-west

C

Abattoir-based

Macroscopy

11 804

315

2.67

[23]

2013

North-west

C

Abattoir-based

Serology

285

69

24.21

[24]

2013

South-west

C

Abattoir-based

Microscopy

397

163

41.06

[25]

2013

South-east

G

Abattoir-based

Microscopy

200

185

92.50

[26]

2013

North-central

G

Abattoir-based

Microscopy

248

183

73.79

[27]

2003/2004

North-west

C/G/S

Abattoir-based

Microscopy

76 702

61

0.08

[28]

2011

South-west

C/G/S

Farm-based

Microscopy

1171

251

21.43

[68]

2012/2013

South-south

C

Abattoir-based

Macroscopy

22 259

382

1.72

[69]

2012

North-west

C

Abattoir-based

Serology

386

66

17.10

[70]

2012

North-east

C

Abattoir-based

Macroscopy

3015

657

21.79

[71]

1973/1974

North-east

C

Abattoir-based

Macroscopy

14 270

4524

31.70

[72]

2012/2013

North-central

G/S

Market-based

Microscopy

1002

552

55.09

[73]

2009/2010

South-south

C

Abattoir-based

Microscopy

251

156

62.15

[74]

2013

North-central

C

Farm-based

Serology

686

536

78.13

[75]

2011/2012

North-west

G/S

Abattoir-based

Microscopy

300

242

80.67

[76]

2015

South-south

C

Abattoir-based

Microscopy

514

35

6.81

[77]

2005

South-west

C

Abattoir-based

Macroscopy

483

75

15.53

[78]

2010–2013

North-east

C

Abattoir-based

Macroscopy

6007

288

4.79

[79]

2016

North-east

C

Abattoir-based

Microscopy

208

62

29.81

[80]

2013

North-west

C

Abattoir-based

Microscopy

224

62

27.68

[81]

2009

North-west

C

Abattoir-based

Microscopy

200

30

15.00

[82]

1986

North-west

C

Abattoir-based

Microscopy

502

156

31.08

[83]

2011

North-west

C

Farm-based

Microscopy

1525

820

53.77

[84]

2009

South-east

C/G

Abattoir-based

Microscopy

1138

525

46.13

[85]

1991/1992

South-west

G

Abattoir-based

Microscopy

1080

896

82.96

[86]

2013

North-central

G

Abattoir-based

Microscopy

248

183

73.79

[87]

2013/2014

South-west

C/G/S

Farm-based

Microscopy

170

132

77.65

[88]

2010

North-west

C

Abattoir-based

Macroscopy

285

5

1.75

[89]

2014

South-west

G

Market-based

Microscopy

400

303

75.75

[90]

1985

South-east

C

Abattoir-based

Macroscopy

942

38

4.03

[91]

1999–2002

South-east

C

Abattoir-based

Macroscopy

25 800

6750

26.16

[92]

2010/2011

South-south

G

Abattoir-based

Microscopy

213

161

75.59

[93]

2015

North-central

C

Abattoir-based

Microscopy

160

55

34.38

[94]

1997–1999

North-central

C

Abattoir-based

Microscopy

14 372

1924

13.39

[95]

1973–1975

North-east

C/G/S

Abattoir-based

Microscopy

3322

1202

36.18

[96]

2012

North-east

C

Abattoir-based

Microscopy

350

122

34.86

[97]

2010

North-central

G/S

Abattoir-based

Microscopy

110

59

53.64

[98]

2006

North-east

G/S

Abattoir-based

Macroscopy

124 888

78

0.06

[99]

2011

North-central

C

Abattoir-based

Microscopy

500

281

56.20

[100]

  1. C: Cattle; G: Goats; S: Sheep; Prev.: Prevalence; RN: Reference number