Table 2 Summary of data from studies of G. duodenalis in dogs worldwide, 2010–2020.

From: Occurrence and genotypes of Cryptosporidium spp., Giardia duodenalis, and Blastocystis sp. in household, shelter, breeding, and pet market dogs in Guangzhou, southern China

Location

Period

Methods

No. examined

No. positive (%)

Populations

Species/assemblages/subtypes (n)

References

China

2015

PCR

484

62 (12.8)

Pet

D (15), C (5), F (1)

14

China

2010–2011

PCR

209

23 (11)

Pet

D (18), A (5)

12

China

2016–2017

PCR

527

57 (10.8)

Stray

A (26), C (18), D (13)

13

China

2011–2014

PCR

485

127 (26.2)

Household, pet

A (23), B (1), C (26), D (58)

11

Spain

2014–2016

DFM, qPCR

348

127 (36.5)

Sheltered, breeding, hunting, shepherd, pet

A (5), B (8), C (2), D (13)

24

China

2013–2014

PCR

267

12 (4.5)

Pet and stray

C (7), E (5)

18

China

2011

PCR

205

27 (13.2)

Police and farm

A (25), C ( 2)

25

China

2017–2018

PCR

641

60 (9.4)

Pet

C (27), D (26)

19

Korea

2017–2018

PCR

640

99 (15.5)

Sheltered, companion, special purpose

C (16), D (24)

26

  1. DFM direct fluorescence microscopy.