scholarly journals Animal Brucellosis: Seroprevalence, Isolation and Molecular Detection in Southern and Central Ethiopia

2021 ◽  
Author(s):  
Bayeta Senbeta ◽  
Edilu Jorga ◽  
Matios Lakew ◽  
Abebe Olani ◽  
Biniam Tadesse ◽  
...  
Keyword(s):  
Molecular Detection ◽  
Small Ruminants ◽  
Vaginal Swab ◽  
Molecular Techniques ◽  
Serum Samples ◽  
Public Health Importance ◽  
Cross Sectional ◽  
Central Ethiopia ◽  
Herd Level ◽  
Blood Clots

Abstract Background: Brucellosis is one of the most frequent contagious neglected bacterial diseases with serious veterinary and public health importance throughout the world. A cross-sectional study on animal brucellosis was conducted from October 2018 to July 2019 in southern and central Ethiopia with the objective of estimating seroprevalence and molecular detection. Blood samples were collected for serum extraction from a total of 4274 individual animals (cattle, small ruminants and camel) from 241 herds/flocks. Blood clots from seropositive animals were also tested for brucellosis via molecular techniques. Additionally, 13 vaginal swab samples were collected from animals with recent abortion history for bacterial isolation and molecular detection.Results: The extracted serum samples were tested using multispecies I-ELISA and the overall individual animal and herd level seroprevalence was 3.95% (169/4274) and 18.26% (44/241) respectively. The animal level seroprevalence at species level was 1.58%, 8.89%, 12.44% in bovine, small ruminants (sheep and goat) and camel, respectively. Herd level seroprevalence were 5.43%, 52.08%, 100% in bovine, small ruminant and camel, respectively. The animal and herd level seroprevalence of bovine from intensive and extensive systems was 1.1%, 2.87% and 9.2%, 50.00% respectively. Brucella species was isolated from 6/13 (46.15%) vaginal swab samples cultured on brucella selective agar, and shown to be B.melitensis using Real-Time PCR. All of the blood clots from seropositive animals were negative for the presence of Brucellaspp with PCR.Conclusions: In the regions sampled animals in all three categories – cattle, sheep/goats, and camels – mostly had low seroprevalence rates for brucellosis, without great differences from previous serosurveys done in Ethiopia. However, seropositivity for camels was higher than what has been reported previously. Also, there was a notable difference in this study in cattle seroprevalence when comparing extensive with intensive systems, with the extensive system being much higher.

scholarly journals Seroprevalence and risk factors for brucellosis in small ruminant flocks in Karnataka in the Southern Province of India

2021 ◽  
pp. 2855-2862
Author(s):  
Krithiga Natesan ◽  
Triveni Kalleshamurthy ◽  
Mangadevi Nookala ◽  
Chaitra Yadav ◽  
Nagalingam Mohandoss ◽  
...  
Keyword(s):  
Risk Factors ◽  
Small Ruminant ◽  
Significant Risk ◽  
Small Ruminants ◽  
Enzyme Linked Immunosorbent Assay ◽  
Serum Samples ◽  
Public Health Importance ◽  
Cross Sectional ◽  
Farm Level ◽  
History Of

Background and Aim: Brucellosis is a zoonotic disease of high economic and public health importance in large and small ruminant populations worldwide. A cross-sectional study was conducted to determine the seroprevalence and risk factors of brucellosis in small ruminants in organized farms in the southern region of India. Materials and Methods: Farms exclusively rearing sheep and goats were selected based on the number of animals (small, medium, or large) and the location of the farm (urban, periurban, or rural). A total of 1499 serum samples; 1001 from sheeps and 498 from goats were sourced from six sheep and four goat farms and tested using Rose Bengal Plate and indirect Enzyme-Linked Immunosorbent Assay tests. Results: The apparent prevalence of brucellosis was higher in sheep (8.29%, 95% CI 6.7-10.1) than goats (5.82%, 95% CI 4.0-8.2). The true adjusted population level seroprevalence was also higher in sheep, at 7.7% (95% CI 6.0-9.6) than in goats, at 5.1% (95% CI 3.2-7.6). According to bivariate categorical analysis, six highly significant (p<0.001) animal- and farm-level risk factors for sheep were age, breed, number of lambings, history of abortion, rural farms, and presence of dogs on the farm. In goats, five significant risk factors were found: History of abortion, separate sheds, dogs on the farm, weekly veterinary consultation, and lack of brucellosis awareness. In a logistic regression model, abortion (OR adjusted 10.8, 95% CI 1.2-96.12), rural farms (OR adjusted 8.5, 95% CI 3.6-20.0), and absence of separate sheds on the farms (OR 1.9, 95% CI 1.1- 3.5) were found to be significant risk factors for ovine brucellosis. Conclusion: The use of complementary measures to tackle the multiple animal- and farm-level risk factors may help to reduce the disease burden in the absence of a vaccination policy for small ruminants in India.

scholarly journals Leptospirosis in Ruminants in Yogyakarta, Indonesia: A Serological Survey with Mixed Methods to Identify Risk Factors

2021 ◽  
Vol 6 (2) ◽  
pp. 84
Author(s):  
Dyah Ayu Widiasih ◽  
Johanna Frida Lindahl ◽  
Wayan T. Artama ◽  
Adi Heru Sutomo ◽  
Pande Made Kutanegara ◽  
...  
Keyword(s):  
Risk Factor ◽  
Management Practices ◽  
Small Ruminants ◽  
Case Fatality ◽  
Open Water ◽  
Serum Samples ◽  
Public Health Importance ◽  
Group Discussions ◽  
The Individual ◽  
And Behavior

Leptospirosis is a zoonotic disease occurring worldwide with reproductive symptoms and production losses in livestock, while humans can suffer fatal renal failure. In Yogyakarta Special Province, Indonesia, there have been several outbreaks with high case fatality, demonstrating the public health importance, but there is limited understanding of the epidemiology. This study used an EcoHealth approach to ensure transdisciplinarity and community participation. Seroprevalence of Leptospira in animals was studied between October 2011 and May 2013 in 15 villages. Serum samples from 1404 cattle and 60 small ruminants were screened by a Microscopic Agglutination Test (MAT), first in pools, and then the individual positive samples were identified. Focus group discussions including farmers, village officials, and official stakeholders were used to explore knowledge and behavior of zoonotic diseases, particularly leptospirosis. Two small ruminants were seropositive for Leptospira icterohemorrhagiae. From the cattle, 3.7% were seropositive, and the most common serovars were Leptospira hardjo, followed by L. icterohemorrhagiae. Out of all farms, 5.6% had at least one positive cattle. Risk factor analyses showed that the risk of the farm being seropositive increased if the farmer used water from an open source, or if farming was not the main occupation. This study showed the presence of Leptospira spp. in ruminants in Yogyakarta and identified use of open water as a risk factor for the livestock. We also observed that the knowledge related to leptospirosis was low, and risky farm management practices were commonly employed.

Sero - Prevalence and Risk Factors of Cattle and Human Brucellosis at Seka Chokorsa and Shebe Sonbo Jimma Zone Districts, South West Ethiopia

2019 ◽  
Author(s):  
Ftsum Assefa Tokon ◽  
Benti Deresa Gelalcha ◽  
Teferi Benti Moti ◽  
Redeat Belaneh Alemu ◽  
Hailu Degefu Awash
Keyword(s):  
Public Health ◽  
Risk Factors ◽  
Brucella Abortus ◽  
Enzyme Linked Immunosorbent Assay ◽  
Human Brucellosis ◽  
Bacterial Disease ◽  
Serum Samples ◽  
Public Health Importance ◽  
Herd Level ◽  
Jimma Zone

Abstract Background: Brucellosis is contagious bacterial disease of major socio-economic and public health importance globally and it is also one of the priority zoonotic diseases in Ethiopia. Across-sectional epidemiological study was carried out from April 2017 to April 2018 to estimate the sero prevalence of bovine and human brucellosis and to assess the associated risk factors of brucellosis in Seka Chokorsa and Shebe Sonbo districts of Jimma zone. Results: The overall prevalence of cattle brucella infection at individual and herd level were 5.9% (95%CI: 4.1%-8.1%) and 26.6 (95%CI: 19.1%-35.3%) based on diagnosis using commercial kits of the competitive enzyme-linked Immunosorbent assay (CELISA) from Brucella abortus antibodies. Univariate logistic regression analysis at individual animal level showed that animals from large herd size and households which had a practice of introduction of new animals in their herds were 3.7 and 2.3 times more likely to be seropositive, respectively. The same scenario has been observed at herd level. Molecularly, five Brucella abortus was identified as the species affecting cattle in the study areas. From the total human serum samples tested only one serum was found to be positive for CFT and thus the prevalence is 0.42 %,( 95%CI: 0.01%-2.38%). From 238 respondents, 90% of them drink raw milk and milk products, and 70% of them also eat raw meat. Furthermore, slaughtering, assisting during delivery and poor management of aborted material is a common practice that favor transmission of the pathogen in the area. Conclusions: In conclusion, the results of this study showed that brucellosis is an important and widely distributed disease in cattle in the study areas. The finding of the infection in human indicates the public health importance of brucellosis in the area. The risk behaviors and practices observed suggests the need to design all-inclusive health programmes, such one-health approach aimed at controlling brucellosis spread in the study area.

scholarly journals Seroprevalence and associated risk factors of leptospirosis in slaughter pigs; a neglected public health risk, western Kenya

2019 ◽  
Vol 15 (1) ◽  
Author(s):  
Jeremiah N. Ngugi ◽  
Eric M. Fèvre ◽  
Georgies F. Mgode ◽  
Mark Obonyo ◽  
Ginethon G. Mhamphi ◽  
...  
Keyword(s):  
Public Health ◽  
Risk Factors ◽  
Production Systems ◽  
Lake Victoria ◽  
Risk Groups ◽  
Lake Victoria Basin ◽  
Serum Samples ◽  
Public Health Importance ◽  
Cross Sectional ◽  
Slaughter Pigs

Abstract Background Leptospirosis is a neglected zoonosis of public health importance transmitted through contact with contaminated soil, water or urine of infected animals. In pigs the disease is characterized by abortion, still births and weak piglets. A cross-sectional study was conducted in May to July 2018 to estimate the sero-prevalence of leptospirosis and factors associated with seropositivity in slaughter pigs. A questionnaire was used to collect information on animal demographics. Serum was tested for anti-leptospiral antibodies using microscopic agglutination test (MAT) with a panel of 8 serovars. Sera were considered positive for sero-reactivity at a MAT titre ≥1:40 against at least one serovar. Chi-square tests were used to measure the strength of association between the MAT test result and exploratory variables. Results A total of 252 pig serum samples from seven slaughterhouses were tested for Leptospira antibodies by MAT. Of the 252 pigs sampled, 88.8% (244/252) were indigenous breeds; 55.6% (140/252) were female and 88.7% (220/252) were reared in extensive production systems. Eighty-three (32.9%; 83/252) sera samples tested positive on MAT against at least one serovar. Of the 8 serovars, the highest prevalence was recorded for serovar Lora 21.4% followed by Kenya 5.2%, Sokoine 3.6% and Grippotyphosa at 3.2%. Risk factors for leptospirosis seropositivity in pigs were: originating from farms with other types of livestock (OR 2.3; 95% CI 1.0–4.5) and mature pigs (OR 1.9; 95% CI 1.1–3.3). Conclusion This study demonstrates that there is a high prevalence of leptospirosis positive pigs at slaughter in a small-holder livestock keeping region of the Lake Victoria basin. The potential for cross species transmission of pathogenic serovars is highlighted as well as the potential for occupational exposure to slaughterhouse personnel. Improvements in husbandry practices (confinement and rodent control) and public health education among slaughterhouse workers and other high-risk groups is recommended.

scholarly journals Epidemiological study on foot-and-mouth disease in small ruminants: sero-prevalence and risk factor assessment in Kenya

2020 ◽  
Author(s):  
Eunice C. Chepkwony ◽  
George C. Gitao ◽  
Gerald M. Muchemi ◽  
Abraham K. Sangula ◽  
Salome W. Kairu-Wanyoike
Keyword(s):  
Risk Factors ◽  
Virus Transmission ◽  
Small Ruminants ◽  
Foot And Mouth Disease ◽  
Mouth Disease ◽  
Cluster Sampling ◽  
Serum Samples ◽  
Cross Sectional ◽  
Production Type ◽  
Foot And Mouth

AbstractFoot-and-mouth disease (FMD) is endemic in Kenya affecting cloven-hoofed ruminants. The epidemiology of the disease in small ruminants (SR) is not documented. We carried out a cross-sectional study, the first in Kenya, to estimate the sero-prevalence of FMD in SR and the associated risk factors nationally. Selection of animals to be sampled used a multistage cluster sampling approach. Serum samples totaling 7564 were screened for FMD antibodies of Non-Structural-Proteins using ID Screen® NSP Competition ELISA kit. Data were analysed using Statistical Package for Social Studies Version 20. To identify the risk factors, chi-square and logistic regression analyses were used. The country animal level sero-prevalence was 23.3% (95% CI: 22.3-24.3%) while herd level sero-prevalence was 77.6% (95% CI: 73.9-80.9%). Sero-positivity was significantly higher in the pastoral zone (31.5%) than in the sedentary zone at 14.5% (χ2 =303.2, p<0.05). In the most parsimonious backward fitting logistic multivariable regression, the only risk factors that were significantly positively associated with FMD sero-positivity in SR were multipurpose (OR=1.150; p=0.034) and dairy production types (OR=2.029; p=0.003). Those that were significantly negatively associated with FMD sero-positivity were male sex (OR=0.856; p=0.026), young age (OR=0.601; p=0.037), sedentary production zone (OR=0.471; p<0.001), bringing in of SR (OR=0.838; p=0.004), purchase of SR from market/middlemen (OR=0.877; p=0.049), no interaction with wildlife (OR=0.657; p<0.001), mixed production type (OR=0.701; p=0.016), enclosure of SR day and night (OR=0.515; p=0.001), migratory grazing system (OR=0.807; p=0.047), on-farm watering system (OR=0.724; p=0.002), male-from-another-farm (OR=0.723; p=0.030) and artificial insemination (OR=0.357; p=0.008) breeding methods.This study showed that there is widespread undetected virus circulation in SR indicated by ubiquitous spatial distribution of significant FMD sero-positivity in the country. The risk factors were mainly husbandry related. Strengthening of risk-based FMD surveillance in carrier SR which pose potential risk of virus transmission to other susceptible species is recommended. Adjustment of husbandry practices to control FMD in SR and in-contact species is suggested. Cross-transmission and more risk factors need to be researched.

scholarly journals Epidemiological survey of leptospirosis in collared peccaries (Pecari tajacu Linnaeus, 1758) in legal breeding sites in some states in the Northeast region, Brazil

2021 ◽  
Vol 10 (3) ◽  
pp. e47810313421
Author(s):  
Brunna Muniz Rodrigues Falcão ◽  
Camila de Sousa Bezerra ◽  
Joyce Galvão de Souza ◽  
Denise Batista Nogueira ◽  
Artur da Nóbrega Carreiro ◽  
...  
Keyword(s):  
Epidemiological Survey ◽  
Cross Sectional Study ◽  
Molecular Techniques ◽  
Serum Samples ◽  
Cross Sectional ◽  
Breeding Sites ◽  
Northeast Region ◽  
Pecari Tajacu ◽  
Sources Of Infection ◽  
Collared Peccary

The collared peccary (Pecari tajacu Linnaeus, 1758) is considered an animal of economic viability for trading and potentially productive for meat, being important the knowledge about the health of this species. Thus, the objective of the research was to carry out a cross-sectional study of leptospirosis in captive collared peccary (Pecari tajacu) from the states of Paraíba, Rio Grande do Norte and Piauí, northeast region of Brazil, using serological and molecular techniques. Serum samples from 48 animals were tested using the microscopic agglutination test (MAT) technique. In the samples of vaginal and preputial fluid, the Polymerase Chain Reaction (PCR) was performed. Four animals (8.3%) were seroreactive for Leptospira sp. with reaction to serogroup Icterohaemorraghiae and negative in PCR. There was association between the occurrence of leptospirosis and the intensive breeding system (odds ratio=63.00; 95%CI=4.3-910.6; P=0.002). The seroreactivity for leptospirosis suggests that, at some point, these animals were infected by sources of infection within the farm itself. It was also possible to observe the importance of knowing the serogroups prevalent in this species in the studied region, which allows the establishment of adequate strategies for its control, thus prioritizing the balance in the human-animal-environment relationship.

scholarly journals Cystic echinococcosis amongst small ruminants and humans in central Ethiopia

2015 ◽  
Vol 82 (1) ◽  
Author(s):  
Habtamu Assefa ◽  
Belay Mulate ◽  
Shahid Nazir ◽  
Alula Alemayehu
Keyword(s):  
Cystic Echinococcosis ◽  
Addis Ababa ◽  
Case Reports ◽  
Small Ruminants ◽  
Cross Sectional Study ◽  
Hydatid Cysts ◽  
Cross Sectional ◽  
Systematic Random Sampling ◽  
Central Ethiopia ◽  
Major Organ

This study was conducted to determine the prevalence of cystic echinococcosis (CE) in small ruminants and humans in Addis Ababa, central Ethiopia. A cross-sectional study involving systematic random sampling was conducted to estimate the prevalence of CE in 512 small ruminants (262 sheep and 250 goats) slaughtered at Addis Ababa Abattoir Enterprise between October 2011 and March 2012. Hydatid cysts were identified macroscopically during postmortem examination and their fertility and viability were determined. CE was observed in 21 (8.02%) sheep and 17 (6.80%) goats. In sheep 13 (4.96%) of the lungs, 10 (3.81%) livers and 1 (0.381%) heart were found to be infected with hydatid cysts. Involvement of lung and liver in goats was found to be 10 (4.0%) and 8 (3.2%) respectively, with no cysts recorded in the heart. Of the total of 77 and 47 cysts encountered in sheep and goats, 33 (42.85%) and 15 (31.91%) respectively were fertile. Viability of protoscoleces from fertile cysts in sheep (29 [87.87%]) was higher than in goats (6 [40.0%]). For humans, retrospective analysis covering five years of case reports at two major hospitals in Addis Ababa between January 2008 and December 2012 showed that of the total of 25 840 patients admitted for ultrasound examination, 27 CE cases were registered, a prevalence of 0.1% and mean annual incidence rate of approximately 0.18 cases per 100 000 population. Liver was the major organ affected in humans (81.5% in affected patients) followed by spleen (11.1%) and kidney (7.4%). Logistic regression analysis showed that prevalence of CE varied significantly in relation to host age in the small ruminants (OR = 3.93, P < 0.05) as well as in humans (95% CI, R = 4.8). This epidemiological study confirms the importance of CE in small ruminants and humans in central Ethiopia, emphasising the need for integrated approaches to controlling this neglected preventable disease.

scholarly journals Risk factors for an infection with Coxiella burnetii in German sheep flocks

2020 ◽  
Vol 148 ◽  
Author(s):  
A. Wolf ◽  
T. L. Prüfer ◽  
C. Schoneberg ◽  
A. Campe ◽  
M. Runge ◽  
...  
Keyword(s):  
Risk Factors ◽  
Coxiella Burnetii ◽  
Q Fever ◽  
Small Ruminants ◽  
Multivariable Logistic Regression Analysis ◽  
Specific Gene ◽  
Adult Males ◽  
Cross Sectional ◽  
Sheep Population ◽  
Herd Level

Abstract In Germany, sheep are the main source of human Q fever epidemics, but data on Coxiella burnetii (C. burnetii) infections and related risk factors in the German sheep population remain scarce. In this cross-sectional study, a standardised interview was conducted across 71 exclusively sheep as well as mixed (sheep and goat) farms to identify animal and herd level risk factors associated with the detection of C. burnetii antibodies or pathogen-specific gene fragments via univariable and multivariable logistic regression analysis. Serum samples and genital swabs from adult males and females of 3367 small ruminants from 71 farms were collected and analysed using ELISA and qPCR, respectively. On animal level, univariable analysis identified young animals (<2 years of age; odds ratio (OR) 0.33; 95% confidence interval (CI) 0.13–0.83) to reduce the risk for seropositivity significantly (p < 0.05). The final multivariable logistic models identified lambing all year-round (OR 3.46/3.65; 95% CI 0.80–15.06/0.41–32.06) and purchases of sheep and goats (OR 13.61/22.99; 95% CI 2.86–64.64/2.21–239.42) as risk factors on herd level for C. burnetii infection detected via ELISA and qPCR, respectively.

scholarly journals Sero-epidemiology and associated risk factors of brucellosis among sheep and goat population in the south western Nepal: a comparative study

2021 ◽  
Vol 17 (1) ◽  
Author(s):  
Tulsi Ram Gompo ◽  
Rubina Shah ◽  
Ishwari Tiwari ◽  
Yam Bahadur Gurung
Keyword(s):  
Risk Factors ◽  
Significant Risk ◽  
Small Ruminants ◽  
Control Program ◽  
Significant Risk Factor ◽  
Serum Samples ◽  
Cross Sectional ◽  
Sheep Population ◽  
Goat Population ◽  
Associated Risk Factors

Abstract Background Brucellosis is a zoonotic disease caused by Brucella spp. In Nepal, the presence of brucellosis in small ruminants, namely sheep and goats, has impacted farmers’ livelihood and the food safety of consumers. A cross-sectional study was conducted in Rupandehi district of Nepal during January to March 2020 to investigate the seroepidemiology and associated risk factors of brucellosis in the sheep and goat population. Altogether, 19 sheep and 60 goat farms in the district were visited. Owners were interviewed to get information on animals, including their management and movement patterns. Three hundred fifty-seven samples (80 sheep and 277 goat samples) were collected proportionately based on farm sizes. Each serum sample was tested with Rose Bengal Test and ELISA to estimate the seropositivity of brucellosis. Logistic regression was carried out to calculate corresponding odds ratios of each variable associated with detection of brucellosis. Results At the farm level, 31.6% (6/19; 95% CI: 12, 54%) of sheep farms and 3.3% (2/60, 95% CI: 0.9, 11.4%) of goat farms were seropositive to brucellosis. Out of 80 sheep serum samples, 12 (15%; 95% CI: 8.79–24.41%) and out of 277 goat serum samples, three (1.1%; 95% CI: 0.37–3.14%) were seropositive to brucellosis. Age greater than 1.5 years (OR = 5.56, 95% CI: 1.39, 29.38; p = 0.02) and herd size of greater than 100 (OR = 4.74, 95% CI: 1.23, 20.32, p = 0.03) were identified as significant risk factors for seropositivity of brucellosis in the sheep population. While in the goat population, none of the variables was identified as a significant risk factor. Conclusion The study provides evidence that the older sheep and the sheep from the large herds were at higher risk of brucellosis. A control program should be put in place immediately in the sheep population because they may transmit infections to other livestock as they were regularly moved for grazing and selling purposes. Also, strict biosecurity measures should be implemented among pastoralists to prevent brucellosis transmission in them. We suggest further one health-based study to reveal the transmission dynamics of brucellosis between animals and humans.

scholarly journals Sero-epidemiology and associated risk factors of brucellosis among sheep and goat population in the mid southern Nepal: A comparative study

2020 ◽  
Author(s):  
Tulsi Ram Gompo ◽  
Rubina Shah ◽  
Ishwari Tiwari ◽  
Yam Bahadur Gurung
Keyword(s):  
Risk Factors ◽  
Significant Risk ◽  
Small Ruminants ◽  
Bivariate Analysis ◽  
Serum Samples ◽  
Cross Sectional ◽  
Sheep Population ◽  
Sheep And Goats ◽  
Goat Population ◽  
Associated Risk Factors

Abstract Background Brucellosis is a zoonotic disease of animals and humans caused by the Brucella spps. In Nepal, the presence of brucellosis in small ruminants, e.g., sheep and goats, has impacted the farmers' livelihood and people's food safety. A cross-sectional study was conducted at Rupandehi districts of Nepal to the discover the seroepidemiology and associated risk factors of brucellosis in sheep and goat population. Altogether, 19 sheep and 60 goat farms located in the districts' local units were visited, and the owners were interviewed to get the information on animal characteristics, management, and movement patterns. Three hundred fifty-seven serum samples (80 sheep and 277 goat’s samples) were collected from selected herd based on the probability proportional to their sizes. Each serum sample was tested for Rose Bengal Plate Test (RBPT) and ELISA to estimate the seropositivity. Bivariate analysis followed by multivariable logistic regression was applied to calculate corresponding odds ratios of each variable associated with the brucellosis. Results Out of 80 sheep samples, 12 (15%; 95%CI: 8.79%-24.41%, P<0.001) and out of 277 goat samples 3 (1.1%; 0.37%-3.14%, P<0.001) were tested positive to brucellosis. Age of greater than 1.5 years (OR= 6.39, 95%CI: 1.23, 54.67, p= 0.04) was identified as the significant risk factor for brucellosis in sheep population. While in the goat population, none of the variables were identified as the significant risk factors in multivariable regression analysis. However, the goat from the frequent grazing herds had borderline significance (OR = 8.81, 95%CI: 0.44, 174.56, p<0.15). It might be because of the regular movement of sheep herds that get mixed up with the goat populations. Conclusion The study provides evidence that the burden of brucellosis in sheep is significantly higher than goats. The brucellosis control program in sheep should be applied immediately, as the contiguous herds of sheep and goats keep mixing while grazing and selling. Also, the strict biosecurity and biosafety measures should be implemented among the sheepherders to prevent infection of Brucella in them. We suggest further study on both small ruminants and the sheep owners to reveal the transmission dynamics through one health approach.

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