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Brucellosis in dairy herds: a public health concern in the milk supply chains of West and Central Africa

Musallam, I I; Ndour, A P; Yempabou, D; Crystella Ngong, C-A; Fotsac Dzousse, M; Mouiche-Mouliom, M-M; Kameni Feussom, J M; Bosco Ntirandekura, J; Ntakirutimana, D; Fane, A; Dembele, E; Doumbia, A; Siméon Ayih-Akakpo, A A P-H; Pato, P; Pali, M; Tapsoba, A S R; Minougou Compaore, G; Gagara, H; Garba, A; Chengat Prakashbabu, B; Craighead, L; Takahashi, E; McGiven, J; Nguipdop-Djomo, P; Mangtani, P; Alambédji-Bada, R; Akakpo, A J; Guitian, J


I I Musallam

A P Ndour

D Yempabou

C-A Crystella Ngong

M Fotsac Dzousse

M-M Mouiche-Mouliom

J M Kameni Feussom

J Bosco Ntirandekura

D Ntakirutimana

A Fane

E Dembele

A Doumbia

A A P-H Siméon Ayih-Akakpo

P Pato

M Pali

A S R Tapsoba

G Minougou Compaore

H Gagara

A Garba

B Chengat Prakashbabu

L Craighead

E Takahashi

J McGiven

P Nguipdop-Djomo

P Mangtani

R Alambédji-Bada

A J Akakpo

J Guitian


Ten herd-level cross-sectional studies were conducted in peri-urban dairy production areas of seven West and Central African countries (Burkina Faso, Burundi, Cameroon, Mali, Niger, Senegal and Togo). The objectives were to estimate herd level Brucella spp. seroprevalence and identify risk factors for seropositivity.

In each of the ten study areas, herds (between 52 and 142 per area, total = 965) were selected probabilistically and a structured questionnaire was administered to gather information on their structure and management. A bulk milk sample from each herd was tested by indirect ELISA for Brucella spp. For each area, herd seroprevalence estimates were obtained after adjusting for the assumed performance of the diagnostic test. Herd level risk factors for Brucella spp. seropositivity were identified by means of stratified logistic regression, with each peri-urban zone as a stratum. Area-specific models were also explored.

Estimated herd seroprevalences were: Lomé (Togo) 62.0% (95% CI:55.0-69.0), Bamako (Mali) 32.5% (95% CI:28.0-37.0), Bujumbura (Burundi) 14.7% (95%CI:9.4-20.8), Bamenda (Cameroon) 12.6% (95% CI:7.6-21.9), Ouagadougou (Burkina Faso) 3.0% (95% CI:1.0-9.1), Ngaoundere (Cameroon) 2.3% (95% CI:1.0-7.0), Thies (Senegal) 1.3% (95% CI:0.1, 5.3), Niamey (Niger) 1.2% (95% CI:0.08-5.3), Dakar (Senegal) 0.2% (95% CI:0.01-1.7) and Niakhar (Senegal)


Musallam, I. I., Ndour, A. P., Yempabou, D., Crystella Ngong, C., Fotsac Dzousse, M., Mouiche-Mouliom, M., …Guitian, J. (in press). Brucellosis in dairy herds: a public health concern in the milk supply chains of West and Central Africa. Acta Tropica, 197,

Journal Article Type Article
Acceptance Date May 28, 2019
Deposit Date Jun 1, 2019
Publicly Available Date Jun 3, 2019
Journal Acta Tropica
Print ISSN 0001-706X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 197
Keywords Brucellosis; dairy herds; milk; cattle; peri-urban; Africa; zoonosis
Public URL


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