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1.
Antibiotics (Basel) ; 12(9)2023 Aug 25.
Artigo em Inglês | MEDLINE | ID: mdl-37760666

RESUMO

The abuse and misuse of antibiotics is one of the main drivers of antimicrobial resistance (AMR). Globally, AMR in food-producing animals is a significant public health concern. This study, therefore, assessed the knowledge, attitudes, and practices related to antibiotic usage (AMU) and AMR among poultry farmers in Nepal. We conducted a cross-sectional survey of 605 poultry farmers from six districts of Nepal from May to June 2022 to assess the status of knowledge, attitude, as well as practices toward prudent antibiotic usage (AMU) and AMR. The majority of the participants in our study were from the Chitwan district (31.6%; n = 191/605), aged 30-44 (54.2%; n = 328/605), males (70.4%; n = 426/605), and farmers with a higher secondary (28.76%; n = 174/605) level of education. The tetracyclines (28%, n = 228/828), aminoglycosides (23%, n = 188/828), and fluoroquinolones (15%, n = 126/828) were the most used antibiotics classes among poultry farmers. Although 87.8% (n = 531/605) of poultry farmers used antibiotics, 49.8% (n = 301/605) of them were aware of AMR, and 55.7% (n = 337/605) knew that the misuse of antimicrobials could affect human and environmental health. There were significant differences in the knowledge, attitude, and practices toward prudent AMU and AMR among farmers who reared different birds. The mean knowledge, attitude, and practice score of the respondents were 7.81 ± 3.26, 5.8 ± 2.32, and 7.59 ± 3.38 when measured on a scale of 12, 10, and 15, respectively. Based on a cut-off of 75% of the maximum score, 49.4% (n = 299/605), 62.8% (n = 380/605), and 12.73% (n = 77/605) of the respondents had good knowledge, attitude, and practices toward prudent AMU and AMR, respectively. The multivariable logistic regression analyses revealed that the positive predictors of good knowledge and attitude were male gender, higher level of education, district, and the types of birds (layers). Similarly, those of the male gender (OR: 3.36; 95% CI: 1.38-8.20; p = 0.008) and those that rear layers (OR: 4.63; 95% CI: 1.75-12.25; p = 0.003) were more likely to practice prudent usage of antimicrobials. The findings of this study show poor practice toward prudent antibiotic usage despite good knowledge of AMR. This study provides essential baseline data on the knowledge, attitudes, and practices of poultry farmers in Nepal and offers valuable insights that could help in the design of interventions and policies aimed at addressing illicit AMU and AMR in poultry in Nepal.

2.
J Dairy Sci ; 104(12): 12765-12772, 2021 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-33838890

RESUMO

Subclinical mastitis (SCM) represents a significant burden and challenge to modern dairy management. Multidrug-resistant Escherichia coli (MDR E. coli) in milk poses a public health threat to humans especially via the consumption of unpasteurized dairy products. This study aimed to determine the occurrence of MDR E. coli in cows and buffalo in the households of the western part of the Chitwan district of Nepal. A total of 243 lactating cows and buffalo were included in this study. Milk samples (n = 972) were screened using the California Mastitis Test (CMT). The E. coli was isolated from milk samples that were positive for CMT using standard bacteriological protocols. A semi-structured questionnaire was administered to farmers to identify the risk factors associated with the occurrence of SCM in cows and buffalo. Of the 243 dairy animals screened, 42.8% (n = 104/243) showed positive CMT results. However, of the 972 quarters sampled, only 19.3% (n = 188/972) were positive for SCM. The prevalence of E. coli in these animals was found to be 16.5% in animals (n = 40/243). However, E. coli was isolated from only 5% (n = 49/972) of the quarters. Of the 49 E. coli isolated, the resistance to ceftriaxone (38.8%, n = 19/49) and ciprofloxacin (37.7%, n = 17/49) were the most prevalent. Animals with a history of mastitis were 3.57 times more likely to have SCM than other animals. Similarly, lactating animals with previous teat abrasions were 3.22 times more likely to develop SCM than animals without teat injuries. As expected, cleaning the barn once in 2 to 3 d was associated with an increased occurrence of SCM in lactating cows. This study reports the occurrence of MDR E. coli in SCM, which poses a public health threat. Creating awareness of milk pasteurization, and food safety practices are necessary among the farmers.


Assuntos
Doenças dos Bovinos , Mastite Bovina , Mastite , Animais , Bovinos , Escherichia coli , Feminino , Humanos , Lactação , Mastite/veterinária , Mastite Bovina/epidemiologia , Nepal/epidemiologia , Prevalência , Fatores de Risco
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