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Antioxidant Activities and Estimation of Phenol and Flavonoid Contents in The Extracts Of Trema Orientalis Linn Blume 东方tremalis Linn Blume提取物的抗氧化活性及酚和类黄酮含量测定
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V41I2.1
A. Saleh, S. M. Zainal-Ariffin, S. F. Yahaya, A. Khaleel
Phytochemical analysis is important in the evaluation of bioactive compounds from plants. Oxidative stress has been implicated in the pathology of many diseases such as atherosclerosis, rheumatoid arthritis, cancer, cataract, diabetes, cardiovascular diseases, chronic inflammatory conditions, and stroke. The aim of this study was to evaluate polyphenolic content and antioxidant activity of Trema orientalis. Antioxidant activity was estimated spectrophotometrically using 2,2– diphenyl–1–picrylhydrazyl radical scavenging method. The total polyphenolic and flavonoid contents of the Trema orientalis extracts were determined using standard methods. Independent Sample T–test was used for Data analyses. Phytochemical screening revealed the presence of saponins, tannins, steroids, cardiac glycosides, alkaloids, triterpenes, flavonoids and phenolic compounds. Total phenolic contents were found to be 260.96±2.31 mg GAE/g and 134.08±0.56 mg GAE/g in the ethanol and aqueous extracts respectively. Similarly, total flavonoid contents were between 32.71±0.89 and 4.70±0.23 mg GAE/g. The radical scavenging effect was observed in ethanol extract with IC50 = 9.27 μg/mL. The abundance of polyphenolic compounds and antioxidant activities of the T. orientalis could confirm their good therapeutic potentials in ethnobotany.
植物化学分析是评价植物活性物质的重要手段。氧化应激与许多疾病的病理有关,如动脉粥样硬化、类风湿关节炎、癌症、白内障、糖尿病、心血管疾病、慢性炎症和中风。本研究的目的是评价东方Trema的多酚含量和抗氧化活性。采用2,2 -二苯基- 1 -苦味酰肼自由基清除法测定了其抗氧化活性。采用标准方法测定了东耳提取物中总多酚和类黄酮的含量。数据分析采用独立样本t检验。植物化学筛选显示其含有皂苷、单宁、甾体、心苷、生物碱、三萜、黄酮类和酚类化合物。乙醇和水提物的总酚含量分别为260.96±2.31 mg GAE/g和134.08±0.56 mg GAE/g。总黄酮含量在32.71±0.89 ~ 4.70±0.23 mg GAE/g之间。乙醇提取物对自由基有清除作用,IC50 = 9.27 μg/mL。其多酚类化合物的丰富程度和抗氧化活性表明其具有良好的民族植物学治疗潜力。
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引用次数: 1
Incursion of Foot-and-Mouth Disease (FMD) Serotype O East Africa Topotype -3 (O/EA-3) in Nigeria 尼日利亚口蹄疫O型东非拓扑型3 (O/EA-3)的入侵
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V41I1.4
H. Ularamu, J. Ibu, J. Abenga, D. Lazarus, Y. Wungak, D. Ehizibolo, D. Shamaki, M. Adah
Foot-and-mouth disease (FMD) is an endemic transboundary animal disease that affects livestock health across most of sub-Saharan Africa. Since the first official report of FMD in Nigeria in 1924, serotypes O, A, SAT 1 and SAT 2 have been documented within the country. Molecular epidemiology has been used to trace the origin of FMD outbreaks in the case of animal movement, inter-species transmissions and trans-continental introductions. Phylogenetic analyses of VP1 nucleotide sequences of the twelve isolates (n=12) provide evidence for the presence of type O/EAST AFRICA 3 (EA-3) in Nigeria. The epidemiological situation of FMD in Nigeria and other West African countries is further complicated by the emergence of the O/EA-3 lineage that is causing new outbreaks in the region in addition to the West Africa (WA) topotype that has been known to be in circulation in Nigeria and other parts of West African and Central African regions. These recent development in west and central Africa, indicates the dynamic and complex nature of FMD epidemiology in the region and this is not un-connected to the nomadism in the region. In addition the un-restricted animal movement across the porous border in the region in search of pasture and water for their animal has contributed to the spread of diseases across the region. From the results the phylogenetic analysis of the O/EA-3 has close identity and was closely related to O/EA-3 from the 2009 outbreak in Sudan. Therefore, based on these findings a sustained surveillance is required to yet understand the epidemiology of FMD in West and Central Africa that will inform the type of vaccine and target areas in other to control the disease. The need to restrict animal movement across the border should be put in place and where necessary all animals that must move from one point to another must have proper evidence of vaccine certification before it should be allow access into the area. Finally for effective FMD control, regional vaccination and surveillance should be advocated and it should be backed by law. The need to have FMD vaccination at national as well as regional FMD control policy is strongly advocate for effective FMD control in Nigeria and across the regions.
口蹄疫是一种跨界动物地方病,影响撒哈拉以南非洲大部分地区的牲畜健康。自1924年尼日利亚首次正式报告口蹄疫以来,该国已记录了O型、A型、SAT 1型和SAT 2型血清型。分子流行病学已被用于在动物运动、物种间传播和跨大陆引进的情况下追踪口蹄疫暴发的起源。12株分离株(n=12) VP1核苷酸序列的系统发育分析证明尼日利亚存在O型/东非3型(EA-3)。尼日利亚和其他西非国家口蹄疫的流行病学情况由于O/EA-3谱系的出现而进一步复杂化,该谱系除了已知在尼日利亚以及西非和中非其他地区流行的西非(WA)拓扑型外,还在该地区引起新的疫情。西非和中非最近的这些发展表明该地区口蹄疫流行病学的动态和复杂性,这与该地区的游牧状态不无关系。此外,不受限制的动物跨越该区域漏洞百出的边界,为其动物寻找牧场和水源,也助长了疾病在该区域的传播。系统发育分析结果表明,O/EA-3型病毒与2009年苏丹暴发的O/EA-3型病毒具有较强的同源性,并与之密切相关。因此,根据这些发现,需要进行持续的监测,以了解西非和中非口蹄疫的流行病学,从而为其他地区控制该疾病的疫苗类型和目标地区提供信息。应确定有必要限制动物越境移动,必要时,所有必须从一地移动到另一地的动物必须有适当的疫苗认证证据,才能允许其进入该地区。最后,为了有效控制口蹄疫,应提倡区域疫苗接种和监测,并应得到法律的支持。在尼日利亚和各区域大力提倡在国家和区域口蹄疫控制政策中接种口蹄疫疫苗,以便有效控制口蹄疫。
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引用次数: 1
Microbial Contaminants in Fresh and Extended Turkey Semen and their Sensitivity to Antibiotics 新鲜和延长火鸡精液中的微生物污染物及其对抗生素的敏感性
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V41I1.1
I. Alkali, S. Asuku, M. B. Umar, A. Abba, A. Mustapha, M. M. Bukar, M. Waziri
Microorganisms that inhabit the avian cloaca usually contaminate poultry semen which could easily spread throughout an entire flock. This study was conducted to determine the presence of microbial contaminants in turkey semen and evaluate their antibiotic sensitivity. Semen was collected from each tom, pooled and then divided into two aliquots A and B. Aliquot A was immediately evaluated for microbial contaminants and antibiotic sensitivity while aliquot B, was extended and preserved for 24 hours at 4 C and thereafter microbial culture, identification and antibiotic sensitivity were conducted. Escherichia coli, Enterococcus faecalis, Bacillus subtilis, Corynebacteria species and a fungal organism Candida albican were isolated and identified in both aliquots. All the identified organisms were sensitive to pefloxacin, gentamicin and ciprofloxacin, while Enterococcus faecalis, Bacillus subtilis and Corynebacteria species were resistant to Ampicillin-cloxacillin, cefuroxime, amoxicillin and ceftriaxone. Escherichia coli was only resistant to co-trimoxazole, ofloxacin and nalidixic acid. The study concludes that, Escherichia coli, Enterococcus foecalis, Bacillus subtilis, Corynebacteria species and Candida albican were found to be turkey semen contaminants and were resistant to penicillin and streptomycin combination in turkey semen extender but sensitive to pefloxacin, gentamicin and ciprofloxacin.
栖息在鸟类泄殖腔中的微生物通常会污染家禽精液,这很容易在整个禽群中传播。本研究旨在确定火鸡精液中微生物污染物的存在并评估其抗生素敏感性。采集每只公羊的精液,将其分成A、B两份。A份立即进行微生物污染物和抗生素敏感性评估,B份在4℃下保存24小时,然后进行微生物培养、鉴定和抗生素敏感性测试。大肠杆菌、粪肠球菌、枯草芽孢杆菌、棒状杆菌和一种白色念珠菌均在两种培养基中分离鉴定。所有细菌均对培氟沙星、庆大霉素和环丙沙星敏感,而粪肠球菌、枯草芽孢杆菌和杆状杆菌对氨苄西林-氯西林、头孢呋辛、阿莫西林和头孢曲松耐药。大肠杆菌仅对复方新诺明、氧氟沙星和萘啶酸耐药。研究认为,火鸡精液污染物为大肠杆菌、粪肠球菌、枯草芽孢杆菌、棒状杆菌和白色念珠菌,对火鸡精液扩增剂中青霉素和链霉素联合用药耐药,对培氟沙星、庆大霉素和环丙沙星敏感。
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引用次数: 5
Microscopic Studies Of The Foetal Lung Development In The OneHumped Camel (Camelus dromedarius) Obtained From Kano Abattoir 卡诺屠宰场单峰骆驼(Camelus dromedarius)胎儿肺发育的显微研究
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V40I4.8
J. Imam, J. Hambolu, M. B. Umar, M. H. Sulaiman, A. D. Umosen
Eighty – seven foetal lung samples from camels (Camelus dromedarius) were collected at Kano abattoir to study lung development. Four phases of the lung development were observed as follows; pseudo-glandular phase was between 10.5 cm to 38.2 cm crown-rump length, with endodermal buds and prominent mesenchymal cells. Canalicular phase was observed between 38.7 cm to 62.2 cm crownrump length and was characterized by thinning of the endodermal buds and invasion of capillaries. Saccular phase was noticed at 65.6 cm to 82.6 cm crown-rump length when thick intercellular septa were noticed. Alveolar phase was noticed between 85.9 cm to 121 cm crown-rump length when primitive alveolar was noticed. This study has established phases of lung development in the camel and serves as baseline information for scientific knowledge.
在卡诺屠宰场采集了87只骆驼胎儿肺样本,研究其肺发育情况。观察肺发育的四个阶段:假腺期冠臀长10.5 ~ 38.2 cm,内胚层芽和间充质细胞突出。管状期在冠突长度38.7 ~ 62.2 cm之间,内胚芽变薄,毛细血管浸润。在冠臀长65.6 ~ 82.6 cm处可见囊状期,细胞间隔较厚。在冠臀长85.9 cm ~ 121 cm之间可见原始肺泡期。这项研究确定了骆驼肺发育的阶段,并为科学知识提供了基础信息。
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引用次数: 0
In vitro Efficacy of Albendazole against Strongyle eggs recovered from Trade Goats slaughtered at the Nsukka Abattoir: A Preliminary Survey of Resistance to Albendazole 阿苯达唑对Nsukka屠宰场交易山羊产的圆形虫卵的体外防治效果:阿苯达唑耐药性的初步调查
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V40I4.4
I. Idika, V. J. Ebuk, E. Okoro, T. Nzeakor, N. M. Uzonnah, C. Nwosu
The efficacy of Albendazole against trichostrongyle nematode parasites in goats presented for slaughter at the Nsukka municipal abattoir was evaluated using the In vitro Egg hatch assay (EHA) model. The abattoir was visited once every week for 4 consecutive months during which a total of 240 goats were sampled. Fecal samples were collected per rectum from a minimum of 15 goats on each day of the visit. Egg Hatch Assay was performed on strongyle eggs recovered from pooled faecal sample on each day of sampling with a 2.5% W/V Albendazole. Faecal culture was also set up from the pooled faecal sample on each sampling day to recover and identify the nematode parasites present in the goats. Among the 240 goats sampled, the prevalence of trichostrongylosis as observed by the presence of strongyle eggs was 94.6% (227/240). Faecal culture and larval identification revealed 69.8% of the strongyles as Haemonchus contortus, while 25.5 and 4.8% were Trichostrongylus colubriformis and Oesophagostomum species respectively. In the EHA, Albendazole had mean LC50 value of 0.16 μg/ml which is slightly in excess of the discriminating dose of 0.1μg/ml as prescribed by the World Association for the Advancement of Veterinary Parasitology (WAAVP) as an indication of anthelmintic resistance. There is therefore an urgent need to screen the nematode parasite population in the Nigeria for the presence Albendazole resistance genes.
采用体外卵孵化试验(EHA)模型,评价了阿苯达唑对Nsukka市屠宰场供屠宰山羊毛线虫寄生虫的杀灭效果。连续4个月,每周访问屠宰场1次,共取样240只山羊。每天至少从15只山羊的每个直肠收集粪便样本。每天用2.5% W/V的阿苯达唑对收集的粪样中回收的圆形卵进行孵化试验。在每个采样日对收集的粪便样本进行粪便培养,以恢复和鉴定山羊体内的线虫寄生虫。在240只山羊中,通过圆形虫卵观察到的毛线虫病患病率为94.6%(227/240)。粪便培养和幼虫鉴定显示,69.8%的圆形虫为弯血蜱,25.5%为色状毛线虫,4.8%为食道口虫。在EHA中,阿苯达唑的平均LC50值为0.16 μg/ml,略高于世界兽医寄生虫学发展协会(WAAVP)规定的0.1μg/ml作为抗虫指标的鉴别剂量。因此,迫切需要筛查尼日利亚线虫寄生虫种群中是否存在阿苯达唑耐药基因。
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引用次数: 0
Assessment of Dog Owners’ Knowledge on Dog Rabies Vaccination in Rural Communities in Ogun State, Nigeria 对尼日利亚奥贡州农村社区狗主人狂犬病疫苗接种知识的评估
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V40I4.3
O. Awoyomi, N. O. Bankole, O. Kehinde, O. Adebowale
A cross sectional study was designed to assess knowledge of dog owners towards dog rabies vaccination in rural communities in Odeda local government area of Ogun State. A structured questionnaire was administered to 268 dog owners. The questionnaire sought information on demographic characteristics of the dog owners, their association with dogs, and knowledge about dog rabies vaccine. Data obtained were analyzed using chi square and logistic regression with p value set at ≤ 0.05. Dog rabies vaccination coverage in the study area was 4.9%. Most of the respondents (67.2%) were not aware of dog rabies vaccine. Only 3% of the dog owners had good knowledge about rabies vaccination. Socio-economic factors that had significant association with knowledge level were age, occupation, educational level and marital status of the respondents. There was also significant association between age, religion, occupation, educational level, awareness on dog rabies vaccination, knowledge about dog rabies vaccination, danger posed by non vaccinated dogs to the public and other animals and the intention of dog owners to vaccinate their dogs against rabies. One hundred and eighty seven respondents (70%) declared their intention to vaccinate their dogs, although 82% affirmed willingness to pay  for vaccination of their dogs against rabies; however the average amount indicated was only ₦200.00 ($0.57). In conclusion, it is free vaccination of dogs against rabies with an aggressive mass orientation on responsible dog ownership and enlightenment on fatality of clinical rabies through the mass media that can significantly alter the vaccination coverage in the studied community Key words: Rabies, vaccination, dogs, rural communities, intention
设计了一项横断面研究,以评估奥贡州奥代达地方政府地区农村社区的狗主人对狗狂犬病疫苗接种的了解情况。对268名狗主人进行了结构化问卷调查。调查问卷旨在了解狗主人的人口统计学特征、他们与狗的关系以及对狗狂犬病疫苗的了解。所得资料采用卡方和逻辑回归进行分析,p值设置为≤0.05。研究区犬狂犬病疫苗接种率为4.9%。大多数受访者(67.2%)不了解犬狂犬病疫苗。只有3%的狗主人对狂犬病疫苗有良好的了解。与知识水平有显著相关的社会经济因素有年龄、职业、文化程度和婚姻状况。年龄、宗教、职业、受教育程度、对狂犬病疫苗的认识、对狂犬病疫苗的了解、未接种疫苗的狗对公众和其他动物构成的危险以及狗主人给狗接种狂犬病疫苗的意愿之间也存在显著关联。187名应答者(70%)表示他们打算给他们的狗接种疫苗,尽管82%的人肯定愿意为他们的狗接种狂犬病疫苗;然而,所显示的平均金额仅为200奈拉(0.57美元)。综上所述,通过大众媒体积极宣传负责任养狗的大众导向和临床狂犬病病死率的启蒙,为犬免费接种狂犬病疫苗可以显著改变所研究社区的疫苗接种覆盖率。关键词:狂犬病,疫苗接种,犬,农村社区,意向
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引用次数: 0
Melatonin and Allium Sativum (Garlic) Protect Dibutyl Phthalate Influence on Spermiogram of Rabbit Bucks 褪黑素和大蒜保护邻苯二甲酸二丁酯对兔雄鹿精子图的影响
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V41I1.7
M. Shinkut, T. Aluwong, P. Rekwot, J. Bugau, F. Samuel, W. O. Echekwu
Agricultural Research Council of Nigeria, Mabushi Abuja; Department of Veterinary Physiology, Ahmadu Bello University, Zaria, Nigeria; National Animal Production Research Institute, Ahmadu Bello University, Zaria, Nigeria; Department of Theriogenology and Production, Faculty of Veterinary Medicine Ahmadu Bello University, Zaria. Nigeria; Biotechnology Research Programme, National Animal Production Research Institute, Ahmadu Bello University, Zaria. Nigeria; Department of Theriogenology and Production, Faculty of Veterinary Medicine, University of Jos, Nigeria.
尼日利亚农业研究理事会,Mabushi Abuja;尼日利亚扎里亚Ahmadu Bello大学兽医生理学系;尼日利亚扎里亚Ahmadu Bello大学国家动物生产研究所;阿赫迈杜贝洛大学兽医学院兽医学与生产学系,扎里亚。尼日利亚;扎里亚Ahmadu Bello大学国家动物生产研究所生物技术研究项目。尼日利亚;尼日利亚乔斯大学兽医学院兽医学与生产学系。
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引用次数: 0
Management of Open-Cervix Pyometra in a Four-Year-Old German Shepherd-Cross Bitch 4岁德国牧羊犬-杂交母狗开放性宫颈脓脓的处理
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V41I1.3
R. Mustapha, Y. Baba, M. Lawal, M. Abdurrahman, E. G. Emmanuel, M. T. Salawudeen, A. D. Ishamsudeen, S. Ubah
Department of Theriogenology and Production, Ahmadu Bello University, Zaria.Department of Veterinary Medicine, University of Ilorin,Ilorin.Department of Veterinary Surgery and Radiology, Ahmadu Bello University Zaria, Nigeria.Veterinary Teaching Hospital, Ahmadu Bello University Zaria, Nigeria.Department of Veterinary Microbiology, Ahmadu Bello University, Zaria, Nigeria. Department of Theriogenology, University of Abuja, Abuja, Nigeria. *Corresponding email: rhyme4bee@yahoo.com; Tel No: +2348035049184
阿赫迈杜·贝罗大学,扎里亚。伊洛林大学动物医学系,伊洛林。尼日利亚扎里亚Ahmadu Bello大学兽医外科与放射学系。尼日利亚扎里亚Ahmadu Bello大学兽医教学医院。尼日利亚扎里亚Ahmadu Bello大学兽医微生物学系。阿布贾大学,尼日利亚阿布贾。*对应邮箱:rhyme4bee@yahoo.com;电话:+2348035049184
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引用次数: 0
Occurrence of Salmonella and Shigella on Dried Crayfish (Procambarus Clarkia) Sold in Zaria and Kaduna Central Market, Kaduna State, Nigeria 在尼日利亚卡杜纳州扎里亚和卡杜纳中央市场出售的干小龙虾(克氏原螯虾)发现沙门氏菌和志贺氏菌
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V41I1.5
G. Kia, S. Mathias, D. Esonu, E. Benjamin
Dried crayfish is a rich source of protein and an important crustacean consumed all over the world.To determine the occurrence of Salmonella and Shigella in dried crayfish and crayfish sellers practices which may predispose the food item to microbial contamination, dried crayfish were sampled from 100 stalls in Samaru (n=20), Sabo (n=30) and Central market (n=50) markets of Kaduna state. Dried crayfish samples were each homogenized, analyzed for total coliform plate count, then pre-enriched and enriched in peptone water and Rappaport-Vassiliadis broth respectively, which was further cultured on Salmonella Shigella Agar (SSA). Non-lactose fermenting colonies were subjected to biochemical and Sugar tests. The overall mean coliform count was 14.95log10cfu/100ml. Salmonella and Shigella species were isolated from 12 (35.3%) and 5 (14.3%) samples respectively. Locational distribution of dried crayfish showed, Sabon gari (13.3%) and Central market Kaduna (6%) having the highest occurrence of Salmonella and Shigella suspect species respectively. Questionnaire survey administered to 100 of the crayfish sellers revealed that most of them 71 (74%) eat uncooked dried crayfish, 39% (44/100) of them use their bare hands unwashed while packaging the crayfish at point of sale. The presence of Salmonella and Shigella in crayfish from these locations is of public health significance. Therefore, public enlightenment on hygiene, sanitation and proper storage and packaging of crayfish to prevent foodborne disease outbreak such as Salmonellosis and Shigellosis in Nigeria is highly advocated.
干小龙虾是一种丰富的蛋白质来源,也是一种重要的甲壳类动物,全世界都在食用。为了确定干小龙虾中沙门氏菌和志贺氏菌的发生率以及可能使食品容易受到微生物污染的小龙虾销售商的做法,从卡杜纳州Samaru (n=20)、Sabo (n=30)和Central market (n=50)市场的100个摊位取样了干小龙虾。将干燥后的小龙虾匀浆,进行总大肠菌群计数分析,分别在蛋白胨水和Rappaport-Vassiliadis肉汤中进行预富集和富集,并在志贺氏沙门氏菌琼脂(SSA)上进行培养。非乳糖发酵菌落进行生化和糖试验。总体平均大肠菌群计数为14.95log10cfu/100ml。检出沙门氏菌12株(35.3%),志贺氏菌5株(14.3%)。沙邦加里(13.3%)和中部市场卡杜纳(6%)的干小龙虾分别以沙门氏菌和志贺氏菌可疑种的发生率最高。对100名小龙虾卖家进行的问卷调查显示,其中71名(74%)卖家食用未煮熟的干小龙虾,39%(44/100)卖家在售卖点包装小龙虾时不洗手。这些地区的小龙虾中沙门氏菌和志贺氏菌的存在具有重要的公共卫生意义。因此,在尼日利亚大力提倡对小龙虾的卫生、环境卫生和适当的储存和包装进行公众启蒙,以防止沙门氏菌病和志贺氏菌病等食源性疾病的爆发。
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引用次数: 0
Isolation and Molecular Characterization of Mycobacterium Africanum from the Sputum of Butchers in a Municipal Abattoir in 某城市屠宰场屠夫痰中非洲分枝杆菌的分离及分子特征分析
Pub Date : 2021-04-16 DOI: 10.4314/NVJ.V40I4.6
C. A. Agada, I. F. Ijabone, D. Igwe, S. Cadmus
Tuberculosis (TB) caused by the Mycobacterium tuberculosis complex (MTC) remains a major public health concern due to its high rate of person to person transfer as well as a high level of morbidity and mortality. The risk factors for transmission of zoonotic TB to humans are close physical contact with cattle, consumption of unpasteurised milk and milk products and unhealthy meat processing by butchers are common in developing countries like Nigeria. However, the circulating MTC among the occupationally exposed are unknown therefore the need to determine the prevalence of tuberculosis and to characterize the mycobacterial species in them. A crosssectional study was conducted among butchers, cattle traders and herders in Bodija Municipal Abattoir, Akinyele International Cattle Market and some herds respectively. Using systematic random sampling, 93 sputum samples were collected and analyzed by culture, Mycobacterium Genus Typing as well as Deletion Typing (Multiplex Polymerase Chain Reaction (PCR)). Of the 93 sputa collected, two (2.2%) were positive for mycobacteria by culture which were confirmed to be Mycobacterium africanum by molecular characterization. These bacilli were isolated from two butchers; one of which had the habit of eating raw meat and cherish ‘wara’ (a local soft cheese made from milk). The isolation of M. africanum from butchers in this study raises public health concern on the contamination of the meat processed as well as highlights its importance in the epidemiology of tuberculosis in Nigeria.
由结核分枝杆菌复合体(MTC)引起的结核病(TB)由于其高人际转移率以及高发病率和死亡率,仍然是一个主要的公共卫生问题。人畜共患结核病向人类传播的危险因素是与牛有密切的身体接触,食用未经高温消毒的牛奶和奶制品,以及在尼日利亚等发展中国家屠夫进行不健康的肉类加工。然而,在职业暴露者中传播的结核分枝杆菌尚不清楚,因此有必要确定结核病的患病率并确定其中分枝杆菌的种类。对Bodija市屠宰场、Akinyele国际牛市场和一些畜群的屠夫、牛贩子和牧民分别进行了横断面研究。采用系统随机抽样的方法,收集93份痰标本,进行培养、分枝杆菌属分型和缺失分型(多重聚合酶链式反应(PCR))分析。93份痰液中分枝杆菌培养阳性2份(2.2%),经分子鉴定为非洲分枝杆菌。这些杆菌是从两个屠夫身上分离出来的;其中一个习惯吃生肉,并珍惜“wara”(一种由牛奶制成的当地软奶酪)。本研究中从屠夫身上分离出非洲支原体引起了公众对加工肉类污染的关注,并突出了它在尼日利亚结核病流行病学中的重要性。
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引用次数: 1
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Nigerian Veterinary Journal
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