Mycobacteria in Terrestrial Small Mammals on Cattle Farms in Tanzania

Table 2

Rodents and insectivores trapped in and around Morogoro and the prevalence of mycobacteria in the different animal species.

Animal species	Total number of animals trapped^a	Number of groups analyzed for mycobacteria	Number of groups positive for mycobacteria	Estimated mycobacterial prevalence (95% confidence interval)	95% confidence intervals for zeroestimates of M. bovis and M. avium subsp. Paratuberculosis prevalence
Rodents
Rattus rattus (Linnaeus, 1758)	268 (216/1/51)	94	7	2.8% (1.0–5.7%)	0–0.71%
Mastomys natalensis (Smith, 1834)	165 (142/23/0)	91	12	7.5% (3.7–13.1%)	0–1.15%
Cricetomys gambianus Waterhouse, 1840	36 (12/2/22)	32	8	23.9% (10.3–42.7%)	0–5.19%
Mus spp.	29 (2/1/26)	22	0	0% (0–6.4%)	0–6.4%
Grammomys surdaster Mathey, 1971	3 (3/0/0)	3	0	0% (0–47.3%)	0–47.3%
Gerbilliscus vicina (Matschie 1911)	2 (0/2/0)	2	0	0% (0-61.7%)	0-61.7%
Squirrel (not identified)	1 (1/0/0)	1	0	0% (0–85.3%)	0–85.3%
Insectivores
Crocidura hirta Peters, 1852	137 (127/9/1)	58	15	12.5% (6.8–20.4%)	0–3.3%
Atelerix albiventris Wagner, 1841	4 (1/3/0)	4	2	50% (7.7–92.3%)	0–38.1%

^a(on cattle farms/around slaughterhouse/in Mwembesongo).