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Genetic Polymorphisms and Association of Growth Hormone Gene with Growth Traits in Beetal Goat 山羊生长激素基因的遗传多态性及其与生长性状的关系
Pub Date : 2024-07-18 DOI: 10.18805/ijar.b-5270
Surpreet Singh Dhillon, Dhirendra Kumar, Nazam Khan, D. Chakraborty, Kashif Dawood Khan, Vikas Mahajan
Background: This investigation was aimed to determine the association of growth hormone GH1 (A781G) and GH2 (A1575G) locus with growth traits in Beetal goats by using PCR-RFLP method. Methods: A total of 60 blood samples from Beetal goat were collected along with growth records (body weight in kg) at 0, 3, 6, 9 and 12 month of age maintained at Goat Dairy Farm Rajbagh, Jammu. DNA was extracted from blood samples by using DNA extraction kit. The target segment of GH 1 and 2 locus was amplified and digested with HaeIII restriction enzyme for scoring of genotypes. Result: The amplified PCR product obtained for GH1 (422 bp) and GH2 (116 bp) locus were digested with HaeIII restriction enzyme at 37°C for 15 min. The resultant digested products revealed three genotypes for GH1: AA (422 bp), BB (366 bp, 56 bp) and AB (422 bp, 366 bp and 56 bp) whereas, one genotype was observed for GH2 i.e., BB (88bp and 28bp). The genotypic frequencies in Beetal goat for GH1 were found to be 0.05 for AA genotype, 0.80 for AB genotype, 0.15 for BB genotype, whereas gene frequencies was 0.45 for A allele and 0.55 for B allele. GH2 locus was found to be monomorphic. The highly significant (P less than 0.01) Chi-square (χ²)-test value for GH1 locus showed that the population was not in HWE. BB genotype has a significantly higher (P less than 0.01) body weight followed by AA and AB genotypes at 9 and 12 month of age. Thus, GH1 locus can be used as a candidate gene to improve growth traits and selection of superior animals at an early age of 9 months for phenotypic selection programmes in Beetal goats.
研究背景本研究旨在利用 PCR-RFLP 方法测定生长激素 GH1 (A781G) 和 GH2 (A1575G) 基因座与贝他山羊生长性状的相关性。研究方法在查谟的拉杰巴格山羊奶牛场(Goat Dairy Farm Rajbagh, Jammu)收集了 60 份贝塔尔山羊的血液样本以及 0、3、6、9 和 12 月龄时的生长记录(体重,单位:千克)。使用 DNA 提取试剂盒从血液样本中提取 DNA。扩增 GH 1 和 2 基因座的目标片段,并用 HaeIII 限制性酶进行消化,以确定基因型。结果用 HaeIII 限制性酶在 37°C 下消化 GH1(422 bp)和 GH2(116 bp)基因座的扩增 PCR 产物 15 分钟。消化产物显示 GH1 有三种基因型:AA(422 bp)、BB(366 bp、56 bp)和 AB(422 bp、366 bp 和 56 bp),而 GH2 只有一种基因型,即 BB(88 bp 和 28 bp)。在 Beetal 山羊中,GH1 基因型频率为:AA 基因型 0.05、AB 基因型 0.80、BB 基因型 0.15,而基因频率为:A 等位基因 0.45、B 等位基因 0.55。GH2 基因座被发现是单态的。GH1位点的Chi-square(χ²)检验值极显著(P小于0.01),表明该群体不处于HWE状态。在 9 月龄和 12 月龄时,BB 基因型的体重明显较高(P 小于 0.01),其次是 AA 和 AB 基因型。因此,GH1基因位点可作为候选基因,用于改善贝他山羊的生长性状,并在9月龄早期进行表型选育,以选育出优良的动物。
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引用次数: 0
GC-MS Analysis and Molecular Docking Studies of Lavandula dentata Leaves Extract of Taif Region, Saudi Arabia 沙特阿拉伯塔伊夫地区薰衣草叶提取物的气相色谱-质谱分析和分子对接研究
Pub Date : 2024-07-18 DOI: 10.18805/ijar.bf-1808
Hanan Ramadan Hamad Mohamed, N. Hussien
Background: Lavandula dentata is recognized for its therapeutic properties and has been traditionally used in various medicinal applications. Monoamine oxidases (MAOs) are critical for neurotransmitters breaking down; therefore, their inhibitors treat neurodegenerative disorders such as Alzheimer, Parkinson and amyotrophic lateral sclerosis diseases. Methods: The current study was done to analyze the bioactive compounds present in the methanolic extract of Lavandula dentata of Taif region, Saudi Arabia using Gas Chromatography-Mass Spectrometry (GC-MS) analysis. In addition, computational analysis using SwissADME and ProTox-II was used to predict the physicochemical and biological activities and predicted toxicity of four selected components from lavender extract. Moreover, linalool and 7-Methoxy-2-oxo-2H-chromene-3-carboxylic acid were selected for the molecular docking of Monoamine Oxidase A. Result: GC-MS analysis revealed a diverse array of bioactive compounds, including but not limited to linalool, retinal, chromene-2-one and 7-Methoxy-2-oxo-2H-chromene-3-carboxylic acid, which are known for their pharmacological activities such as antimicrobial, anti-inflammatory and anxiolytic effects. In silico analysis has assumed that linalool is safe with a predicted toxicity LD50 2200 mg/kg (Class: 5). The docking affinity score of linalool to Monoamine Oxidase A is -24.4 and appears more stable in the docking site box due to the presence of nine hydrophobic interactions. Collectively this study contributes to the understanding of the chemical profile of Lavandula dentata and highlights its suitability for pharmaceutical and therapeutic applications along with exploring the specific bioactivities and potential synergistic effects of these compounds. In particular, linalool emerges as a promising bioactive compound in neurodegenerative disorders therapy through Monoamine oxidase A inhibition.
背景:牙薰衣草具有公认的治疗特性,历来被用于各种医疗用途。单胺氧化酶(MAOs)是神经递质分解的关键,因此其抑制剂可治疗神经退行性疾病,如阿尔茨海默病、帕金森病和肌萎缩侧索硬化症。研究方法本研究采用气相色谱-质谱法(GC-MS)分析沙特阿拉伯塔伊夫地区的齿薰草甲醇提取物中的生物活性化合物。此外,还利用 SwissADME 和 ProTox-II 进行了计算分析,以预测薰衣草提取物中四种选定成分的理化和生物活性以及毒性。此外,还选择了芳樟醇和 7-甲氧基-2-氧代-2H-苯并吡喃-3-羧酸与单胺氧化酶 A 进行分子对接:气相色谱-质谱分析发现了多种生物活性化合物,包括但不限于芳樟醇、视黄醛、色烯-2-酮和 7-甲氧基-2-氧代-2H-苯并吡喃-3-羧酸。硅学分析认为芳樟醇是安全的,其预测毒性 LD50 为 2200 毫克/千克(5 级)。芳樟醇与单胺氧化酶 A 的对接亲和力得分为-24.4,由于存在九种疏水相互作用,因此在对接位点框中显得更加稳定。总之,这项研究有助于人们了解齿薰衣草的化学特征,并突出了其在制药和治疗应用方面的适用性,同时还探索了这些化合物的特定生物活性和潜在协同效应。尤其是,芳樟醇通过抑制单胺氧化酶 A,成为治疗神经退行性疾病的一种很有前景的生物活性化合物。
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引用次数: 0
Digital Revolution in Livestock Farming: Empowering Indian Farmers with TNAU Cattle Expert System and User Feedback Insights 畜牧业的数字革命:利用 TNAU 养牛专家系统和用户反馈意见增强印度农民的能力
Pub Date : 2024-07-18 DOI: 10.18805/ijar.b-5383
C. Karthikeyan, S.R. Shri Rangasami, S. A. Kumar, R. Ajaykumar, K. Harishankar, M. Thirunavukkarasu, R. Karthika
Background: Cattle husbandry in India is a cornerstone of the agricultural sector, supporting the livelihoods of millions of farmers. However, the industry grapples with challenges such as disease outbreaks, low productivity and limited access to veterinary services. The TNAU Cattle Expert System Application represents a digital innovation aimed at addressing these challenges by providing farmers with real-time guidance on various aspects of cattle management. Methods: The study was meticulously conducted in Tamil Nadu over the years of both 2022 and 2023. Feedback was systematically collected from 523 users of the TNAU Cattle Expert System Application. Text analysis tools were employed to categorize sentiments as positive, negative or neutral using Azure machine learing sotware in MS Excel. Log Regression was carried out to identify the variance of feedback sentiments followed by cluster analysis through jamovi further classified feedback into distinct groups, revealing patterns in user engagement. Result: Positive feedback praised the application’s detailed information on cattle protection and disease precautions, particularly for FMD, BRD, Mastitis, Johne’s disease, Brucellosis, Clostridia diseases and BVD. “Delicate” users (38.54%) gave appreciative feedback, “Arbitrator” users (26.04%) offered diverse opinions, “Eloquent” users (18.75%) expressed positive sentiments, while “Criticizer” (12.50%) and “Harsh stringer” users (4.17%) provided critical insights.
背景:印度的养牛业是农业部门的基石,支撑着数百万农民的生计。然而,该行业面临着疾病爆发、生产力低下和兽医服务有限等挑战。TNAU 养牛专家系统应用程序是一项数字创新,旨在通过为农民提供牛群管理各方面的实时指导来应对这些挑战。研究方法这项研究于 2022 年和 2023 年在泰米尔纳德邦精心进行。系统地收集了泰米尔纳德邦养牛专家系统应用程序 523 名用户的反馈意见。使用 MS Excel 中的 Azure 机器学习软件,采用文本分析工具将情绪分为积极、消极和中性。进行对数回归以确定反馈情绪的差异,然后通过 jamovi 进行聚类分析,进一步将反馈分为不同的组别,揭示用户参与的模式。结果:积极的反馈意见赞扬了应用程序提供的有关牛只保护和疾病预防的详细信息,尤其是有关口蹄疫、白喉、破伤风、乳腺炎、约翰氏病、布鲁氏菌病、梭菌病和BVD的信息。"细心 "的用户(38.54%)给予了赞赏,"仲裁者 "的用户(26.04%)提出了不同意见,"能言善辩 "的用户(18.75%)表达了积极情绪,而 "批评者"(12.50%)和 "苛刻者"(4.17%)则提出了批评意见。
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引用次数: 0
An in silico Evaluation of Anti-diabetic Potential of Vasicine, A Quinazoline Alkaloid of Justicia adhatoda Linnaeus 林尼厄斯的一种喹唑啉类生物碱--Vasicine 的抗糖尿病潜力的硅学评估
Pub Date : 2024-07-18 DOI: 10.18805/ijar.b-5278
K.S. Ravali, G. Sarathchandra, S. Kumary, P.L. Sujatha, T.A. Kannan, M. Parthiban
Background: Diabetes mellitus, a chronic metabolic disease with multiple secondary effects, is on the rise. Treatment of type II diabetes mellitus with phytochemicals is gaining importance to avoid secondary complications used in the treatment. Justicia adhatoda is said to be an evergreen perennial shrub with a multitude of uses, especially as a stimulant of the respiratory tract. Methods: Vasicine, a major alkaloid extracted from the leaves of the adhatoda was used in the current study to identify its antidiabetic activity through the Computer Aided Drug Design technique. The molecular docking technique was performed between vasicine and five different receptors Protein Tyrosine Phosphate 1B (PTP 1B), Glucose Transporter (GLUT2), Glucagon Like Peptide 1 (GLP-1) and Peroxisome Proliferator Activated Receptors (PPAR Ɣ) which are usually targeted by anti-diabetic drugs. The Libdock score for the interaction between the receptors and vasicine is indicative of the antidiabetic activity of the vasicine in various pathways. Result: PTP 1B presented the highest LibDock score of 101.46 indicating the antidiabetic property of vasicine.
背景:糖尿病是一种慢性代谢性疾病,具有多种继发性影响,发病率呈上升趋势。利用植物化学物质治疗 II 型糖尿病以避免治疗过程中出现继发性并发症的重要性日益凸显。据说 Justicia adhatoda 是一种多年生常绿灌木,具有多种用途,尤其是作为呼吸道的兴奋剂。方法:本研究使用了从阿达朵叶中提取的一种主要生物碱--瓦西碱,通过计算机辅助药物设计技术确定其抗糖尿病活性。研究人员采用分子对接技术,将血管宁与抗糖尿病药物通常针对的五种不同受体:酪氨酸磷酸蛋白 1B (PTP 1B)、葡萄糖转运体 (GLUT2)、胰高血糖素样肽 1 (GLP-1) 和过氧化物酶体增殖激活受体 (PPAR Ɣ)进行了对接。受体与血管紧张素之间相互作用的 Libdock 评分表明血管紧张素在各种途径中的抗糖尿病活性。结果显示PTP 1B 的 LibDock 得分最高,为 101.46 分,表明了血管宁的抗糖尿病特性。
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引用次数: 0
Effects of Sweetgum Oil on Experimental Chronic Gastritis in Rat Model 甘松油对大鼠实验性慢性胃炎的影响
Pub Date : 2024-07-18 DOI: 10.18805/ijar.drf-393
R. Kiyici, H.A. Akkan, B. K. Karaayvaz, M. Karaca, O. Ozmen, A. Kart, S. Garlı
Background: Sweetgum oil has been traditionally used to treat wounds, respiratory tract problems, osteoarthritis and various stomach ailments. In this study, the effects of sweetgum oil on ethanol-induced chronic gastritis in rats were investigated. Methods: Thirty Wistar albino rats were divided into 5 groups. Group 1 served as control and received no treatment. Except for control, all animals received oral doses of 8 g/kg of 56% ethanol twice a week for 4 weeks to induce gastritis. Group 2, the ethanol group received only ethanol. Group 3 was treated with the conventional treatment of 20 mg/kg omeprazole daily for 2 weeks. Group 4 was treated with 150 mg/kg of sweetgum oil dissolved in olive oil daily for 2 weeks. Group 5 was treated orally with 0.6 ml olive oil daily for 2 weeks. Result: Histopathological and immunohistochemical examinations were performed on the stomach samples. Ethanol caused severe erosive ulcerative lesions in the gastric mucosa and inflammatory cell infiltrations in the propria mucosa. In immunohistochemical examination, marked increases in interleukin-10 (IL-10), interleukin-1β (IL-β) and platelet endothelial cell adhesion molecule 1 (PECAM-1) expressions were observed in this group. Omeprazole treatment significantly reduced these pathological findings. Sweetgum oil provided significant improvement in histopathological and immunohistochemical findings, but the protection was not as effective as omeprazole. Moderate healing effects were also observed with olive oil. Sweetgum oil has a curative effect on chronic gastritis, although it is not as effective as omeprazole. Moreover, olive oil has a curative effect on gastritis.
背景介绍甘松油传统上用于治疗伤口、呼吸道疾病、骨关节炎和各种胃病。本研究探讨了甘松油对乙醇诱导的慢性胃炎大鼠的影响。研究方法将 30 只 Wistar 白化大鼠分为 5 组。第 1 组为对照组,不接受任何治疗。除对照组外,所有动物均口服剂量为 8 克/千克的 56% 乙醇,每周两次,连续 4 周,以诱发胃炎。乙醇组只接受乙醇治疗。第 3 组接受常规治疗,每天服用 20 毫克/千克奥美拉唑,连续 2 周。第 4 组每天服用 150 毫克/千克溶于橄榄油的甘菊油,连续 2 周。第 5 组每天口服 0.6 毫升橄榄油,持续 2 周。结果对胃部样本进行了组织病理学和免疫组化检查。乙醇导致胃黏膜严重糜烂性溃疡和胃黏膜固有层炎症细胞浸润。在免疫组化检查中,观察到该组白细胞介素-10(IL-10)、白细胞介素-1β(IL-β)和血小板内皮细胞粘附分子 1(PECAM-1)的表达明显增加。奥美拉唑治疗可明显减少这些病理结果。甘草油明显改善了组织病理学和免疫组化结果,但其保护效果不如奥美拉唑。橄榄油也有适度的治疗效果。甘草油对慢性胃炎有治疗作用,但效果不如奥美拉唑。此外,橄榄油对胃炎也有治疗作用。
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引用次数: 0
Lumpy Skin Disease Detection in Cattle by a Robust Approach using Advanced Convolutional Neural Networks 使用高级卷积神经网络的鲁棒方法检测牛的结节性皮肤病
Pub Date : 2024-07-17 DOI: 10.18805/ijar.bf-1793
A. Alzubi
Background: Lumpy skin disease (LSD) is a significant health concern for cattle globally and poses economic threats by affecting various aspects of cattle health. Integrating artificial intelligence (AI) and machine learning (ML) with visual inspections and biosensor data has shown promise in enhancing disease detection and diagnosis. The present study harnesses the potential of Convolutional Neural Networks (CNN) and image processing for detecting LSD. Methods: Using images from the agricultural landscape, this study highlights the significance of convolutional neural networks that identify the lumpy skin disease (LSD) in animals. Images are categorized into two groups: LSD (infected skin) and non-LSD (normal skin). This is achieved by applying a deeply designed deep learning model carefully built to fulfill this particular need. Evaluation metrics assess the model’s performance, including accuracy, loss and a confusion matrix. Result: A CNN-based model trained for 50 epochs to classify skin conditions, achieved an 86.54% accuracy. The study underscores the potential of CNN in early LSD detection, paving the way for practical applications in veterinary medicine. Future work involves addressing dataset limitations, refining model parameters, reducing image noise, exploring different feature extraction methods and investigating additional animal skin conditions.
背景:结节性皮肤病(LSD)是全球牛只健康的一个重大问题,它影响牛只健康的各个方面,对经济造成威胁。将人工智能(AI)和机器学习(ML)与视觉检测和生物传感器数据相结合,有望提高疾病检测和诊断水平。本研究利用卷积神经网络(CNN)和图像处理的潜力来检测 LSD。方法:本研究利用农业景观图像,强调了卷积神经网络识别动物块状皮肤病(LSD)的重要性。图像分为两组:LSD(感染皮肤)和非 LSD(正常皮肤)。这是通过应用为满足这一特殊需求而精心设计的深度学习模型来实现的。评估指标对模型的性能进行评估,包括准确率、损失和混淆矩阵。结果:基于 CNN 的模型经过 50 次历时训练后,皮肤状况分类准确率达到 86.54%。这项研究强调了 CNN 在早期 LSD 检测方面的潜力,为兽医学的实际应用铺平了道路。未来的工作包括解决数据集的局限性、完善模型参数、降低图像噪声、探索不同的特征提取方法以及研究更多的动物皮肤状况。
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引用次数: 0
Biochemical, Molecular, Postmortem and Histopathological Characterization of Bovine Theilerioses at Different Stages of Production and Reproduction 不同生产和繁殖阶段牛传染性软疣的生化、分子、尸检和组织病理学特征分析
Pub Date : 2024-07-17 DOI: 10.18805/ijar.b-5400
H. Dutta, S. K. Panda, S. Sathapathy, B.N. Mohanty, C. Mishra, G.R. Jena
Theilerosis is the most important common vector (Tick) born and hemoprotozoan diseases (TBDS) which pose a serious threat to the livestock population in terms of mortality, reduced milk yield and lowered draft power. The disease is having impact on biochemistry and systemic functions affecting at different stages of production and reproduction of dairy cattle as well as there is lack of accurate diagnosis of this disease. A total 1900 cases were suspected for theileriosis on the basis of clinical signs and total 950 cases were found positive for theileriosis on the basis of blood smear examination. As per the stages of pregnancy and lactation, the cases were classified as cows in early pregnancy, cows in late pregnancy, cows in post parturient stage, cows in early and late lactation period. Biochemical alterations like increased AST, ALT and BUN level indicating liver and kidney dysfunctions in all the groups and significantly higher in post parturient group. The serum phosphorus, calcium and magnesium level decreased in all the affected groups and mostly in late pregnancy period and post parturient stage indicating metabolic disturbances during the disease which were aggravated during theileriosis. Through molecular diagnosis 114 cows (65.51%) were found positive for T. annulata and 41 cows (22.9%) were found positive for T. orientalis and 19 cows (10.9%) were found positive for both Theileria annulata and Theileria orientalis. Phylogenetic analysis revealed the accession number for Theileria annulata was OQ230445 which is having 100% similarity with puri isolate and 98% similarity with Khorda isolate and the accession number for T. orientalis was OQ 230446 having 85% similarity with Khorda isolate. On necropsy, the animals were weak, debilitated with atrophy of the muscles. In some cases, the liver was enlarged, markedly congested and in some cases yellowish tinged surface and cut edges with distension of gall bladder was evident. Abomasal ulcers were distinct and considered as pathognomonic. On histopathological examination, the liver revealed necrosis of hepatocytes with sinusoidal congestion and infiltration of mononuclear cells. In lymphnode, there was depletion of lymphocytes in lymphoid follicles with congestion and haemorrhage. Pulmonary edema was also evident in few cases. The combined approach involving biochemical, molecular, Post-mortem and histopathological characters were found to be fruitful in diagnosis of the bovine theileriosis at different stages of production and reproduction with optimum specificity.
鸡瘟是最重要的常见病媒(蜱)生血吸虫疾病(TBDS),对牲畜的死亡率、产奶量和吃奶力下降构成严重威胁。这种疾病对乳牛不同生产和繁殖阶段的生物化学和系统功能都有影响,而且缺乏对这种疾病的准确诊断。根据临床症状,共有 1900 个病例被怀疑患有沙雷氏菌病,而根据血液涂片检查,共有 950 个病例对沙雷氏菌病呈阳性反应。根据妊娠和哺乳阶段,病例被分为妊娠早期奶牛、妊娠晚期奶牛、产后奶牛、哺乳早期和哺乳晚期奶牛。生化指标的变化,如谷草转氨酶(AST)、谷丙转氨酶(ALT)和尿素氮(BUN)水平升高,表明所有组别都存在肝肾功能障碍,产后组明显升高。所有患病组的血清磷、钙和镁水平都有所下降,而且主要是在妊娠后期和产后阶段。通过分子诊断,发现 114 头奶牛(65.51%)对环状丝虫呈阳性,41 头奶牛(22.9%)对东方丝虫呈阳性,19 头奶牛(10.9%)对环状丝虫和东方丝虫均呈阳性。系统发育分析表明,环状毛癣菌的登录号为 OQ230445,与 puri 分离物的相似度为 100%,与 Khorda 分离物的相似度为 98%;东方毛癣菌的登录号为 OQ 230446,与 Khorda 分离物的相似度为 85%。解剖发现,动物虚弱无力,肌肉萎缩。在一些病例中,肝脏肿大,明显充血,有些病例的肝脏表面和切口呈黄色,胆囊明显膨胀。腹腔溃疡明显,被认为是病理标志。在组织病理学检查中,肝脏显示肝细胞坏死,伴有窦状充血和单核细胞浸润。在淋巴结中,淋巴滤泡中的淋巴细胞减少,并伴有充血和出血。肺水肿在少数病例中也很明显。生化、分子、尸体解剖和组织病理学特征相结合的方法在诊断不同生产和繁殖阶段的牛细小病毒病方面取得了丰硕成果,并具有最佳特异性。
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引用次数: 0
Protective Effects of Teucrium polium Leaves Ethanolic Extract against Eimeria papillata-Induced Behavioral Changes in Mice 柚叶乙醇提取物对乳头状艾美耳病诱导的小鼠行为变化的保护作用
Pub Date : 2024-07-17 DOI: 10.18805/ijar.bf-1802
S.N. Maodaa, S. Al-quraishy, R. Abdel-Gaber, A. Alatawi, S.A. Alawwad, Dalal Alhomoud, Esam A Al-Shaebi
Background: Medicinal plants that are abundant in physiologically active phytochemicals have long been used in traditional medicine. Due to their anti-inflammatory and antioxidant qualities, several of these can lower the chance of developing certain illnesses. Coccidiosis is a disease that affects many animals and results in large financial losses. Eimeria spp. strains that are resistant to drugs have emerged as a result of drug addiction and overuse. Therefore, Teucrium polium leaves ethanolic extract (TPLE) was assessed on behavioral performance for the animals injected with Eimeria papillata. Methods: T. polium leaves ethanolic extract (TPLE) was prepared. Also, the behavior of mice infected with the E. papillata parasite and treated with the plant extract was evaluated. In addition, eosin and hematoxylin-stained tissue sections of mice brains were made. Result: There was an improvement in the number of vertical and horizontal movements in the plant-treated group. In addition, there was an improvement in learning and memory through increased total latency time the number of crossings during the shock. Also declined the number of inertial crossings and several reinforced crossings during the shock. There were no changes in oxidative stress or brain histopathology. Our results showed that TPLE has improved the behavioral performance of mice, which promotes the conduct of numerous researches on the compounds found in plants and their effect on animal behavior and also in investigating the behavior of animals in response to infection and treatment.
背景:长期以来,含有丰富生理活性植物化学物质的药用植物一直被用于传统医学。由于它们具有消炎和抗氧化的功效,其中一些可降低患某些疾病的几率。球虫病是一种影响许多动物并造成巨大经济损失的疾病。由于吸毒和过度使用药物,出现了具有抗药性的艾美耳菌株。因此,对注射了乳头状艾美耳病菌的动物的行为表现进行了评估。研究方法制备柚木叶乙醇提取物(TPLE)。此外,还评估了感染乳头蚴寄生虫并接受该植物提取物治疗的小鼠的行为。此外,还制作了经曙红和苏木精染色的小鼠大脑组织切片。结果植物治疗组的垂直和水平运动次数均有所改善。此外,小鼠的学习和记忆能力也有所提高,冲击过程中的总潜伏时间和穿越次数都有所增加。在冲击过程中,惯性穿越和几次强化穿越的次数也有所减少。氧化应激和脑组织病理学没有发生变化。我们的研究结果表明,TPLE 改善了小鼠的行为表现,这促进了对植物中发现的化合物及其对动物行为影响的大量研究,也促进了对动物对感染和治疗的反应行为的研究。
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引用次数: 0
Prevalence of Bacterial Diseases in Ornamental Fish Rearing Units of Kolathur, Tamil Nadu, India 印度泰米尔纳德邦科拉图尔观赏鱼饲养单位的细菌性疾病流行情况
Pub Date : 2024-07-17 DOI: 10.18805/ijar.b-5288
R. Srinath, A. Uma
Background: Ornamental fishkeeping is a widely embraced hobby globally. In India, Kolathur, Chennai Tamil Nadu is an important ornamental fish hub involved in trading of ornamental fishes. As a lucrative industry, the ornamental fish trade faces significant challenges due to diseases caused by various pathogens, impacting market value and causing economic losses. Methods: A surveillance study was conducted in Kolathur, Chennai, from December 2022 to August 2023. Ornamental fish samples exhibiting clinical signs of bacterial diseases were collected from the farms and retail outlets. Bacterial isolation and identification techniques, including conventional and PCR detection, were employed to isolate and identify bacterial strains from infected fish samples. Result: Out of 196 fish samples, 51 (29.4%) were found infected with bacterial pathogens. The prevalent bacterial pathogens included Aeromonas veronii (47%), A.caviae (17%), Pseudomonas aeruginosa (15%), Streptococcus sp. (11.3%), Mycobacterium fortuitum (5.6%) and Shewanella sp. (3.7%). Different fish families exhibited varying susceptibility to bacterial diseases, with cyprinids being the most affected (56.6%). The findings stress the importance of adhering to health regulations to prevent transboundary spread and suggest the development of targeted management strategies to sustain the health of ornamental fish populations.
背景:观赏鱼饲养是全球广泛接受的爱好。在印度,泰米尔纳德邦金奈的科拉图尔是一个重要的观赏鱼交易中心。作为一个利润丰厚的行业,观赏鱼贸易面临着巨大的挑战,因为各种病原体引起的疾病影响了市场价值,造成了经济损失。研究方法2022 年 12 月至 2023 年 8 月在钦奈的 Kolathur 开展了一项监测研究。从养殖场和零售店收集了表现出细菌性疾病临床症状的观赏鱼样本。采用细菌分离和鉴定技术(包括传统检测和 PCR 检测)从受感染的鱼类样本中分离和鉴定细菌菌株。结果:在 196 个鱼样本中,发现 51 个(29.4%)感染了细菌病原体。主要的细菌病原体包括维龙单胞菌(47%)、鱼腥单胞菌(17%)、铜绿假单胞菌(15%)、链球菌(11.3%)、福氏分枝杆菌(5.6%)和雪旺菌(3.7%)。不同鱼类对细菌性疾病的易感性各不相同,其中鲤科鱼类受影响最大(56.6%)。研究结果强调了遵守卫生法规以防止跨境传播的重要性,并建议制定有针对性的管理策略,以维持观赏鱼种群的健康。
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引用次数: 0
Toxicological Analysis of Nanoparticles and Microparticles Used as Oral Vaccine Delivery Systems using Vero Cell 使用 Vero 细胞对用作口服疫苗递送系统的纳米颗粒和微颗粒进行毒理学分析
Pub Date : 2024-07-16 DOI: 10.18805/ijar.b-5246
Dipankar Hazarika, Durlabh Prasad Borah, J. S. Boruah, Yasmin Begum, Anisha Sultana, S. Tamuly, Kamal Behari Devchoudhuri, Probodh Borah, Dhruba Jyoti Kalita
Background: The present study was carried out to evaluate in-vitro toxicity associated with chitosan nanoparticles, Gantrez® nanoparticles and poly-lactide co-glycolide (PLG) microparticle in Vero cell line. The cytotoxicity of all three micro/nano-particles was assessed using different concentration. Methods: For each concentration of these delivery systems, the confluent monolayer of Vero cells was treated for a period of 48 hours and studied for morphological alteration and cell survivability after the treatment. Results: It was observed that the different concentrations of chitosan nanoparticles and Gantrez® nanoparticles did not have significant effect on the cell viability as evident from the non-significant difference between the OD540 of formazan product formed from MTT in treated and untreated cells. The concentration of chitosan nanoparticles and Gantrez® nanoparticles up to 1000 µg/ml did not have any influence in cellular metabolic activities and viability. However, a slight reduction (statistically insignificant) in the cellular viability and metabolic activities were observed when PLG microparticles were used at 1000 µg/ml.
背景:本研究旨在评估壳聚糖纳米颗粒、Gantrez® 纳米颗粒和聚乳酸共聚乙二醇(PLG)微粒在 Vero 细胞系中的体外毒性。使用不同浓度评估了这三种微/纳米颗粒的细胞毒性。方法:对于每种浓度的给药系统,都对汇合的单层 Vero 细胞进行 48 小时的处理,并研究处理后细胞的形态变化和存活率。结果:观察发现,不同浓度的壳聚糖纳米颗粒和 Gantrez® 纳米颗粒对细胞存活率没有显著影响,这从处理过的细胞和未处理过的细胞中 MTT 形成的畸形氮产物的 OD540 无显著差异可以看出。壳聚糖纳米颗粒和 Gantrez® 纳米颗粒的浓度达到 1000 µg/ml 对细胞的代谢活动和活力没有任何影响。然而,当 PLG 微颗粒的浓度为 1000 µg/ml 时,细胞活力和代谢活性略有降低(在统计学上不显著)。
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引用次数: 0
期刊
Indian Journal of Animal Research
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