Consumption of raw milk from pastoral bovines have been identified as a major source of public and environmental health risk in developing countries. Antimicrobial resistance is a global health challenge threatening the lives of humans and animals. The indiscriminate use of antimicrobial agents among the pastoralists on commercial animals, especially for non-therapeutic purposes has been linked to the development of resistant strains of potentially pathogenic bacteria which are being transferred from animals to humans. This study investigated the antimicrobial susceptibility profile of coliform bacteria isolated from mastitis milk of pastoral herds. Out of 147 milk samples collected and screened for subclinical mastitis, 29 (19.7%) were positive. Out of the 29 mastitis positive samples, 13 (8.8%) were positive for coliforms (6 E. coli and 7 K. pneumoniae). All the coliform isolates showed 100% resistance to Penicillin and Tetracycline, and were all 100% susceptible to Imipenem. High multidrug resistance was expressed by all the isolates to Penicillin, Tetracycline and Erythromycin. All the isolates (100%) had Multiple Antibiotic Resistance Index (MARI) of 0.2 and above which is an indication of gross abuse of antibiotics within the studied population. However, antibiotics still effective against the coliform species tested were Imipenem (100%), Ciprofloxacin (92.3%), Gentamycin (92.3%), Chloramphenicol (84.6%), Amoxicillin/ Clavulanic acid (84.6%) and Sulfamethoxazole/Trimethoprim (69.2%).

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It has been established by various researchers that bovine mastitis which is simply an inflammation of mammary gland is a complex and costly disease in dairy herds globally. This study therefore was aimed at assessing the prevalence of clinical and subclinical mastitis among lactating bovines from pastoral herds. A total of 147 bovines were selected from 30 pastoral herds within 7 Fulani settlements in Kaduna State, Nigeria. Prevalence of Clinical mastitis was assessed by the result of physical examination of udders and milk by palpation and visual inspection. The California Mastitis Reagent was used according to the manufacturer's instructions to detect the prevalence of Subclinical Mastitis. The CMT positive samples were bacteriologically analyzed following standard microbiological procedures for the presence of coliform bacteria. The results obtained revealed that 19.7% (29/147) of animals examined was positive for subclinical mastitis at cow level. The highest prevalence of subclinical mastitis was recorded among bovines from settlements G in Birnin Gwari Local Government Area of Kaduna State, while bovine's raw milk samples collected from settlements C and E in Chikun and Zaria Local Government Areas of Kaduna State haboured the lowest number of 1(0.7%) each, and no Coliform bacteria (0.00%) was isolated in the samples collected from settlement D in Soba Local Government Area. In this study, a total prevalence of 8.2% was established for coliforms associated with subclinical mastitis among pastoral herds based on phenotypic identification. Furthermore, the species of coliforms associated with bovine mastitis within the study population based on the findings in this study were (Klebsiella pneumonia) 7(4.8%) and (Escherichia coli) 5(3.4%). Hence, this study confirmed that the consumption of raw milk from CMT positive commercial bovines is a potential threat to public health as the isolated species of coliforms have been implicated in several human diseases.

Background: Mastitis caused by Staphylococcus aureus was initially considered the major problem in dairy herds, but over the last few decades, the incidence of coliform mastitis has increased among the pastoral herds in Nigeria due to poor environmental and milking hygiene. Hence, this study was aimed at genotypic identification of coliform bacteria isolated from cases of bovine mastitis among pastoral herds in parts of Kaduna State, Nigeria.Methods: A cross-sectional survey of 30 herds of cows across 7 Local Government Areas of Kaduna State, Nigeria, was conducted. One hundred and forty seven cows were proportionately selected by purposive sampling technique. The milk samples were aseptically collected and bacteriologically screened for coliform bacteria following standard bacteriological techniques. Nine out of 12 coliforms identified phenotypically were selected for PCR amplification and sequencing of their 16S rRNA gene. The Basic Local Alignment Search Tool (BLAST) analysis of the sequences obtained was done on the National Centre for Biotechnology Information (NCBI) data base, and isolates confirmed based on similarity to 16S rDNA sequences in the Gen BankResults: Five of the 9 coliforms were confirmed to be Klebsiella pneumoniae (prevalence rate, 3.4%) and 4 were confirmed to be Escherichia coli (prevalence rate, 2.7%).Conclusion: This study shows that raw milk of mastitic cows can serve as a vehicle for the spread of pathogens such as K. pneumoniae and E. coli which, according to the Department of Health and Human Services of the United States Public Health Services, are potential threats to public health and safety of humans, animals and plant products.Keywords: pastoral herds, subclinical mastitis, cows, PCR, 16s rRNA, sequencing

Analysis of prevalence and risk factors for Human Papilloma Virus (HPV) is the basis for prophylactic strategies against HPV infections. This study was to determine the seroprevalence of human papillomavirus, sociodemographic and risk factors associated with acquiring the virus among the study population. A total of 195 samples were collected by simple random sampling technique from three major hospitals in the zone. Serum from blood samples was used for ELISA and analyzed for IgM. Overall prevalence of 3.08% (6/195) was established for HPV infection. Patients with early sexual activity and those with multiple sexual partners were likely to be infected than their counterparts with 15.8%: 3/19 (χ 2 =16.4, df=3, p=0.001) and 50%: 2/4 (χ 2 =30.2, df=1, p=0.005) respectively. The infection was more among those who got married at age range of 26-30 years with prevalence of 5.4%: 2/37 (χ 2 =1.30, df = 5, p=0.82). On the basis of sex, female were found to have higher prevalence of 3.6%: 6/167(χ 2 =1.04, df = 1, p=0.6). Subjects with sexually transmitted disease (STD) had a higher prevalence of 8%: 2/25(χ 2 =2.45, df=2, p=0.32). The study shows that infection with HPV was strongly associated with age of sexual debut and number of sexual partners. It also reveals the occurrence of HPV infection in Kogi East, Nigeria. Hence, there is need for routine screening, public education and vaccination to prevent the spread of the virus which is a threat to public health.