Seroprevalence of Brucella abortus and Leptospira hardjo in cattle

Pandian, S. Jegaveera; Ray, Pradeep; Chandran, P C; Kumar, Manoj

doi:10.14202/vetworld.2015.217-220

Cited by 12 publications

(9 citation statements)

References 14 publications

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“…There are various researchers who reported management wise prevalence of bovine brucellosis in India. In this study, the results coincided with the findings of Isloor et al [26][27][28] showing that a higher prevalence of brucellosis was observed in organized farms than in single cow herds. This may be attributed to the spread of infection that is quick, easily spread and mainly due to the improper screening, surveillance and monitoring.…”

Section: Husbandry Practices-wise Prevalence Of Bovine Brucellosis Bysupporting

confidence: 92%

Milk Ring Test as Ready Aid to Diagnose Bovine Brucellosis in Lactating Cows of Tamil Nadu, India

Vn¹,

Mv²,

Porteen³

et al. 2016

J Adv Dairy Res

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In this cross sectional study 483 milk samples were collected from 483 lactating cows from selected districts of Tamil Nadu to detect antibodies against Brucella using Milk Ring Test (MRT). Overall, 4.35 per cent of milk samples were positive by MRT. The lactating cows were divided into 1st, 2nd to 4th and ≥5th lactation and the prevalence of Brucella were 2.94, 3.06 and 6.48 per cent respectively. Based on husbandry practices, the highest prevalence was recorded in unorganized farm sector (8.21%) followed by organized farm (3.84%) and single cow herds (3.63%). MRT can be used as a spot screening test. Presence of antibodies with their prevalence in organized and unorganized farms warrants a systematic preventive strategy that is used to control brucellosis.

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Section: Husbandry Practices-wise Prevalence Of Bovine Brucellosis Bysupporting

confidence: 92%

Milk Ring Test as Ready Aid to Diagnose Bovine Brucellosis in Lactating Cows of Tamil Nadu, India

Vn¹,

Mv²,

Porteen³

et al. 2016

J Adv Dairy Res

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“…An earlier study conducted in 23 states of India reported an overall sero-prevalence of 3.5% in Bihar [ 16 ]. A few other studies have reported even higher seropositivity in Bihar (12.2% by Pandian et al [ 17 ] and 9.3% by Kaushik et al [ 18 ]). These findings were contrary to our study results.…”

Section: Discussionmentioning

confidence: 97%

Seroprevalence and Risk Factors of Brucella Infection in Dairy Animals in Urban and Rural Areas of Bihar and Assam, India

et al. 2021

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This study assessed seropositivity of Brucella infection in dairy animals and risk factors associated with it. The cross-sectional study used multi-stage, random sampling in the states of Bihar and Assam in India. In total, 740 dairy animals belonging to 534 households of 52 villages were covered under this study. Serological testing was conducted by indirect enzyme-linked immunosorbent assay (iELISA). Animal-level Brucella seropositivity was found to be 15.9% in Assam and 0.3% in Bihar. Seropositivity in urban areas (18.7%) of Assam was found to be higher than in rural areas (12.4%). Bihar was excluded from the risk factor analysis, as only one Brucella seropositive sample was detected in the state. A total of 30 variables were studied for assessing risk factors, of which 15 were selected for multivariable regression analyses following a systematic process. Finally, only three risk factors were identified as statistically significant. It was found that animals belonging to districts having smaller-sized herds were less likely (p < 0.001) to be Brucella seropositive than animals belonging to districts having larger-sized herds. Furthermore, the chance of being Brucella seropositive increased (p = 0.007) with the increase in age of dairy animals, but decreased (p = 0.072) with the adoption of artificial insemination (AI) for breeding. We speculated that the identified risk factors in Assam likely explained the reason behind lower Brucella seropositivity in Bihar, and therefore any future brucellosis control program should focus on addressing these risk factors.

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“…There are reports that prevalence in organized dairy farms is typically higher than in marginal herds [18,19,22,38,39]. This higher prevalence in organized dairy farms may be due to higher prevalence of the disease in exotic and cross-bred animals, compared to indigenous cattle [40], transmission of disease during natural mating/artificial insemination, physical contact because of close confinement and exposure to diseased animals [18,22]. On the contrary, a few studies reported significantly lower prevalence in organized farms than marginal herds possibly because of proper management, good sanitation and disinfection, proper disposal of placenta, better animal health awareness and management and vaccination; however, the number of these types of farms where studies were conducted were few and not representative of organized farms overall [17,33].…”

Section: Risk Factorsmentioning

confidence: 99%

Bovine brucellosis: prevalence, risk factors, economic cost and control options with particular reference to India- a review

Deka

Magnusson

Lindahl

2018

Infection Ecology & Epidemiology

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Background: Brucellosis is an economically important zoonotic disease with worldwide distribution, with low-income countries being more affected. The disease is endemic in India, a country that house the world's largest cattle and buffalo population and produce the most milk in the world. Results: Prevalence of the disease in the country is reported as low as 1% to as high as 60% by different researchers but many of the published studies that reported higher prevalence were conducted in non-randomised samples. Based on this review, overall prevalence in the country is likely 12% or less. About 20 different risk factors are reported that contribute/ predispose to occurrence of bovine brucellosis. The risk factors could be classified in four groups: host factors, farmer's factors, managemental factors, and agro-ecological factors. Various studies reported high economic burden of the diseases in dairy animals but there is dearth of comprehensive and rigorous economic studies. Conclusions: In the absence of highly effective vaccines and because of difficulties in executing a segregation and slaughter policy of infected animals in countries like India, control of bovine brucellosis remains a challenge.

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Seroprevalence of Brucella abortus and Leptospira hardjo in cattle

Cited by 12 publications

References 14 publications

Milk Ring Test as Ready Aid to Diagnose Bovine Brucellosis in Lactating Cows of Tamil Nadu, India

Milk Ring Test as Ready Aid to Diagnose Bovine Brucellosis in Lactating Cows of Tamil Nadu, India

Seroprevalence and Risk Factors of Brucella Infection in Dairy Animals in Urban and Rural Areas of Bihar and Assam, India

Bovine brucellosis: prevalence, risk factors, economic cost and control options with particular reference to India- a review

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