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Leptospirosis in Cattle From Markets of Almaty Province, Kazakhstan 哈萨克斯坦阿拉木图省市场牛的钩端螺旋体病
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0005
Z. Kirkimbayeva, B. Lozowicka, K. Biyashev, N. Sarsembaeva, G. Kuzembekova, A. Paritova
Abstract This paper is the first study of the prevalence of leptospirosis in the cattle at slaughter from a rural area of Kazakhstan. Five hundred and seventy three samples of serum, urine, and kidneys from cattle of Alatau, Kazakh white and Auliyekol breed, aged from 2 to 5 years (unknown vaccination status), from the province of Almaty in the South-Eastern region were collected during four years (March 2010 to October 2013). The serological, bacteriological, and molecular analyses were performed. Serum samples were tested with 14 reference Leptospira serovars by microscopic agglutination test (MAT). MAT results showed that 89 (15.53%) serum samples had detectable antibodies against seven serovars of L. interrogans at a dilution of ≥1:100. Serovars: Pomona (38.2%), Tarassovi (27.2%), and Kabula (18.8%) were the most prevalent and their titres ranged from 100 to 1200. The spirochetes were detected in 11 samples of urine and nine samples of kidneys under dark-field microscope observation. The pure cultures were obtained from three samples. PCR technique confirmed leptospirosis in 23 out of 89 urine samples from cows, which showed the presence of leptospiral antibodies in microagglutination test. The high disease prevalence in cows indicates the high Leptospira contamination in this area. It was concluded that the bovine leptospirosis is an endemic and locally widespread disease in Kazakhstan, and that it may play a role in zoonotic transmission to humans.
摘要本文是哈萨克斯坦农村地区屠宰牛中钩端螺旋体病流行率的首次研究。在四年(2010年3月至2013年10月)期间,从东南部地区阿拉木图省收集了2至5岁(接种情况未知)的Alatau、哈萨克白牛和Auliyekol品种的573个血清、尿液和肾脏样本。进行血清学、细菌学和分子分析。采用显微凝集试验(MAT)检测血清中14种钩端螺旋体参考血清型。MAT结果显示89份(15.53%)血清样品在≥1:100的稀释度下可检测到7种血清型疑问乳杆菌的抗体。血清型:Pomona(38.2%)、Tarassovi(27.2%)和Kabula(18.8%)最常见,滴度在100 ~ 1200之间。暗场显微镜下在11份尿样和9份肾样中检出螺旋体。从三个样品中获得纯培养物。PCR技术在89份奶牛尿液样本中,有23份被确诊为钩端螺旋体病,在微凝集试验中发现了钩端螺旋体抗体。牛的高患病率表明该地区钩端螺旋体污染程度较高。结论是,牛钩端螺旋体病是哈萨克斯坦的一种地方病和地方广泛传播的疾病,它可能在人畜共患传播中发挥作用。
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引用次数: 3
Prevalence of Asymptomatic Carriers of Shiga Toxin-Producing Escherichia Coli (STEC) in Dairy Cattle Farms in the Governorate of Blida (Algeria) 阿尔及利亚布利达省奶牛养殖场产志贺毒素大肠杆菌无症状携带者的流行情况
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0004
D. Baazize-Ammi, Ouahiba Gassem, Fawzi Derrar, K. Izri, Mohamed Brahim-Errahmani, J. Gagnon, D. Guetarni, Y. Chebloune
Abstract We investigated whether dairy beef cattle raised in Algeria are Shiga toxin-producing Escherichia coli (STEC) carriers. Stx1 and stx2 genes were analysed in DNA isolated from 200 faecal samples collected from adult dairy cows from 27 randomly selected farms in Blida, North Algeria, after amplification by PCR. Samples from 61 (30.5%) animals out of the 200 were positive and were located in 18 farms with a prevalence of 66.7%. Interestingly, no sample from any cow was positive for only the stx2 gene, while in contrast, samples from 51 cows were positive for the stx1 gene alone (83.6%) and those from 10 other cows were positive for both stx1 and stx2 genes (16.4%). It should be noted that the faecal samples infected with pathogens carrying the two genes originated from 4 out of the 18 farms that were found to be positive, with a rate of 22.2%.
摘要我们调查了在阿尔及利亚饲养的奶牛是否是产志贺毒素大肠杆菌(STEC)的携带者。从阿尔及利亚北部Blida地区随机选取的27个农场采集的200头成年奶牛粪便样本中分离出Stx1和stx2基因,采用PCR扩增方法对其DNA进行分析。200只动物中61只(30.5%)呈阳性,分布在18个养殖场,患病率为66.7%。有趣的是,没有任何奶牛的样本仅为stx2基因阳性,相反,51头奶牛的样本仅为stx1基因阳性(83.6%),另外10头奶牛的样本同时为stx1和stx2基因阳性(16.4%)。值得注意的是,携带这两种基因的病原体感染的粪便样本来自发现阳性的18个农场中的4个,比例为22.2%。
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引用次数: 2
Chlamydia Psittaci Strains from Broiler Chickens Induce Histopathological Lesions and Mortality in SPF Chickens 肉鸡鹦鹉热衣原体菌株对SPF鸡组织病理损伤和死亡的影响
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0007
L. Yin, I. Kalmar, K. Chiers, I. Debyser, D. Vanrompay
Abstract A detailed study on histopathological lesions induced by two C. psittaci outer membrane protein A (ompA) genotype B strains (10/423 and 10/525) and one genotype D strain (10/298) in experimentally infected (aerosol) specific pathogen free (SPF) chickens was performed. The strains were derived from Belgian and French commercially raised broilers with pneumonia. Both genotype B and D strains induced conjunctivitis, rhinitis, sinusitis, tracheitis, bronchitis, pneumonitis, airsacculitis, splenitis, hepatitis, nephritis, and enteritis in sequentially (days 2 to 34 post infection) euthanized chickens. Inflammation of the ovaries was only observed in genotype D infected chickens. Overall, the genotype D strain caused more severe gross and histopathological lesions and mortality (54.5%) early upon infection. The genotype D strain seemed to replicate faster as severity of the lesions increased more quickly. C. psittaci is a primary pathogen in chickens, and efficient monitoring and control of this emerging zoonotic pathogen is urgently needed.
摘要本文研究了2株鹦鹉螺杆菌外膜蛋白A (ompA)基因型B株(10/423和10/525)和1株基因型D株(10/298)对实验感染(气溶胶)特异性无病原体(SPF)鸡的组织病理学损害。这些菌株来自比利时和法国商业饲养的患有肺炎的肉鸡。基因型B和D菌株依次(感染后第2天至第34天)在被安乐死的鸡中诱发结膜炎、鼻炎、鼻窦炎、气管炎、支气管炎、肺炎、气囊炎、脾炎、肝炎、肾炎和肠炎。仅在基因D型感染鸡中观察到卵巢炎症。总体而言,基因型D菌株在感染早期引起更严重的肉眼和组织病理学病变和死亡率(54.5%)。基因型D菌株似乎随着病变严重程度的增加而复制得更快。鹦鹉螺杆菌是鸡的主要病原体,迫切需要对这一新兴的人畜共患病原体进行有效的监测和控制。
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引用次数: 1
Occurrence of Animal-Origin Constituents in Feeds 饲料中动物源性成分的出现
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0009
A. Weiner, I. Paprocka, A. Gołębiowska, K. Kwiatek
Abstract The aim of the study was to gather and analyse available data concerning the presence of terrestrial animal constituents in feeds in Poland. A microscopic method of identification of the contaminants was used. Between 2012 and 2013, overall 16 139 samples of feeds were analysed, from which 282 (1.75%) contained elements from terrestrial animals. The percentage of feeds contaminated with such elements was lower in 2013. In 2012, among 8 499 samples analysed, 203 (2.39%) contained ingredients of animal origin, and in 2013, the elements were found in 79 (1.03%) out of 7640 samples. The percentage of feed samples positive for processed animal protein was relatively low and steadily decreasing. Furthermore, the microscopic method demonstrated to be a very sensitive technique for the detection of constituents of animal origin.
摘要该研究的目的是收集和分析有关波兰饲料中陆生动物成分存在的现有数据。采用显微法对污染物进行了鉴别。2012年至2013年期间,共分析了16139份饲料样本,其中282份(1.75%)含有陆生动物的元素。2013年受这些元素污染的饲料比例较低。2012年,在分析的8 499份样品中,203份(2.39%)含有动物源性成分,2013年,7640份样品中有79份(1.03%)含有动物源性成分。饲料样品中加工动物蛋白检测呈阳性的比例相对较低,且呈稳步下降趋势。此外,显微方法被证明是一种非常敏感的技术,用于检测动物来源的成分。
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引用次数: 0
Effectiveness of Dry Cow Therapy Comprising Antibiotic Treatment, Internal Teat Sealant, and α-Tocopherol Against New Intramammary Infections in Cows 含有抗生素治疗、乳内密封剂和α-生育酚的干奶牛治疗奶牛新发乳内感染的效果
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0011
M. Cengiz, A. Baştan
Abstract The aim of this study was to evaluate the preventive effectiveness of dry cow therapy based on antibiotic, internal teat sealant, and α-tocopherol administered separately or in various combinations at drying-off The study was performed on 322 uninfected quarters of 95 cows originating from three dairy herds. The new intramammary infection rates after calving were measured to evaluate the effectiveness. The quarters were divided into six groups differing in treatment, namely: control group (group C, n = 40) and five treatment groups. Treatment groups were arranged as follows: group A (antibiotic alone, n = 81), group AS (antibiotic + sealant, n = 40), group AST (antibiotic + sealant + α-tocopherol, n = 40), group T (α-tocopherol alone, n = 40), group S (sealant alone, n = 81). New infection rate amounted to 47.5% in group C. The treatment in group AST significantly prevented from the occurrence of new intramammary infections (12.5%, P < 0.05), especially those caused by major pathogens. Antibiotic treatment alone (group A) did not prevent from new infections (34.6%, P > 0.05), although the use of the sealant alone (group S) decreased the risk of new infection (24.7%, P < 0.05). A decrease in new infection rate (25%, P < 0.05) was also observed in AS group treated with the combination of the sealant and antibiotic. α -tocopherol supplementation alone (group T) had no overall effect on new infections (35%, P > 0.05). Increased α-tocopherol level (P < 0.05) was detected after calving in the quarters from cows that received α-tocopherol injections. In conclusion, the combination of antibiotic, internal teat sealant, and α-tocopherol used in dry cow therapy showed a significantly better preventive effect against new intramammary infections, than the therapeutics administered separately.
摘要本研究的目的是评价以抗生素、乳内密封剂和α-生育酚为基础的干牛治疗的预防效果,该治疗分别在干牛时或在干牛时不同组合给药。测定产犊后新发乳内感染率,评价其效果。按不同的治疗方法将宿舍分为6组,即:对照组(C组,n = 40)和5个治疗组。治疗组分为:A组(单药抗生素,n = 81)、as组(抗生素+密封剂,n = 40)、AST组(抗生素+密封剂+ α-生育酚,n = 40)、T组(单药α-生育酚,n = 40)、S组(单药密封剂,n = 81)。c组的新发感染率为47.5%,AST组的新发感染率明显低于对照组(12.5%,P < 0.05),尤其是主要病原菌引起的新发感染。单独使用抗生素(A组)不能预防新发感染(34.6%,P < 0.05),而单独使用密封胶(S组)可降低新发感染的风险(24.7%,P < 0.05)。AS组新发感染率明显降低(25%,P < 0.05)。单独补充α -生育酚(T组)对新发感染无总体影响(35%,P < 0.05)。注射α-生育酚的奶牛产犊后各季度α-生育酚水平显著升高(P < 0.05)。综上所述,抗菌素、乳内密封剂和α-生育酚联合应用于干奶牛治疗中,对新发乳内感染的预防效果明显优于单独使用。
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引用次数: 7
Phenotypic and Genotypic Antimicrobial Resistance of Lactococcus Sp. Strains Isolated from Rainbow Trout (Oncorhynchus Mykiss) 虹鳟鱼乳球菌的表型和基因型耐药性研究
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0006
M. Ture, H. Boran
Abstract A current profile of antimicrobial resistance and plasmid of 29 Lactococcus garvieae and one Lactococcus lactis strains isolated from rainbow trouts (Oncorhynchus mykiss) from farms throughout Turkey were investigated. All isolates were sensitive to penicillin G (90%), ampicillin (86.7%), florfenicol (83.3%), amoxicillin (80.1%), and tetracycline (73.4%), and resistant to trimethoprim+sulfamethoxazole (86.6%) and gentamycin (46.6%) by disc diffusion method. Twenty-eight (93%) isolates had two to seven antibiotic resistance genes (ARGs) determined by PCR. The most prevalent ARGs were tetracycline (tetB), erythromycin (ereB), and β-lactam (blaTEM). Bacterial strains were also screened for plasmid DNA by agarose gel electrophoresis and two strains harboured plasmids, with sizes ranging from 3 to 9 kb.
摘要对土耳其虹鳟鱼(Oncorhynchus mykiss)中29株garvieae乳球菌和1株乳酸乳球菌的耐药现状和质粒进行了研究。圆盘扩散法对青霉素G(90%)、氨苄西林(86.7%)、氟苯尼考(83.3%)、阿莫西林(80.1%)、四环素(73.4%)敏感,对甲氧苄啶+磺胺甲新唑(86.6%)、庆大霉素(46.6%)耐药。28株(93%)经PCR检测出2 ~ 7个耐药基因(ARGs)。最常见的ARGs是四环素(tetB)、红霉素(ereB)和β-内酰胺(blaTEM)。用琼脂糖凝胶电泳法对菌株进行质粒DNA筛选,两株菌株的质粒大小在3 ~ 9 kb之间。
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引用次数: 12
Effectiveness of Selected Stages of Wastewater Treatment in Elimination of Eggs of Intestinal Parasites 污水处理不同阶段去除肠道寄生虫虫卵的效果
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0008
J. Zdybel, T. Cencek, J. Karamon, Teresa Kłapeć
Abstract The objective of the study was to determine the degree of municipal wastewater contamination with intestinal parasite eggs of the genera Ascaris, Toxocara, and Trichuris at individual stages of treatment, and indication of potentially weak points in the hygienisation of sewage sludge. The study was conducted in 17 municipal mechanical-biological wastewater treatment plants which, to a slight degree, differed in the technological process of wastewater treatment and the method of hygienisation of sewage sludge. The selected treatment plants, located in seven regions, included five classified as large agglomerations (population equivalent - PE >100 000), ten as medium-size (PE 15 000-100 000), and two as smaller size with PE 10 000 - 5000. The largest number of viable eggs of Ascaris spp., Toxocara spp., and Trichuris spp. was found in the sewage sludge collected from the primary settling tank. A slightly lower number of the eggs were found in the samples of excess sludge, which indicates that the sedimentation process in the primary settling tank is not sufficiently long to effectively separate parasites’ eggs from the sewage treated. The number of eggs of Ascaris spp. and Toxocara spp. in the fermented sludge was nearly 3 times lower than that in the raw sludge. The effectiveness of hygienisation of dehydrated sewage sludge by means of quicklime was confirmed in two wastewater treatment plants, with respect to Ascaris spp. eggs, in three plants with respect to Toxocara spp. eggs, and in one plant with respect to Trichuris spp. eggs. The mean reduction of the number of eggs was 65%, 61%, and 100%, respectively. In one wastewater treatment plant, a reduction in the number of viable eggs of Ascaris and Trichuris species was also noted as a result of composting sludge by 85% and 75%, respectively. In the remaining treatment plants, no effect of hygienisation of sewage sludge was observed on the contents of viable eggs of these nematodes.
摘要本研究的目的是确定城市污水在各个处理阶段被蛔虫、弓形虫和毛虫属肠道寄生虫卵污染的程度,并指出污水污泥卫生中潜在的弱点。本研究选取了17个城市机械生物污水处理厂进行研究,这些污水处理厂在污水处理工艺流程和污泥卫生学方法上存在一定程度的差异。所选的处理厂位于7个地区,其中5个被分类为大型集聚区(人口当量-100万),10个中型(15 000-10万),2个较小规模(10 000- 5000)。在初沉池收集的污泥中,蛔虫、弓形虫和滴虫的活虫卵数量最多。剩余污泥样品中虫卵数量略低,说明初级沉淀池的沉降过程时间不够长,无法有效地将寄生虫虫卵从处理过的污水中分离出来。发酵污泥中蛔虫和弓形虫的卵数比原液中减少了近3倍。用生石灰对脱水污泥进行卫生学处理的效果在两个污水处理厂得到证实,分别是对蛔虫虫卵、三个工厂对弓形虫虫卵、一个工厂对滴虫虫卵。鸡蛋数量的平均减少率分别为65%、61%和100%。在一个污水处理厂,由于堆肥污泥,蛔虫和曲毛虫的活卵数量也分别减少了85%和75%。在其余的污水处理厂中,没有观察到污水污泥卫生化对这些线虫活卵含量的影响。
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引用次数: 16
Pathomorphological Changes of the Myocardium in Canine Dilated Cardiomyopathy (DCM) 犬扩张型心肌病(DCM)心肌病理形态学变化
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0020
I. Janus, M. Nowak, J. Madej
Abstract The study was conducted on ventricular and atrial wall preparations from 11 dogs with clinically diagnosed dilated cardiomyopathy. After fixation, the specimens were stained with haematoxylin and eosin and Masson-Goldner trichrome technique. Parenchymal changes (fibrosis and fatty infiltration), vascular changes (congestion and coronary vessel wall hypertrophy), degenerative changes (loss of striation, changes in cardiomycyte and nuclei structure), and presence of inflammatory infiltrates (mononuclear and polynuclear) were estimated. Complex histological changes in both ventricular and atrial muscles were shown. It was not determined whether the processes occurring in the myocardium have a primary character, or are a consequence of developing heart failure. Such issues will be put under further and more detailed examination.
摘要本研究对11只临床诊断为扩张型心肌病的犬进行了心室和心房壁的制备。固定后,标本进行苏木精、伊红染色和马森-戈德纳三色染色。估计实质改变(纤维化和脂肪浸润)、血管改变(充血和冠状血管壁肥大)、退行性改变(条纹丧失、心肌细胞和细胞核结构改变)以及炎症浸润(单核和多核)的存在。心室肌和心房肌出现复杂的组织学变化。目前还不确定发生在心肌中的过程是否具有原发性特征,还是发展为心力衰竭的结果。这些问题将得到进一步和更详细的审查。
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引用次数: 6
Prediction of the Spatial Distribution of Bovine Endemic Fluorosis Using Ordinary Kriging 用普通克里格法预测牛地方性氟中毒的空间分布
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0024
Lin Li, Jing Dong, Jiageng Dong, Bo Yu, Jichang Peng, Jianbin He
Abstract The aim of the studies was to develop an alternative method which could overcome the lack of sampling to improve the efficiency of control efforts for bovine endemic fluorosis. The spatial distribution characteristics of the disease were analysed and a prediction model for the estimation of fluorosis distribution in some districts in northwest Liaoning province in China was established. The model used ordinary kriging, and was evaluated using cross-validation. Analysis showed that the distribution of the disease was spatial autocorrelation. The prediction error of the cross-validation (ME = -0.0092, PMSE = 0.627, AKSE = 0.597, and RMSP = 1.007) and comparison with the actual disease distribution indicated that the prediction map accurately distributed bovine endemic fluorosis. It is feasible to predict bovine endemic fluorosis in the area by using ordinary kriging and limited data.
摘要本研究的目的是开发一种替代方法,可以克服缺乏采样,以提高牛地方性氟中毒的控制工作效率。分析了该疾病的空间分布特征,建立了辽西北部分地区氟中毒分布的预测模型。模型采用普通克里格法,并进行交叉验证。分析表明,该病的分布具有空间自相关性。交叉验证的预测误差(ME = -0.0092, PMSE = 0.627, AKSE = 0.597, RMSP = 1.007)以及与实际疾病分布的比较表明,预测图准确地分布了牛地方性氟中毒。利用普通克里格法和有限的数据预测该地区牛地方性氟中毒是可行的。
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引用次数: 1
Effect of 28-Day Exposure to Fenpropathrin on the Activities of Serum Alanine Transaminase and Liver Antioxidant Enzymes in Mice 甲氰菊酯28 d对小鼠血清丙氨酸转氨酶和肝脏抗氧化酶活性的影响
Pub Date : 2015-03-01 DOI: 10.1515/BVIP-2015-0025
B. Nieradko-Iwanicka, A. Borzęcki
Abstract Fenpropathrin (FEN) was administered intraperitoneally in doses of 2.38 mg/kg, 5.9 5mg/kg, or 11.9 mg/kg b.w. to mice for 28 consecutive days. FEN did not significantly affect the activity of alanine transaminase (ALT) in the sera. Superoxide dismutase and glutathione peroxidase activities were significantly elevated in the liver after a 28-d exposure to moderate or highest doses of the pesticide. These results demonstrate that the 28-day exposure to FEN leads to an up-regulation of expression of antioxidant enzymes in response to an oxidative stress in mouse liver without causing a significant increase in ALT activity.
摘要采用2.38 mg/kg、5.9 mg/kg、11.9 mg/kg体重对小鼠腹腔注射甲氰菊酯(FEN),连续28 d。FEN对血清丙氨酸转氨酶(ALT)活性无显著影响。暴露于中等或最高剂量农药28天后,肝脏中超氧化物歧化酶和谷胱甘肽过氧化物酶活性显著升高。这些结果表明,暴露于FEN 28天会导致小鼠肝脏中抗氧化酶的表达上调,以应对氧化应激,而不会导致ALT活性显著增加。
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引用次数: 8
期刊
Bulletin of The Veterinary Institute in Pulawy
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