Herd-level factors for Brucella seropositivity in cattle reared in smallholder dairy farms of Zimbabwe

Preventive Veterinary Medicine
G MatopeE Skjerve

Abstract

A cross-sectional study was conducted to investigate factors for Brucella seropositivity in smallholder dairy cattle herds from Gokwe, Marirangwe, Mushagashe, Nharira, Rusitu and Wedza areas located in different agro-ecological regions of Zimbabwe between September 2004 and November 2005. Sera were collected from cattle aged > or = 2 years from 203 herds. Data on herd-level and management variables were collected using a structured questionnaire. Sera were screened for anti-Brucella antibodies using the Rose Bengal test (RBT) and confirmed by competitive ELISA (c-ELISA). A herd was classified as Brucella seropositive if at least one animal tested seropositive on both tests. The herd-level factors for Brucella seropositivity were tested using multivariable logistic model with herd infection status as dependent variable while the levels of exposure in individual animals within-herds were analysed by negative binomial regression using the number of positive animals as the outcome. Of the 203 herds tested, 52 (25; 95% CI: 18.1, 31.9%) tested seropositive for brucellosis. Using the logistic regression model we identified area, with both Rusitu (OR=0.26; 95% CI: 0.07, 1.03) and Wedza (OR=0.07; 95% CI: 0.01, 0.49) having lower Brucell...Continue Reading

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Citations

Feb 18, 2011·Tropical Animal Health and Production·Gift MatopeEystein Skjerve
Jun 28, 2011·Tropical Animal Health and Production·Silvester Maravanyika ChikeremaE Bhebhe
Sep 29, 2011·Tropical Animal Health and Production·John Bwalya MumaHenry Mwelwa Chimana
May 19, 2010·Epidemiology and Infection·G MatopeE Skjerve
Jan 19, 2013·The Onderstepoort Journal of Veterinary Research·Calvin GomoHenriette Van Heerden
May 17, 2011·Preventive Veterinary Medicine·J GodfroidJ-J Letesson
Mar 10, 2015·Preventive Veterinary Medicine·P H BamaiyiS N Hashim
Oct 30, 2016·Acta Tropica·Ana Lourdes Arrais de Alencar MotaVítor Salvador Picão Gonçalves
Oct 4, 2016·Tropical Animal Health and Production·Mohamed BarkallahImen Fendri
Oct 28, 2016·Tropical Animal Health and Production·Samuel SwiswaSilvester M Chikerema
Jul 25, 2020·PLoS Neglected Tropical Diseases·Bedaso Mammo EdaoJames L N Wood
Sep 13, 2020·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Olga Lucia Herrán RamirezIsabele da Costa Angelo
Mar 18, 2021·Scientific Reports·Gregory SimpsonJacques Godfroid

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