Brucellosis Prevalence in Brazilian Slaughterhouses with Different Meat Inspection Systems

Abstract

In Brazil, meat inspection occurs in a decentralized manner and consists of three types: (i) federal inspection (SIF), (ii) state inspection (SISP), and (iii) municipal inspection (SIM). The objective of this work was to discuss the three current inspection systems through the apparent prevalence of bovine brucellosis, a zoonosis that has an eradication program implemented by the Brazilian government. Nine abattoirs from federal, state, and municipal inspection systems were assessed and 1,490 animals were sampled. Serology for brucellosis was determined by the rose bengal test and the complement fixation test. The overall apparent prevalence (and 95% confidence interval) of brucellosis was 2.2% (1.5 to 2.9%). Apparent prevalence stratified by inspection system for SIF, SISP, and SIM was 0.4% (0.0 to 0.9%), 2.0% (0.8 to 3.2%), and 4.3% (2.5 to 6.1%), respectively. Multivariable logistic regression analysis revealed the odds ratio for finding an animal positive for brucellosis among inspection systems. A statistical difference ( P < 0.0015) was observed among surveillance systems, with SISP × SIF, SIM × SISP, and SIM × SIF having an odds ratio of 4,996, 2,304, and 11,494, respectively. Hence, the need for increasing official surveillance in state and municipal inspection systems seems to be necessary and could assist in the surveillance of bovine brucellosis and other diseases of interest to the federation. In addition, an increase in official presence would help to improve the selection of slaughtered cattle during ante- and postmortem inspection, with consequent impact on food safety and public health.

A systematic review and meta-analysis of bovine brucellosis seroprevalence in Latin America and the Caribbean

“…After screening by abstract and title, 164 papers were selected for full-text assessment. Of these, 99 were excluded, and 65 studies [ [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] , [22] , [23] , [24] , [25] , [26] , [27] , [28] , [29] , [30] , [31] , [32] , [33] , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] , [45] , [46] , [47] , [48] , [49] , [50] , [51] , [52] , [53] , [54] , [55] , [56] , [57] , [58] , [59] , [60] , [61] , [62] , [63] , [64] , [65] , [66] , [67] , [68] , [69] , [70] , [71] , [72] , [73] , [74] , [75] ] were finally included for the final qualitative and quant...…”

“… 2017 Brazil Buffaloes 390 21 5.38 RBT [ 30 ] Mioni M et al. 2018 Brazil Cattle 1,490 33 2.21 RBT [ 21 ] Carrillo H et al. 2019 Brazil Cattle 1,800 2 0.11 RBT [ 23 ] Falcão M et al.…”

Impact on condemnations of bovine carcasses due to tuberculosis and cysticercosis after changes in federal legislation in the State of Rio Grande do Sul (2014-2020)

“…Furthermore, this increase in official presence would help to improve ante-mortem and post-mortem inspection of slaughtered cattle in Brazil, with an impact on food safety and public health. (27) Records of official service databases provide important information for public health, and the analysis of these data is essential for defining surveillance strategies in different regions. (18)…”

Impacto nas condenações de carcaças bovídeas por tuberculose e cisticercose após as modificações na legislação federal no estado do Rio Grande do Sul (2014-2020)

“…Observada necessidade de aumentar a vigilância oficial nos estados e sistemas municipais de inspeção, auxiliando, dessa forma, na vigilância de doenças bovinas de interesse para a federação. Além disso, esse aumento na presença oficial ajudaria a melhorar a inspeção ante mortem e post mortem dos bovinos abatidos no país, trazendo um impacto na segurança alimentar e na saúde pública (27) . Os registros dos bancos de dados dos serviços oficiais fornecem informações importantes para a saúde pública, a análise desses dados é fundamental para que sejam definidas estratégias em vigilância nas diferentes regiões (18) .…”