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Novel Work on Collection of Tracheo-bronchial Aspirates in Pneumonic Cattle 收集肺炎牛气管支气管吸出物的新工作
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-17 DOI: 10.18805/ijar.b-5142
Asmita Narang, Charanjit Singh, Ashwani Kumar, Dhiraj Kumar Gupta
Routine diagnosis of pulmonary disorders in bovines by physical examination, hematology and radiography is not sufficient to establish confirmatory diagnosis. Tracheo-bronchial aspirates (TBA) can be used as a reliable sample for the diagnosis of lower respiratory tract affections in cattle. Percutaneous tracheo-bronchial aspirate sampling was performed in 173 standing conscious cattle using two types of catheters. Fifty four cows were sampled with Large Animal transtracheal wash Kit (MILA International, Inc. USA) and 119 with infant feeding tube. Cytologic analysis of TBA smears was performed to assess the diagnostic utility of samples. Diagnostic samples were obtained in 87.8 per cent cows (152/173). Sampling using commercial catheter and infant feeding tube retrieved diagnostic samples in 90.7 per cent and 86.6 per cent of cows, whereas repeated infusions were required in 61.2 per cent and 78.7 per cent of cases, respectively. None of the cows exhibited complications post sampling. Infant feeding tube (7 Fr) with 10 G steel introduction catheter was effectively used in the collection of TBA and was comparable with commercial catheter. Present communication reports first systematic study on collection of TBA by percutaneous method in adult pneumonic cattle.
通过体格检查、血液学检查和放射学检查对牛的肺部疾病进行常规诊断不足以确诊。气管支气管抽吸物(TBA)可作为诊断牛下呼吸道疾病的可靠样本。我们使用两种导管对 173 头站立清醒的牛进行了经皮气管支气管抽吸取样。其中 54 头牛使用大型动物经气管冲洗套件(美国 MILA 国际公司)采样,119 头牛使用婴儿喂养管采样。对 TBA 涂片进行细胞学分析,以评估样本的诊断效用。87.8%的奶牛(152/173)获得了诊断样本。使用商业导管和婴儿输液管采样的奶牛分别有 90.7% 和 86.6% 获得了诊断样本,而需要重复输液的分别占 61.2% 和 78.7%。没有一头奶牛在采样后出现并发症。婴儿喂食管(7 Fr)与 10 G 钢导管可有效用于采集 TBA,其效果与商用导管相当。这篇通讯首次报道了在成年气牛中通过经皮方法收集 TBA 的系统研究。
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引用次数: 0
Investigation of Microbiological, Physiological and Histopathological Changes in Polymicrobial Infection in Old Rats 老龄大鼠多微生物感染的微生物学、生理学和组织病理学变化研究
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-17 DOI: 10.18805/ijar.bf-1676
U. Ülker, S. Kızıl, B. Bayraktar, M.E. Alçığır, O. Kul, H.Kaya, H.Ürüşan, Ş.aydemir, G.C. Kotan, A.U.Önel, E.M.Çeçen, G.Yaldız
Background: The aim of this study is to examine the microbiological, clinical, physiological and pathological findings of natural polymicrobial infection developing in a wistar rat colony under long-term observation. Methods: In this study, 70 male Wistar albino rats, 3 years old, raised by conventional methods and housed in a cage environment were used. Thirteen rats with clinical symptoms such as torticollis and rotation were sacrificed for microbiological and histopathological examination after 14 days. For microbiological examination, the rapid diagnostic kit BBL Crystal system was used to identify bacterial agents in tissue and stool samples, and the traditional culture method was used for isolation. Result: As a result of microbiological analysis, the rarely isolated Staphylococcus capitis (S. capitis) was isolated. Different Staphylococcus spp. It has been determined that the species can cause suppurative meningoencephalitis as well as septicemia in the brains of experimental animals., it is thought that polymicrobial infection will be useful for the identification of bacterial agents and infection prevention and treatment strategies.
研究背景本研究的目的是在长期观察的情况下,研究大鼠群中发生的自然多微生物感染的微生物学、临床、生理学和病理学结果。研究方法本研究使用了 70 只雄性 Wistar 白化大鼠,这些大鼠 3 岁大,采用传统方法饲养,在笼中饲养。14 天后,对 13 只出现临床症状(如扭转和旋转)的大鼠进行微生物学和组织病理学检查。在微生物检查中,使用快速诊断试剂盒 BBL Crystal 系统对组织和粪便样本中的细菌病原体进行鉴定,并使用传统培养方法进行分离。结果微生物学分析结果显示,分离出了极少分离的头状葡萄球菌(S. capitis)。已确定不同的葡萄球菌属可引起实验动物脑部化脓性脑膜脑炎和败血症,认为多微生物感染将有助于确定细菌病原体和感染预防及治疗策略。
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引用次数: 0
Genetic Analysis of Malkangiri Goats in its Native Tract 马尔康吉里山羊原产地的遗传分析
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-16 DOI: 10.18805/ijar.b-5210
Surita Majumder, Tanay Ghosh, Ajit Kumar, S.K. Dash, M. Senapati, L. Samal
Background: In the present study, genetic analysis of Malkangiri goat, a native goat population of southern Odisha is made. Methods: The present study area was under south eastern ghat agro climatic zones in Odisha. These goat type is raised under semi-intensive system of management with a flock size ranging from 5 to 35. The body weight and some biometric traits were recorded from birth to 12 months at an interval of 3 months. Estimation of heritability, genetic and phenotypic correlation also were reported in this research article. Result: Overall body weight of this goat type were found to be 16.31±0.17 kg with height of 57.44±0.50 cm at marketable weight of 12 months. The heritability estimate of body weight was recorded as 0.19±0.13 and 0.22±0.15, respectively at birth and 12 month of age. The heritability estimates of HW, BL, HG and PG at 12 month of age were 0.13, 0.32, 0.22, 0.13, respectively. The genetic correlation among the body weight and body measurement traits ranged from 0.21 to 0.91, whereas, the phenotypic correlation range from 0.18 to 0.52 at 12 month of age. This information on the genetic analysis may be helpful in developing further breed improvement strategies and conservation.
背景:本研究对奥迪沙南部的本土山羊种群马尔康吉里山羊进行了遗传分析。研究方法本研究区域位于奥迪沙邦东南部的加特农业气候区。这些山羊是在半集约化管理制度下饲养的,羊群规模从 5 只到 35 只不等。从出生到 12 个月,每隔 3 个月记录一次体重和一些生物特征。本研究报告还对遗传率、遗传和表型相关性进行了估算。研究结果该山羊类型的总体体重为(16.31±0.17)千克,12 个月大时的身高为(57.44±0.50)厘米。出生体重和 12 月龄体重的遗传力估计值分别为 0.19±0.13 和 0.22±0.15。12 月龄体重、BL、HG 和 PG 的遗传力估计值分别为 0.13、0.32、0.22 和 0.13。体重和体尺性状之间的遗传相关性介于 0.21 至 0.91 之间,而 12 月龄时的表型相关性介于 0.18 至 0.52 之间。这些遗传分析信息可能有助于制定进一步的品种改良策略和保护措施。
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引用次数: 0
The Assessment of the Anthelmintic Activity of Laurus nobilis Extract in Mice Naturally Infected with Aspiculuris tetraptera 评估金叶月桂提取物对自然感染四棘鲷的小鼠的驱虫活性
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-16 DOI: 10.18805/ijar.bf-1693
M. Mares, M. Murshed, Hossam M A Aljawdah, S. Al-Quraishy
Background: The safety of laboratory mice plays an important role in the success of laboratory experiments for correct and accurate results. Parasites are one of the most common diseases that affect most organisms. The worm Aspiculuris tetraptera is a common intestinal parasite of Mus musculus and rats, it is spread around the world. Aspiculuris tetraptera infection remains a problem for modern research groups; They should be excluded and monitored in rat populations due to their effects on animal health. Methods: The present study was conducted to assess the anthelmintic activity of Laurus nobilis extract in mice naturally infected with Aspiculuris tetraptera. Used was Thirty-six adult male and female (C57BL/6) mice, naturally infected with Aspiculuris tetraptera, were divided into six groups, each comprising six mice: Group 1, was the negative control (infected, untreated), and Groups 2, 3, 4, and 5 were treated with 50, 100, 200 and 400 ìg/ml of L. nobilis for 5 days respectively. Group 6 was treated with 10 mg/mL Albendazole for 3 days as a positive control. Different six treatments were used to test Aspiculuris tetraptera worms in vitro, Containing 4 concentrations (50, 100, 200 and 400 mg/ml) of L. nobilis extract. Ten actively moving adult worms were then placed in each petri dish at room temperature. A saline solution and 10 mg/ml of Albendazole were prepared and used as negative and positive controls. After treatment, observations were made by recording the death time for worms at 20, 40, 80, 120 and 180 minutes. Worms are considered dead if they do not move for 30 seconds after touching their body parts using a surgical needle and the petri dish is shaken. Result: The analysis of phytochemicals by FT-IR for alcoholic extracts of L. nobilis extracts revealed the presence of 15% effective chemical ingredients responsible for killing worms’ activity. In vitro, worms died in 20, 40, 80, 120 and 180 minutes. Attained 96% and 100% after 180 minutes at the highest concentrations (200 and 400 mg/ml). At the same time, the untreated group lasted for long hours. The effects of the plant extract (Laurus nobilis) on Aspiculuris tetraptera worms were studied in vivo at therapeutic doses of 50, 100, 200 and 400 mg/mL. and the concentration of 400 ml/kg showed the most lethal effects for worms, infected mice that did not receive drugs were compared with the highest concentration of the extract and the reference treatment. The attention showed significant differences P≤0.05. The results showed that the mortality rate of worms taken from the intestines of the treated mice that were slaughtered three and six sdays after giving the treatment reached 96% and 100% in the concentration of 400 ml/kg of the extract and 89% and 97%for the mice that treated in 10 ml/kg of met Albendazole respectively. This research showed that herbal remedies could lead to new parasitic disease drugs, and their derivatives can be used for medication production and bioactivity im
背景:实验室小鼠的安全对实验室实验能否取得正确、准确的结果起着重要作用。寄生虫是影响大多数生物的最常见疾病之一。寄生虫 Aspiculuris tetraptera 是麝香猫和大鼠常见的肠道寄生虫,它遍布世界各地。四带蛔虫感染仍是现代研究小组面临的一个问题;由于其对动物健康的影响,应在大鼠种群中排除并监测它们。研究方法本研究旨在评估月桂萃取物对自然感染四带喙扁虱的小鼠的驱虫活性。研究人员将36只自然感染了Aspiculuris tetraptera的成年雌雄(C57BL/6)小鼠分为6组,每组6只:第 1 组为阴性对照组(感染、未处理),第 2、3、4 和 5 组分别用 50、100、200 和 400 ìg/ml 的 L. nobilis 处理 5 天。第 6 组作为阳性对照,用 10 mg/mL 阿苯达唑处理 3 天。用不同的六种处理方法对四带喙蛔虫进行体外测试,其中包含四种浓度(50、100、200和400毫克/毫升)的鳙鱼提取物。室温下,在每个培养皿中放入 10 只活动的成虫。配制生理盐水和 10 毫克/毫升的阿苯达唑作为阴性和阳性对照。处理后,分别在 20、40、80、120 和 180 分钟记录蠕虫的死亡时间。用手术针接触蠕虫的身体部位并摇动培养皿后,如果蠕虫在 30 秒内不动,则认为蠕虫已经死亡。结果通过傅立叶变换红外光谱分析 L. nobilis 酒精萃取物的植物化学成分,发现其中含有 15%的有效化学成分,能有效杀死蠕虫。在体外,蠕虫分别在 20、40、80、120 和 180 分钟内死亡。在最高浓度(200 毫克/毫升和 400 毫克/毫升)下,180 分钟后的杀虫率分别达到 96% 和 100% 。与此同时,未处理组则持续了很长时间。在体内研究了植物提取物(月桂苷)对 Aspiculuris tetraptera 蠕虫的影响,治疗剂量为 50、100、200 和 400 毫克/毫升,其中 400 毫升/千克的浓度对蠕虫的致死率最高。结果表明,两者之间存在明显差异(P≤0.05)。结果表明,在给予治疗 3 天和 6 天后宰杀的小鼠肠道中提取的虫子死亡率,在提取物浓度为 400 毫升/千克的情况下分别达到 96% 和 100%,在阿苯达唑浓度为 10 毫升/千克的情况下分别达到 89% 和 97%。这项研究表明,中草药可以开发出新的寄生虫病药物,其衍生物可用于药物生产和生物活性改良。
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引用次数: 0
Control of Musca domestica (House Fly) in Poultry Units using Delta Traps 使用三角洲诱捕器控制家禽饲养单位中的家蝇
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-16 DOI: 10.18805/ijar.b-5199
S. Sundar, T.J. Harikrishnan, B. R. Latha, T.M.A. Senthil Kumar, G. S. Chandra, A. Pandian, C. Pandian
Background: House fly menace is a major problem in poultry farms and nearby households. Though application of insecticides is one of the major approaches in house fly control, development of insecticide resistance is widely prevalent. Use of house fly traps is an ecofriendly alternate strategy in control of house flies. In the present study, delta traps were used to control house flies in poultry units. Methods: Red acrylic delta traps with two different pellet baits (FMP and FMPB) were placed at ground level in poultry units housing caged layer chicken with a distance of 90 cm between two traps for seven days continuously and trial was replicated six times. Trapped flies were counted, sexed and species identified. Spot cards were used to determine house fly density pre-and post-trapping. Correlation of house fly population with meteorological parameters was assessed. Result: Out of the 80410 flies trapped, 52.74 per cent (42415 flies) and 47.25 per cent (37994 flies) were trapped in FMPB and FMP pellet baited traps, respectively. Daily fly trapping pattern showed variations. Overall trap catches were dominated by female flies. Reduction in spot card count was 36.34 per cent after deployment of traps. Trap catches correlated positively with temperature, relative humidity and wind velocity. Two species Musca domestica domestica and Musca domestica vicina were identified.
背景:家蝇威胁是家禽养殖场和附近住户的一个主要问题。虽然施用杀虫剂是控制家蝇的主要方法之一,但杀虫剂抗药性的产生非常普遍。使用家蝇诱捕器是控制家蝇的一种生态友好型替代策略。本研究使用三角诱捕器控制家禽饲养单位中的家蝇。方法将红色丙烯酸三角诱捕器与两种不同的颗粒诱饵(FMP 和 FMPB)一起放置在饲养笼养蛋鸡的家禽单位的地面上,两个诱捕器之间的距离为 90 厘米,连续放置七天,试验重复六次。对诱捕到的苍蝇进行计数、性别和种类鉴定。使用点卡确定诱捕前后的家蝇密度。评估了家蝇数量与气象参数的相关性。结果在诱捕的 80410 只苍蝇中,分别有 52.74% (42415 只)和 47.25% (37994 只)是在 FMPB 和 FMP 粒子诱饵诱捕器中诱捕的。每天诱捕苍蝇的模式各不相同。总体诱捕量以雌蝇为主。使用诱捕器后,斑卡数减少了 36.34%。诱捕器捕获量与温度、相对湿度和风速呈正相关。确定了两个物种:家蝇(Musca domestica domestica)和沧蝇(Musca domestica vicina)。
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引用次数: 0
A Comparison in Terms of Prevalence, Morphological and Histopathological Changes between Eimeria spp. that Infect Local Rabbits (Oryctolagus cuniculus) in Some Regions of Saudi Arabia 沙特阿拉伯部分地区感染当地兔子(Oryctolagus cuniculus)的艾美拉菌属的流行率、形态和组织病理学变化比较
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-16 DOI: 10.18805/ijar.bf-1682
M. Murshed, M. Mares, Hossam M A Aljawdah, S. Al-Quraishy
Background: The epidemiology of parasitic infections is common in rabbit flocks and poses a significant threat to public health. And the most famous and influential of these causes are coccidia parasites, Coccidiosis in rabbits is an infection caused by intracellular protozoan parasites belonging to Eimeria, which is considered a major cause of significant morbidity and mortality. Methods: A total of 210 fresh feces samples of adult domestic rabbits (Oryctolagus cuniculus) were collected from Riyadh City, Al Kharj and ADilam in Saudi Arabia to examine the incidence of the Eimeria infection of microscopically. Feces concentrated by the floatation technique. After that, freshly collected non-sporulated oocysts were suspended in 2.5% (W/V) potassium dichromate, placed in Petri dishes in the air, and allowed to sporulate at room temperature (25±3oC). The morphometric and specific characteristics of sporulated oocysts were studied by an Olympus microscope (BX51ggTF, OLYMPUS, Tokyo, Japan) using the oil immersion lens. Specimens were taken from all parts intestine and liver, and the tissues were kept in 10% formalin immediately and make tissue sections and that to study the histopathological change under light microscopic. Result: An investigation was conducted in three cities in the Riyadh area (Riyadh, Al Kharj and Adilam) to determine the incidence of Eimeria species that parasitize local rabbits (Oryctolagus cuniculus). The overall frequency of these coccidial illnesses in rabbits in Riyadh City was 45.7%, in Adilam City it was 44.2% and in Al Kharj City it was 37.1%, respectively. There were five different species of Eimeria: E. magna, E. flavescens, E. exigua, E. striedae and E. coecicola, respectively. More than one species of Eimeria oocyst was obtained in the same examined sample. single-infection 13/90 (14.4%), dual-infection 39/90 (43.3%) and triple-infection 38/90 (42.2%). E. magna; E. flavescens; E. exigua; E. stiedae and E. coecicola, respectively. Significant differences (p less than 0.05) in prevalence were observed between the rabbits. Eimeria infection that affects the liver was confirmed by histopathological changes that were noted through the development of parasitic stages in the jejunum, ileum, cecum, end cecum and liver. It is possible to conclude that the current research offers pertinent information that aids in determining potential infection and future preventative measures against rabbit coccidiosis to lessen financial losses in the rabbit industry.
背景:寄生虫感染是兔群中常见的流行病,对公共卫生构成重大威胁。兔球虫病是由细胞内原生动物寄生虫引起的感染,属于Eimeria属,被认为是导致重大发病和死亡的主要原因。研究方法从沙特阿拉伯利雅得市、Al Kharj 和 ADilam 共收集了 210 份成年家兔(Oryctolagus cuniculus)的新鲜粪便样本,通过显微镜检查艾美耳病的感染率。粪便通过漂浮技术浓缩。然后,将新鲜收集的无孢子卵囊悬浮在 2.5%(W/V)重铬酸钾中,置于培养皿中,在室温(25±3oC)下进行孢子培养。使用奥林巴斯显微镜(BX51ggTF,OLYMPUS,日本东京),使用油浸镜头研究孢子化卵囊的形态和特异性。标本取自肠道和肝脏的所有部位,将组织立即置于 10%福尔马林中保存,并制作组织切片,在光学显微镜下研究组织病理学变化。结果:在利雅得地区的三个城市(利雅得、哈吉和阿迪拉姆)进行了一项调查,以确定寄生于当地兔子(Oryctolagus cuniculus)体内的艾美拉菌的发病率。利雅得市兔子的球虫病总发病率为 45.7%,阿迪拉姆市为 44.2%,哈尔季市为 37.1%。Eimeria有五种不同的种类:E. magna、E. flavescens、E. exigua、E. striedae 和 E. coecicola。单一感染 13/90 (14.4%),双重感染 39/90 (43.3%),三重感染 38/90 (42.2%)。分别为 E. magna、E. flavescens、E. exigua、E. stiedae 和 E. coecicola。兔子之间的感染率存在显著差异(P 小于 0.05)。空肠、回肠、盲肠、盲肠末端和肝脏中寄生阶段的发展所引起的组织病理学变化证实了影响肝脏的艾美拉虫感染。可以得出的结论是,目前的研究提供了相关信息,有助于确定潜在的感染情况和未来的兔球虫病预防措施,以减少养兔业的经济损失。
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引用次数: 0
Ultrastructural Architecture Studies of Pancreas in Guinea pig 豚鼠胰腺超微结构研究
IF 0.5 4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-16 DOI: 10.18805/ijar.b-5157
S. Rajathi, K. Raja, V. Ramakrishnan, R. Gnanadevi, P. Dharani, T. Kannan, G. Ramesh
Background: The pancreas is an accessory organ of the digestive system and also an important endocrine organ of vertebrates that produce and release substances in the body. The pancreas has both endocrine and exocrine function. Its endocrine function is to regulate blood sugar levels by secretion of hormones like insulin, glucagon, stomatostatin and pancreatic polypeptide and an exocrine function that helps in digestion. The study was performed to document the ultrastructural details of pancreas of guinea pigs by scanning and transmission electron microscopy. Methods: Six adult healthy guinea pigs of 16-32 weeks of age (Irrespective of sex) were procured from the Department of Laboratory Animal Medicine, TANUVAS as per ethical committee approval. Animals were dissected according to standard operating procedure by using the Carbon dioxide asphyxiations as per CPCSEA norms and pancreatic pieces were utilised for SEM and TEM study. Result: Pancreas was irregular in shaped and showed splenic, ventricular and intestinal lobes. In SEM, the parenchyma was covered by the dense irregular capsule. Each lobule contained many acini which were connected by a thin, long duct with branched pattern arrangement with increasing wall thickness and diameter. In TEM, the pancreatic tissue consisted of glandular lobules comprised of acini, islets of Langerhans and connective tissue between the lobules. Numerous mitochondria and golgi complexes were also present in the acinar cell cytoplasm along with zymogen granules and rough endoplasmic reticulum. The centroacinar cells were also found. A special type of interstitial cell named telocytes and each was found with many telopodes in the exocrine part of pancreatic parenchyma. Among the four islet cell types, alpha and beta cells could be identified.
背景:胰腺是消化系统的附属器官,也是脊椎动物重要的内分泌器官,能产生和释放体内物质。胰腺具有内分泌和外分泌两种功能。它的内分泌功能是通过分泌胰岛素、胰高血糖素、胃泌素和胰多肽等激素来调节血糖水平,而外分泌功能则是帮助消化。本研究通过扫描和透射电子显微镜记录了豚鼠胰腺的超微结构细节。研究方法经伦理委员会批准,从塔努瓦斯大学实验动物医学系购买了 6 只 16-32 周大的成年健康豚鼠(不分男女)。按照 CPCSEA 规范使用二氧化碳窒息法,按照标准操作程序解剖动物,并利用胰腺碎片进行 SEM 和 TEM 研究。结果:胰腺形状不规则,显示出脾叶、室叶和肠叶。在扫描电子显微镜下,实质被致密的不规则包囊覆盖。每个小叶都包含许多渐缩管,这些渐缩管由细长的导管连接,导管呈分枝状排列,管壁厚度和直径不断增加。在 TEM 中,胰腺组织由腺小叶、朗格汉斯小体和小叶之间的结缔组织组成。许多线粒体和高尔基复合体以及酵母颗粒和粗面内质网也存在于尖细胞胞质中。此外,还发现了中心针叶细胞。在胰腺实质的外分泌部分发现了一种特殊的间质细胞,名为端粒细胞,每种细胞都有许多端粒。在四种胰岛细胞类型中,可以发现α细胞和β细胞。
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引用次数: 0
Teat Health and Mastitis in Buffalo 布法罗的乳头健康和乳腺炎
4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-08 DOI: 10.18805/ijar.b-5186
SV Singh, JP Singh, DP Srivastava, Vibha Yadav, D Niyogi, RK Joshi, Dinesh Yadav, Rakesh Kumar Gupta
Background: With a focus on the teat end microbiota and their molecular characterisation, the goal of the current study is to determine how teat health characteristics affect the development of this condition. Methods: Total 100 lactating dairy buffaloes of different parity were screened for mastitis. A battery of tests, including the California mastitis test (CMT), white side teat (WST), pH and somatic cell count (SCC), were used to screen buffaloes for mastitis. Samples that showed a strong positive reaction were chosen. Teat-end swabs collected for bacterial examination and analyse for molecular characterization and phylogenetic analysis. Result: Significant correlation (P less than 0.01) was established between teat end score and all other teat parameters namely teat skin color score, teat roughness, teat chapping and teat condition score. The amplification of 16S r DNA by PCR with universal primer 27F-1492R which span nearly full length of 16 SrRNA gene with expected amplicon of 144-1500bp. If farmers are to be properly prevented, awareness among them must be raised. It was anticipated that if the microbial load were to decrease, so would the likelihood of contracting an infection. The udder health kit, which was made with locally created pre- and post-milking dips and cleaning chemicals, decreased the bacterial load, enhanced the teat health score and improved the milk profile and could thus be replicated for use in the field.
背景:当前研究的重点是乳头末端微生物群及其分子特征,目的是确定乳头健康特征如何影响这种疾病的发展。方法:对100头不同胎次的泌乳水牛进行乳腺炎筛查。一系列测试,包括加州乳腺炎试验(CMT),白侧乳头(WST), pH值和体细胞计数(SCC),用于筛选水牛乳腺炎。选择表现出强烈阳性反应的样品。收集末端拭子进行细菌检查,并分析分子特征和系统发育分析。结果:乳末评分与乳皮肤颜色评分、乳粗糙度评分、乳皲裂评分、乳状态评分均有显著相关(P < 0.01)。用通用引物27F-1492R扩增16S r DNA,该引物几乎覆盖了16srrna基因的全部长度,预期扩增子为144-1500bp。如果要适当地预防农民,就必须提高他们的意识。预计如果微生物负荷减少,那么感染的可能性也会减少。乳房保健包是用当地制造的挤奶前和挤奶后的蘸料和清洁化学品制成的,减少了细菌负荷,提高了乳房健康评分,改善了牛奶的质量,因此可以在现场复制使用。
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引用次数: 0
Detection of Virulence Genes, Antimicrobial Susceptibility and Pathogenicity of Aeromonas veronii Isolates from Labeo rohita and Catla catla 华氏气单胞菌毒力基因、药敏及致病性的检测
4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-08 DOI: 10.18805/ijar.b-5180
Chethurajupalli Lavanya, Tambireddy Neeraja, T.V. Ramana, Mamatha Dasari, Satyanarayan Boda, Mohana Swapna Narra, Ramadasu Srinivasulu Sravani, K. Bheemeswararao
Background: Aeromonas veronii is the most common bacterium responsible for diseases in freshwater fish rearing systems. Multiple factors can be involved in the virulence processes of Aeromonas bacteria. Hence, the purpose of the present investigation was to evaluate the virulence genes, antimicrobial susceptibility and pathogenicity of A. veronii isolated from freshwater fishes. Methods: In this investigation, we isolated A. veronii from cultured freshwater fishes, Labeo rohita and Catla catla. A. veronii was identified by bacterial staining and culture characteristics. In addition, Polymerase chain reaction (PCR) was used to evaluate the distribution of nine virulence genes including aerolysin, cytotonic enterotoxin (442, 272 bp), elastase, enolase, flagellin, lipase, serine protease and DNase. Result: A total of 88 A. veronii strains were isolated, which includes 56 strains from rohu and 33 strains from catla. The strains were Gram-negative, rod-shaped, motile bacteria and the colonies are yellow on blood agar. All the A. veronii strains were positive for at least one or more virulence genes tested. The isolates carried more virulence genes, especially in the combination of aer,alt, ela, lip, AhyB genes were found to be more virulent. Antimicrobial susceptibility to 17 antibiotics was determined and the strains of A. veronii showed 100% resistance to tetracycline, pencillin and â-lactum group of antibiotics. In addition, multiple antibiotic resistance (MAR) indexes ranged from 0.24 to 0.76, suggesting that they originated from high risk contaminated zones were (W. Godavari and Nellore districts) antimicrobials are often used.
背景:维氏气单胞菌是淡水鱼养殖系统中最常见的致病细菌。气单胞菌的毒力过程可能涉及多种因素。因此,本研究的目的是对淡水鱼类韦氏单胞菌的毒力基因、药敏性和致病性进行研究。方法从养殖淡水鱼、拉贝鱼和卡特拉鱼中分离出维罗氏弧菌。通过细菌染色和培养特性鉴定了维罗氏单胞菌。此外,采用聚合酶链反应(PCR)技术对9个毒力基因的分布进行了评价,包括气溶素、细胞性肠毒素(442、272 bp)、弹性酶、烯醇化酶、鞭毛蛋白、脂肪酶、丝氨酸蛋白酶和dna酶。结果:共分离到维氏单胞杆菌88株,其中罗虎56株,卡特拉33株。菌株为革兰氏阴性,棒状,活动菌,菌落在血琼脂上呈黄色。所有维罗氏单胞杆菌菌株至少有一个或多个毒力基因检测呈阳性。菌株携带的毒力基因较多,特别是aer、alt、ela、lip、AhyB基因的组合毒力更强。对17种抗生素的药敏结果显示,韦氏单胞杆菌对四环素、青霉素和乳杆菌群均100%耐药。此外,多重抗生素耐药指数(MAR)范围为0.24 ~ 0.76,表明它们起源于高风险污染区(W. Godavari和Nellore区),经常使用抗菌药物。
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引用次数: 0
Application of Artificial Intelligence in Monitoring of Animal Health and Welfare 人工智能在动物健康福利监测中的应用
4区 农林科学 Q4 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2023-11-07 DOI: 10.18805/ijar.bf-1698
Ahmad Ali AlZubi, Maha Al-Zu'bi
Blackground: With the advent of AI technology, great strides have been made in the realm of animal healthcare. This article delves into the numerous uses of AI in veterinary medicine and demonstrates its revolutionary potential in the field. Artificial intelligence (AI) algorithms have shown impressive skills in illness detection, using medical imaging analysis to help veterinarians discover and categorise diseases with greater accuracy and efficiency. Furthermore, predictive analytics algorithms use various data sources, such as electronic health records and genetic profiles, to recognise trends and forecast illness outbreaks, allowing veterinarians to remotely monitor vital signs and act swiftly paving the way for preventative measures and individualised treatment. Methods: The purpose of this article is to offer a synopsis of the many ways in which artificial intelligence (AI) is being used to improve the health and well-being of animals. Understanding the effects of AI in animal healthcare and setting the stage for its further development will be accomplished via an examination of the present state of the subject. Results: It is evident that through mountains of data from studies and clinical trials, AI is helping to speed up the discovery of novel treatments and improve the understanding of animal health. A responsible and useful application of AI in animal healthcare requires the establishment of ethical concerns, data protection, and regulatory frameworks. Method: This document provides a synopsis of the many ways in which artificial intelligence (AI) is being used to improve the health and well-being of animals.
Blackground:随着人工智能技术的出现,动物保健领域取得了巨大的进步。本文深入探讨了人工智能在兽医领域的众多应用,并展示了其在该领域的革命性潜力。人工智能(AI)算法在疾病检测方面显示出令人印象深刻的技能,利用医学成像分析帮助兽医更准确、更高效地发现和分类疾病。此外,预测分析算法使用各种数据源,如电子健康记录和基因档案,来识别趋势和预测疾病爆发,使兽医能够远程监测生命体征并迅速采取行动,为预防措施和个性化治疗铺平道路。方法:本文的目的是提供人工智能(AI)用于改善动物健康和福祉的许多方法的概要。了解人工智能对动物保健的影响,并为其进一步发展奠定基础,将通过对该学科现状的研究来完成。结果:很明显,通过来自研究和临床试验的大量数据,人工智能正在帮助加快新疗法的发现,并提高对动物健康的理解。人工智能在动物保健领域的负责任和有用的应用需要建立伦理问题、数据保护和监管框架。方法:本文件概述了人工智能(AI)用于改善动物健康和福祉的多种方法。
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引用次数: 0
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Indian Journal of Animal Research
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