Identification of Aspergillus species in feed fed to caged birds using morphological characteristics in Zaria, Nigeria

Aim: Bovine tuberculosis (bTB) is an important milk-borne zoonosis that affects cattle production and poses serious threat to public health. This study aimed at assessing the risk factors as well as the level of awareness, attitude, and practices of abattoir personnel toward bTB in Gombe Township Abattoir, Gombe State. Materials and Methods: A prospective survey was conducted between October 2015 and December 2015. During the survey, a total of 112 close-ended structured questionnaires were administered to the abattoir personnel to assess their level of awareness of bTB. Results: Of these respondents, the majority were males (79%), butchers (49%) and about 40% were under the productive age brackets of 26-35 years. Majority of the respondents (85.7%) were aware of the zoonotic nature of the disease. However, only a few of the respondents (44.6%) wear personal protective equipments (PPEs) clothes while handling or in contact with carcasses during the slaughtering process. Only a few among the respondents (24.1% and 31.2%) consumed unpasteurized milk and unaware of eating of improperly cooked meat as a risk factor of bTB, respectively. About 75.7% of the respondents believed that the habit of eating and drinking inside the abattoir and during slaughtering operations has no any significant effects on their health. The results obtained show a statistically significant association between respondents' awareness of bTB and their occupational status, duration of exposure to cattle carcasses, and knowledge about the disease (p<0.05); and the odds of being aware of bTB was 10.0, 5.07, and 4.2, respectively. Conclusion: This study demonstrates the need for public health authorities to intervene in bTB prevention and control through the creation of avenues for enlightenment on the zoonotic risk associated with bTB. The risk factors associated with bTB transmission as indicated by the personnel's practice and awareness levels in Gombe township abattoir are preventable through the use of PPEs clothing.

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Risk factors assessment of bovine tuberculosis among abattoir personnel in Gombe State, Northeastern Nigeria: A One-Health approach

Mohammed

Saidu

Jajere

et al. 2019

Int J One Health

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Fasciola infection in goats slaughtered from Port Harcourt metropolis Rivers State, Nigeria

2019

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Background and Aim: Fascioliasis is a zoonotic disease of public importance that affects animals and man. This study was aimed at assessing Fasciola infection among goats slaughtered in Port Harcourt metropolis. Materials and Methods: A total of 323 gallbladder and fecal samples were collected from three different abattoirs (Mile 3, Rumuokwurusi, and Trans-Amadi) between September 2015 and June 2016 and analyzed using standard parasitological method. Results: Of the 323 fecal samples, 20 (6.19%) were found to be positive for Fasciola egg. Mile 3 abattoir 17 (5.26%) had higher prevalence than Trans-Amadi abattoir 3 (0.93%) while Rumuokwurusi had no infection (Chi-square=0.11; p=0.001). Gallbladder infection was 5.57%. Trans-Amadi abattoir had the highest prevalence of 11 (3.41%) followed by Mile 3 abattoir 7 (2.17%) and Rumuokwurusi abattoir had none (Chi-square=0.91; p=0.339). Infection based on gender showed that 5.88% of female animals and 0.31% of males were ova positive. At Trans-Amadi, 0.93% of females against 0.0% of males were infected (p>0.05). At Mile 3, it was 4.95% of females against 0.31% of males (p=0.001). Rumuokwurusi abattoir had no infection. Gallbladder infection showed Trans-Amadi 2.79% of females and 0.62% of males; Mile 3, 2.17% of females and 0.0% of males and Rumuokwurusi had no infection. Conclusion: Fasciola infection is prevalent in goats in Port Harcourt. The health implication of these findings is that humans are at risk as fascioliasis is a zoonotic disease. There is a need to intensify effort to create more awareness of the possible consequence of this infection.

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Prevalence of bovine tuberculosis in slaughtered cattle and factors associated with risk of disease transmission among cattle handlers at Oko-Oba Abattoir, Lagos, Nigeria

et al. 2020

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Background and Aim: Bovine tuberculosis (bTB) is a zoonotic disease of major public health importance, especially in many developing countries, including Nigeria, where control measures are largely not applied, and the risks of human infection are high. This study was aimed at determining the current prevalence of bTB in slaughtered cattle and identifying factors associated with the risk of disease transmission among cattle handlers toward making informed control measures to limit human-animal interface disease transmission. Materials and Methods: Serum samples at slaughter and lesions suggestive of bTB collected during postmortem examination of 187 slaughtered cattle at the Oko–Oba Abattoir, Agege, Lagos State, Nigeria, were subjected to lateral flow and Ziehl–Neelsen (ZN) techniques, respectively. Furthermore, a structured questionnaire was interviewer-administered to 156 cattle handlers to investigate associated exposure factors to bTB infection. Data were analyzed using bivariate and multivariate logistic regression. Results: The prevalence of bTB in cattle was 25.7% and 7.0% by lateral flow technique and ZN, respectively. The seropositivity was highest in cattle with poor body condition (50.0%), then with good (36.4%) and fair (25.0%) body conditions. The questionnaire survey revealed that being in livestock handling business for >6 years (p=0.001), not knowing the mode of transmission (p=0.02) and ignoring TB lesions at slaughter (p=0.02) were exposure factors associated with increased risk of bTB infection among the cattle handlers. Further, multivariate analysis showed that those who spent more than 6 years in livestock handling were about 4 times (Adjusted odds ratio [AOR]=3.5; 95% confidence interval [CI]=1.1-7.6, p=0.01) more likely to be exposed to bTB infection than those with lesser years. Again, respondents who called the attention of meat inspectors on seeing lesions in animals were about 4 times less likely to be exposed to bTB infection than those who ignored it (AOR=0.3; CI=0.1-0.8, p=0.01). Conclusion: This study has reiterated the endemicity of bTB in cattle population in Nigeria, with the prevalence of 25.7% and 7.0% of bTB by lateral flow and ZN techniques, respectively. This portends potential risk for disease transmission at the human-animal interface, particularly at the abattoir setting. The study also identified important knowledge and practice gaps which would enable informed, all-inclusive, and well-directed programs for effective control of the disease in both human and cattle populations.

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Identification of Aspergillus species in feed fed to caged birds using morphological characteristics in Zaria, Nigeria

Cited by 3 publications

References 24 publications

Risk factors assessment of bovine tuberculosis among abattoir personnel in Gombe State, Northeastern Nigeria: A One-Health approach

Risk factors assessment of bovine tuberculosis among abattoir personnel in Gombe State, Northeastern Nigeria: A One-Health approach

Fasciola infection in goats slaughtered from Port Harcourt metropolis Rivers State, Nigeria

Prevalence of bovine tuberculosis in slaughtered cattle and factors associated with risk of disease transmission among cattle handlers at Oko-Oba Abattoir, Lagos, Nigeria

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