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Prevalance: Bovine mastitis and its predisposing factors in and around Holeta Town, Oromia, Ethiopia 流行:牛乳腺炎及其易感因素在和周围Holeta镇,奥罗米亚,埃塞俄比亚
Pub Date : 2022-12-21 DOI: 10.17352/ijvsr.000128
Abebe Bikila, Bakala Soressa
The dairy sector is threatened by mastitis, the most prominent and complicated infectious illness in the world for dairy cows. The aim of this study was to determine the prevalence of mastitis and potential predisposing factors. A cross-sectional study was carried out from November 2016 to April 2017 in and around Holeta town. A total of 316 lactating cows were purposefully selected and diagnosed for mastitis by physical examination and using the California mastitis test. The total prevalence of mastitis at the cow level was 74.05% (95% CI = 0.69-0.79). At the cow level, the prevalence of clinical and subclinical mastitis was 18.35% and 55.7%, respectively, whilst at the quarter level, it was 9.26% and 35%. Of the 1264 quarters inspected, 47 (3.72%), which correspond to 39 (12.34%), were discovered to be blind teats, while the other 1217 (96.28%) were found to be in use. The intrinsic factors significantly related (p 0.05) with the presence of mastitis in the multivariable logistic regression model were breed (AOR = 0.003, CI = 0.0003-0.335, in local cows (AOR = 0.003, CI = 0.0003-0.335, p = 0.000), age, in adult cows (AOR = 16, CI = 3.072-83.293, p = 0.001) and in old cows (AOR = 20, CI = 1.031-388.39, p = 0.048) and stage of lactation, in mid-lactation stage (AOR = 0.08, CI = 0.028-0.211, p = 0.000) and in late lactation (AOR = 0.1, CI = 0.033-0.288, p = 0.000). Semintensive management system (AOR = 16.85, CI = 5.484-51.824, p = 0.000) and extensive management system (AOR = 0.14, CI = 0.059-0.320, p = 0.000), milking hygiene (AOR = 9.43, CI = 3.443-25.805, p = 0.000), and previous mastitis exposure (AOR = 2.7, CI = 1.036-7.022, p = 0.042). This study revealed that subclinical mastitis had a high prevalence rate relative to clinical mastitis. This reveals that the disease lacks strategic preventative and control measures and that mastitis is economically significant in the studied area. According to this study, in order to reduce the economic loss of dairy farms, there should be stringent hygienic milking practices and a consistently sanitary conditions of the farms. Additionally, it would be helpful to promote awareness about routinely checking for subclinical mastitis and culling old and very often infected cows.
乳业受到乳腺炎的威胁,乳腺炎是世界上奶牛最突出和最复杂的传染病。本研究的目的是确定乳腺炎的患病率和潜在的诱发因素。2016年11月至2017年4月在Holeta镇及其周边地区进行了一项横断面研究。目的选择316头泌乳奶牛,通过体格检查和加州乳腺炎试验诊断乳腺炎。奶牛乳腺炎的总患病率为74.05% (95% CI = 0.69-0.79)。在奶牛水平,临床和亚临床乳腺炎的患病率分别为18.35%和55.7%,而在季度水平,临床和亚临床乳腺炎的患病率分别为9.26%和35%。在被检查的1264个季度中,有47个(3.72%),对应39个(12.34%),被发现为盲口,其余1217个(96.28%)被发现在使用。内在因素显著相关(p 0.05)乳腺炎的存在多变量逻辑回归模型中的品种(优势比= 0.003,CI = 0.0003 - -0.335,在当地奶牛(优势比= 0.003,CI = 0.0003 - -0.335, p = 0.000),年龄,在成年牛(AOR = 16, CI = 3.072 - -83.293, p = 0.001)和旧牛(AOR = 20, CI = 1.031 - -388.39, p = 0.048)和泌乳阶段,mid-lactation阶段(优势比= 0.08,CI = 0.028 - -0.211, p = 0.000)和泌乳后期(优势比= 0.1,CI = 0.033 - -0.288,P = 0.000)。半集约化管理体系(AOR = 16.85, CI = 5.484 ~ 51.824, p = 0.000)、粗放式管理体系(AOR = 0.14, CI = 0.059 ~ 0.320, p = 0.000)、挤奶卫生(AOR = 9.43, CI = 3.443 ~ 25.805, p = 0.000)、乳腺炎暴露史(AOR = 2.7, CI = 1.036 ~ 7.022, p = 0.042)。本研究显示,亚临床乳腺炎的患病率高于临床乳腺炎。这表明该疾病缺乏战略性的预防和控制措施,乳腺炎在研究地区具有重要的经济意义。根据这项研究,为了减少奶牛场的经济损失,应该有严格的卫生挤奶规范和持续的农场卫生条件。此外,提高人们对亚临床乳腺炎的常规检查和淘汰老奶牛和经常感染的奶牛的认识也会有所帮助。
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引用次数: 0
Aspergillosis in peacocks – Case Report 孔雀的曲霉病-个案报告
Pub Date : 2022-11-15 DOI: 10.17352/ijvsr.000127
Sesztáková Edina, Vrabec Vladimír, Kuzyšinová Katarína, Molnár Ladislav, Ševčíková Zuzana, Čonková Eva
The work describes two cases of Indian peacocks (Pavo cristatus) originating from extensive breeding, in which pulmonary aspergillosis and aerosacculitis were diagnosed. A clinical examination revealed difficult breathing with an open beak, gradual apathy, decreased appetite, and weight loss in both affected individuals. During the endoscopic examination, a yellow, caseous mass was diagnosed in the area of ​​the margo caudalis of the lung. Pathological autopsy in both cases revealed a granuloma in the area of ​​the left lung parenchyma and aerosacculitis. Fungal hyphae were detected in the granulomas by pathological-histological examination, and Aspergillus fumigatus and Aspergillus parasiticus were diagnosed by mycological culture.
该工作描述了两例印度孔雀(Pavo cristatus)起源于广泛的繁殖,其中肺曲霉菌病和气肿炎被诊断出来。临床检查显示呼吸困难,嘴张,逐渐冷漠,食欲下降,体重减轻。在内窥镜检查中,在肺尾侧margo区域诊断出黄色干酪样肿块。病理解剖均发现左肺实质肉芽肿及肺小囊炎。病理组织学检查发现肉芽肿中有真菌菌丝,菌丝培养诊断为烟曲霉和寄生曲霉。
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引用次数: 0
Review of bacteriophage and its applications 噬菌体及其应用综述
Pub Date : 2022-09-27 DOI: 10.17352/ijvsr.000126
Gamachu Soressa Bakala, Debalo Motuma
The most prevalent and ubiquitous organisms in the world are bacteria-killing viruses called bacteriophages. The aim of this paper is to highlight some application areas of bacteriophages. There are both virulent and temperate bacteriophages in the environment, but only virulent bacteriophages are used for treatment, known as phage therapy. Since their discovery, bacteriophages have been considered a vital weapon to fight human and animal illnesses of bacterial origin. Currently, the emergence of growing microbial resistance to antibiotics and attention to bacteriophage use in treatment has all but grown up again. Correspondingly, the applications of bacteriophages for biocontrol purposes have become a remarkable opportunity in a number of fields, including farms and food production. Despite their treatment effects, bacteriophages also maintain a vital relationship with their hosts through moderating microbial populations and promoting their evolution by horizontal gene transfer. Additionally, they serve as vehicles for the transfer of vaccinations, the detection of dangerous microorganisms and systems for displaying proteins and antibodies. Bacteriophages are a varied collection of viruses that are simple to handle, making them suitable for use in treatments and biotechnology research. Hence, the expansion of various phage companies for phage production and the use of phage cocktails for the treatment of various bacterial diseases at different stages is recommended.
世界上最普遍、最普遍的生物是被称为噬菌体的杀菌病毒。本文的目的是强调噬菌体的一些应用领域。环境中既有强毒噬菌体,也有温带噬菌体,但只有强毒噬菌体用于治疗,称为噬菌体治疗。自从它们被发现以来,噬菌体一直被认为是对抗人类和动物细菌疾病的重要武器。目前,越来越多的微生物对抗生素的耐药性的出现和对噬菌体在治疗中的应用的关注几乎再次增长。相应地,噬菌体在生物防治方面的应用在包括农场和食品生产在内的许多领域已经成为一个非凡的机会。尽管它们具有治疗作用,噬菌体也通过调节微生物种群并通过水平基因转移促进其进化而与宿主保持重要关系。此外,它们还可以作为转移疫苗、检测危险微生物和显示蛋白质和抗体的系统的载体。噬菌体是一种多种多样的病毒集合,易于处理,因此适合用于治疗和生物技术研究。因此,建议扩大各种噬菌体公司生产噬菌体,并使用噬菌体鸡尾酒治疗不同阶段的各种细菌性疾病。
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引用次数: 2
Seroprevalence and its associated risk factors of Bovine Neosporosis and Bovine Viral Diarrhea in cattle of Tilottama municipality, Rupandehi, Nepal 尼泊尔鲁潘德希蒂洛塔马市牛新孢子病和牛病毒性腹泻的血清流行率及其相关危险因素
Pub Date : 2022-09-14 DOI: 10.17352/ijvsr.000125
Gautam Aasish, Dhakal Sulav, Sharma Umesh, Khanal Dojraj, K. Krishna
Background: Bovine Neosporosis (BN) and Bovine Viral Diarrhea (BVD) are economically significant livestock disease that causes reproductive and respiratory problems in cattle and buffalo caused by protozoan parasite Neospora caninum and Bovine Viral Diarrhea Virus (BVDV) respectively. The burden of production and economic loss due to infectious reproductive diseases are still unknown in the various location of Nepal. Objectives: To overview the prevalence of bovine neosporosis and bovine viral diarrhea infection in a commercially important livestock herd from Tilottama Municipality, Rupandehi, Nepal. Methods: A cross-sectional purposive study was conducted through a questionnaire survey to collect demographic and farm characteristics information. In total 92 serum samples from jugular veins were collected from a different herd of Tilottama Municipality of Rupandehi, Nepal. The antibody against BVDV was tested using the competitive Enzyme-Linked Immunosorbent Assay (c-ELISA). Results: The individual animal-wise apparent prevalence was 9.78% with a true prevalence of 9.70% (5.09 - 17.57) and 3.26% with a true prevalence of 3.10%; CI (0.93 - 9.06) for BN and BVD respectively. The risk factor history of abortion was associated significantly with BN and BVD seropositivity (p < 0.05). Animals in the mixed farming system and contact with dogs were associated significantly with the occurrence of bovine viral diarrhea and bovine neosporosis respectively at (p < 0.05). Conclusion and recommendation: The stuy indicated the circulation of Neospora caninum and bovine viral diarrhea in dairy herds of the study area. It is suggested that the stakeholders in the study area should be sensitized to the impact of Neospora caninum and bovine viral diarrhea virus infection in dairy herds and include both diseases in the regional and national surveillance system.
背景:牛新孢子虫病(BN)和牛病毒性腹泻(BVD)是由原生动物寄生虫犬新孢子虫和牛病毒性腹泻病毒(BVDV)分别引起的牛和水牛生殖和呼吸问题,在经济上具有重要意义。在尼泊尔各地,由于传染性生殖疾病造成的生产负担和经济损失仍不得而知。目的:概述牛新孢子病和牛病毒性腹泻感染在尼泊尔鲁潘德希蒂洛塔马市一个重要商业牲畜群中的流行情况。方法:采用横断面目的研究,通过问卷调查收集人口统计和农场特征信息。从尼泊尔鲁潘德希蒂洛塔马市的不同牧群中收集了总共92份颈静脉血清样本。采用竞争性酶联免疫吸附试验(c-ELISA)检测BVDV抗体。结果:动物个体表观患病率为9.78%,真实患病率为9.70%(5.09 ~ 17.57),真实患病率为3.26%,3.10%;BN和BVD的CI分别为0.93 ~ 9.06。流产危险因素史与BN、BVD血清阳性有显著相关性(p < 0.05)。混合饲养和与狗接触与牛病毒性腹泻和牛新孢子病的发生有显著相关性(p < 0.05)。结论与建议:本研究提示研究区奶牛群中存在犬新孢子虫和牛病毒性腹泻的传播。建议研究区域的利益相关者应提高对奶牛群中犬新孢子虫和牛病毒性腹泻病毒感染的认识,并将这两种疾病纳入区域和国家监测系统。
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引用次数: 1
Potential for silvopastoral systems to control nematode burden in livestock farming in winter rainfall areas of South Australia, Australia 在澳大利亚南澳大利亚冬季降雨地区,森林放牧系统控制牲畜养殖中线虫负担的潜力
Pub Date : 2022-09-09 DOI: 10.17352/ijvsr.000124
Griffiths Hannah, N. C. Amanda (Mandi)
Gastrointestinal nematode infections cause significant production losses in ruminants. In southern Australia, the estimated annual cost of internal parasites in sheep, cattle and goats are $436million, $82m and $2.54m, respectively. An over-reliance on anthelmintic treatments has resulted in anthelmintic resistance becoming an increasing concern for producers. Reducing the need for chemical anthelmintics is desirable to lower producer costs and limit the development of anthelmintic resistance. Condensed tannins found in many trees and forages are a plant secondary compound receiving considerable interest as an alternative anthelmintic strategy. Direct anthelmintic effects from condensed tannins are associated with the binding of larval proteins; slowing egg hatching, larval development and exsheathment. Indirect effects are associated with improvements to protein metabolism and immune function within the animal. Several native Australian tree extracts have demonstrated anthelmintic properties, but further research is required to assess their suitability for silvopastoral systems in South Australia.
胃肠道线虫感染对反刍动物造成重大的产量损失。在澳大利亚南部,绵羊、牛和山羊体内寄生虫每年造成的损失估计分别为4.36亿美元、8200万美元和254万美元。对驱虫药的过度依赖导致对驱虫药的耐药性日益成为生产者关注的问题。减少对化学驱虫药的需求是降低生产者成本和限制驱虫药耐药性发展的可取之处。在许多树木和牧草中发现的浓缩单宁是一种植物次生化合物,作为一种替代的驱虫策略受到相当大的兴趣。缩合单宁的直接驱虫作用与幼虫蛋白的结合有关;减慢卵的孵化、幼虫的发育和蜕皮。间接影响与改善动物体内的蛋白质代谢和免疫功能有关。一些澳大利亚本土的树木提取物已经证明了驱虫特性,但需要进一步的研究来评估它们在南澳大利亚的银栖系统中的适用性。
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引用次数: 0
Seroprevalence of Brucella infection in sheep and goat in two Woreda, in Arsi Zone, Oromia, Ethiopia 埃塞俄比亚奥罗米亚Arsi地区两个wooreda绵羊和山羊布鲁氏菌感染的血清流行率
Pub Date : 2022-09-02 DOI: 10.17352/ijvsr.000123
Kadi Abdurazak
The cross-sectional research study was conducted from November 2015 up to April 2016 in order to assess the prevalence of Brucella infection in shoats in two woredas in the Arsi zone, Oromia region, Ethiopia. The study was conducted in six Peasant Associations (3 PAs from each district). A total of 397 sheep and goats were sampled to be studied. Rose Bengal Plate Test (RBPT) was used as a Screening test for Brucella agglutinins, while Complement Fixation Test (CFT) was used to confirm the reactors by Rose Bengal Plate Test. The statistical analysis of the data was run by Fisher’s exact test and the comparison of proportion was carried out too. Out of the 397 sera samples, 1.51% (n = 6) were seropositive for Brucella infection by RBPT; however, the CFT test indicated that only 0.5% (n = 2) sera were positive. Overall point estimation of 0.2% ovine and caprine Brucella infection was observed. High prevalence has been observed in aborted, parity one (1-5 kidding or lamping), female and in goats than non-aborted, parity two (> 6 lambing or kidding), male and sheep respectively. Especially high Seroprevalence in aborted goats indicates the presence of the illness in the two woredas’. The brucellosis presence in goats and sheep is significant as the infected animals can act as reservoirs of infection and may transmit the infection to human beings by several routes. So, Control measures should be designed and implemented by focusing on the prevention of further illness expansion in the study area by using an appropriate control practices approach.
该横断面研究于2015年11月至2016年4月进行,目的是评估埃塞俄比亚奥罗米亚地区阿尔西地区两个地区的猪群中布鲁氏菌感染的流行情况。这项研究是在6个农民协会(每个地区3个pa)进行的。共选取397只绵羊和山羊作为研究样本。采用玫瑰孟加拉平板试验(RBPT)筛选布鲁氏菌凝集素,补体固定试验(CFT)对反应釜进行玫瑰孟加拉平板试验确认。采用Fisher精确检验对数据进行统计分析,并进行了比例比较。在397份血清样本中,1.51% (n = 6)的RBPT布鲁氏菌感染血清阳性;然而,CFT试验显示只有0.5% (n = 2)的血清呈阳性。观察到0.2%的羊和山羊布鲁氏菌感染的总体点估计。在流产、胎次1(1-5胎)、母山羊和未流产、胎次2(> 6胎)、公羊和绵羊中分别观察到高患病率。流产山羊的血清阳性率特别高,表明这两种山羊都存在这种疾病。山羊和绵羊中存在布鲁氏菌病很重要,因为受感染的动物可作为感染宿主,并可通过几种途径将感染传播给人类。因此,控制措施的设计和实施应侧重于通过采用适当的控制实践方法来预防研究区域内疾病的进一步扩大。
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引用次数: 1
Surgical management of rectal prolapse in ostrich chicks (Struthio camelus) 鸵鸟雏鸟直肠脱垂的外科治疗
Pub Date : 2022-08-23 DOI: 10.17352/ijvsr.000122
Adhikari Bishnu Prasad, P. B, K. K
Out of 300 ostrich chicks imported from South Africa, five chicks of age two months faced rectal prolapse problems at once in the Ostrich Farm Private Limited Rupandehi, Nepal. The feather around the red protruded mass was removed and the protruded mass was cleaned with normal saline. The protruded mass was pushed with gentle pressure and corrected through surgical correction. A blood sample was taken for the analysis of the Hematological profile and the fecal sample was observed under the microscope through floatation and sedimentation techniques. On the fecal examination, no parasites were found. Feed management was done for the first day and Calcium with vitamins and other minerals was given. On the next day, two birds having small protruded masses were recovered. The protruded mass of the next three chicks was restored. Local anesthesia was given with 2ml 2%xylocaine solution around the vent region. Purse string suture is done with silk thread around the anal orifice. Blood serum examination reveals that severe low level of calcium i.e. 6.7,7.1,6.5,6.8,6.9 respectively in all 5 ostrich chicks which should be in the normal range of 9-24. As per my case study, the main cause of this prolapse is the low calcium level, the low fiber in the diet and cold stress due to the winter season.
在尼泊尔Rupandehi鸵鸟农场私人有限公司,从南非进口的300只鸵鸟雏鸟中,有5只两个月大的雏鸟同时面临直肠脱垂问题。取下红色突起肿块周围的羽毛,并用生理盐水清洗突起肿块。用轻柔的压力推动突出的肿块,并通过手术矫正矫正。取血样分析血液学特征,并在显微镜下通过浮沉技术观察粪便样本。粪便检查未发现寄生虫。第1天进行饲料管理,饲喂钙、维生素和其他矿物质。第二天,两只有小肿块的鸟被发现。接下来的三只雏鸟的突出肿块被恢复了。在通气区周围给予2%木卡因溶液2ml局部麻醉。荷包缝合是在肛门口周围用丝线缝合。5只鸵鸟雏鸡血清钙含量分别为6.7、7.1、6.5、6.8、6.9,严重偏低,正常范围为9 ~ 24。根据我的案例研究,这种脱垂的主要原因是低钙水平,饮食中的低纤维和冬季造成的冷应激。
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引用次数: 0
Nutritional Intervention with Bacillus subtilis strain PB6 in Early Days, enhances Performance without affecting Carcass Characteristics of Broiler Chickens
Pub Date : 2022-07-28 DOI: 10.17352/ijvsr.000121
Fathima Nabila, Rajendran Rajendra Moorthy, M. Ravichandran, Balaji Srinivasan, Vyas Santosh
The objective of the study was to evaluate the combinational effect of Bacillus subtilis strain PB6 along with vitamins (V), minerals (M), and amino acids (A) on performance, growth, and carcass characteristics of broiler chickens during the early days and compare with commercially available combinations of V+A, and M+A without probiotics. An in vivo trial was conducted for a period of 35 days with day 1 Cobb 430 broiler chicks, randomly allotted to one control and four treatment groups namely T1 (PB6+VMA-1 g/L), T2 (PB6+VMA-2 g/L), T3 (V+A-1 mL/L) and T4 (M+A-2 mL/L) using a completely randomized design. Each group had 7 replicates and 12 birds per replicate. The performance parameters such as body weight (BW), and feed conversion ratio (FCR) were monitored throughout the trial. At the end of 7 days, BW was significantly higher for T2 (174.71 g) in comparison with T1 (173.99 g), T3 (174.41 g), T4 (173.39 g), and control (173.35 g, p < 0.05). However, no difference in FCR was observed (p > 0.05). Similarly, at the end of 35 days, T2 (1842.15 g) showed the highest BW compared to control (1818.36 g), T1 (1839.39 g), T3 (1833.20 g), and T4 (1816.73 g) and significantly least FCR (1.53, p < 0.05) in comparison with control (1.55), T1 (1.54), T3 (1.57) and T4 (1.56). At the end of 35 days, carcass characteristics such as carcass, breast meat, and organ yield were evaluated and no significant difference between the groups was observed (p > 0.05). The gut health of the birds was assessed by evaluating the dysbacteriosis and total mean lesion score at the end of 35 days and a score of less than one was observed for all the groups. Furthermore, return on investment (ROI) was analyzed and T1 showed an ROI of 2.21:1, followed by T2 which showed an ROI of 1.72:1, and no ROI was seen for T3 and T4. The results from this study suggest that supplementation of PB6 along with essential nutrients has a positive impact on the performance of broiler chickens, without affecting gut health and helps poultry producers for profitable farming.
本研究旨在评价枯草芽孢杆菌菌株PB6与维生素(V)、矿物质(M)和氨基酸(A)组合对肉鸡早期生产性能、生长和胴体特性的影响,并与市售的V+A和M+A组合进行比较。采用完全随机设计,选取第1天的Cobb 430肉鸡进行35 d的体内试验,随机分为1个对照组和T1 (PB6+VMA-1 g/L)、T2 (PB6+VMA-2 g/L)、T3 (V+ a -1 mL/L)和T4 (M+ a -2 mL/L) 4个处理组。每组7个重复,每个重复12只鸡。在整个试验过程中,对试验仔猪的体重(BW)、饲料系数(FCR)等性能参数进行监测。7 d时,T2组体重(174.71 g)显著高于T1组(173.99 g)、T3组(174.41 g)、T4组(173.39 g)和对照组(173.35 g), p < 0.05。两组FCR差异无统计学意义(p > 0.05)。同样,35 d结束时,T2 (1842.15 g)的体重最高,高于对照组(1818.36 g)、T1 (1839.39 g)、T3 (1833.20 g)和T4 (1816.73 g), FCR (1.53, p < 0.05)显著低于对照组(1.55)、T1(1.54)、T3(1.57)和T4(1.56)。试验35 d时,对胴体、胸肉、脏器产量等胴体性状进行评价,各组间无显著差异(p > 0.05)。35 d结束时,通过评估菌群失调和总平均病变评分来评估鸟类的肠道健康状况,所有组的评分都小于1。进一步分析投资回报率(ROI), T1的ROI为2.21:1,其次是T2的ROI为1.72:1,T3和T4没有ROI。本研究结果表明,在不影响肠道健康的情况下,添加PB6和必需营养素对肉鸡生产性能有积极影响,并有助于家禽生产者实现盈利养殖。
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引用次数: 0
Characterization and grading of Black Bengal goat skin based on coat color 基于被毛颜色的黑孟加拉山羊皮的特征和分级
Pub Date : 2022-07-19 DOI: 10.17352/ijvsr.000120
Islam Talukder AKM Baharul, Akhter Fouzia, Barman Sanjit Chandra
The research was conducted to study physical parameters and histological structural patterns based on the coat color of Black Bengal goat skins. Five hundred skins were randomly selected, and measured using scientific instruments and the Haematoxylin-Eosin staining method was used for histological study. Black coat color skin was found the highest (58%), the mean weight, length, and width of Black Bengal goat skin was 998.80 gm, 29.24, and 20.91 cm, respectively but there were no significant differences among the groups. The mean thickness of the skin was 1.97, 1.43, and 1.96 mm in the butt, bell, and shoulder regions, respectively, and significantly different between the groups in all categories. All slaughtered goats were flayed using the “Muchki” (Hoisting and fisting) method. The average flay cut length, depth, and mechanical and parasitic damages were 20.2 mm, 1.50 mm, 6.11, and 1.50 %, respectively. No significant difference (p > 0.05) was found in inedible fleshing by-products, but significant differences (p < 0.05) were found in trimming by-products production and salt required for curing. Salted skins were preserved for an average of 3.5 days. Hair follicles, sebaceous glands, erector pili muscles, collagen fibers, and fiber bundles were more regular in the butt region than shoulder and belly regions in the black, brown, white, and mixed coat color of Black Bengal goat skins.
以黑孟加拉山羊皮为研究对象,研究其被毛颜色的物理参数和组织结构特征。随机选取500张皮肤,用科学仪器测量,采用红木精-伊红染色法进行组织学研究。黑色毛色皮肤最高(58%),黑孟加拉山羊皮肤平均重998.80 gm,长29.24 cm,宽20.91 cm,但各组间差异不显著。臀区、铃区、肩区皮肤平均厚度分别为1.97、1.43、1.96 mm,各组间差异均有统计学意义。所有被屠宰的山羊都使用“Muchki”(吊装和握拳)方法剥皮。平均剥皮长度为20.2 mm,剥皮深度为1.50 mm,机械损伤和寄生损伤分别为6.11%和1.50%。非食用肉质副产物产量差异不显著(p > 0.05),但切边副产物产量和腌制需盐量差异显著(p < 0.05)。盐渍皮平均保存3.5天。黑孟加拉山羊黑色、棕色、白色和混合被毛的毛囊、皮脂腺、竖毛肌肉、胶原纤维和纤维束在臀部区域比肩部和腹部区域更有规律。
{"title":"Characterization and grading of Black Bengal goat skin based on coat color","authors":"Islam Talukder AKM Baharul, Akhter Fouzia, Barman Sanjit Chandra","doi":"10.17352/ijvsr.000120","DOIUrl":"https://doi.org/10.17352/ijvsr.000120","url":null,"abstract":"The research was conducted to study physical parameters and histological structural patterns based on the coat color of Black Bengal goat skins. Five hundred skins were randomly selected, and measured using scientific instruments and the Haematoxylin-Eosin staining method was used for histological study. Black coat color skin was found the highest (58%), the mean weight, length, and width of Black Bengal goat skin was 998.80 gm, 29.24, and 20.91 cm, respectively but there were no significant differences among the groups. The mean thickness of the skin was 1.97, 1.43, and 1.96 mm in the butt, bell, and shoulder regions, respectively, and significantly different between the groups in all categories. All slaughtered goats were flayed using the “Muchki” (Hoisting and fisting) method. The average flay cut length, depth, and mechanical and parasitic damages were 20.2 mm, 1.50 mm, 6.11, and 1.50 %, respectively. No significant difference (p > 0.05) was found in inedible fleshing by-products, but significant differences (p < 0.05) were found in trimming by-products production and salt required for curing. Salted skins were preserved for an average of 3.5 days. Hair follicles, sebaceous glands, erector pili muscles, collagen fibers, and fiber bundles were more regular in the butt region than shoulder and belly regions in the black, brown, white, and mixed coat color of Black Bengal goat skins.","PeriodicalId":344700,"journal":{"name":"International Journal of Veterinary Science and Research","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127971215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review on Listeriosis in small ruminants and public health significance in Ethiopia 埃塞俄比亚小反刍动物李斯特菌病研究进展及公共卫生意义
Pub Date : 2022-07-12 DOI: 10.17352/ijvsr.000119
Kundul Belete Gobasho, Ame Mohammedkemal Mustefa
Listeria monocytogenes is a bacterium mostly transmitted to man through food and it can cause mild gastroenteritis or severe infections of the bloodstream and/or the central nervous system, or abortion, depending on host susceptibility. Listeriosis is a serious illness caused by eating food contaminated with the bacterium Listeria, which is a Gram-positive psychotropic, facultatively anaerobic, none sporulating, motile, small rod. It displays characteristic tumbling motility that is facilitated by the presence of peritrichous flagella. Motility is temperature-dependent, showing high motility at 20-30°C when the flagellar expression is maximum. L. monocytogenes is ubiquitous in the environment and can be found in soil, water, feces, silage, effluent foods, and sewage. It has the ability to form biofilms which can contribute to its ability to colonize food processing facilities. The primary mode of transmission for Listeria is through soil contamination and ingestion of contaminated feed. Calves that develop the septicemic disease may acquire infection from contamination of the cow teat from the ingestion of milk containing the organism or from a cow with subclinical bacteremia, through the navel from the environment and also as congenital infection. Infection with Listeria. monocytogenes usually follow ingestion of contaminated feed and may result in septicemia, encephalitis, and abortion. There are few clinical features that are unique to listeriosis. Therefore, clinicians must consider a variety of potential causes of infection, including viral infections (influenza) and other bacterial infections that may cause sepsis or meningitis. Cook thoroughly raw food from animal sources, such as beef, pork, or poultry. Wash raw vegetables thoroughly before eating. Keep uncooked meats separate from vegetables and from cooked foods and ready-to-eat foods. Avoid raw (unpasteurized) milk or foods made from raw milk. Wash hands, knives, and cutting board and can contact with before and after handling cooked foods.
单核细胞增生李斯特菌是一种主要通过食物传播给人类的细菌,它可引起轻度胃肠炎或严重的血液和/或中枢神经系统感染,或流产,这取决于宿主的易感性。李斯特菌病是由食用被李斯特菌污染的食物引起的一种严重疾病,李斯特菌属革兰氏阳性精神药物,兼性厌氧,无孢子,运动,小杆状。它表现出特有的翻滚运动,这是由周围鞭毛的存在促进的。运动性与温度有关,在20-30°C时,鞭毛表达量最大,运动性高。单增李斯特菌在环境中无处不在,可以在土壤、水、粪便、青贮饲料、流出食物和污水中找到。它具有形成生物膜的能力,这有助于它在食品加工设施中定植的能力。李斯特菌的主要传播方式是通过土壤污染和摄入受污染的饲料。患有败血症的小牛可能因摄入含有该病菌的牛奶或患有亚临床菌血症的奶牛的乳汁受到污染而感染,也可能通过环境中的肚脐感染,也可能是先天性感染。李斯特菌感染。单核细胞增生症通常在摄入受污染的饲料后发生,可导致败血症、脑炎和流产。李斯特菌病很少有独特的临床特征。因此,临床医生必须考虑各种潜在的感染原因,包括病毒感染(流感)和其他可能导致败血症或脑膜炎的细菌感染。彻底煮熟来自动物来源的生食物,如牛肉、猪肉或家禽。生蔬菜吃之前要彻底洗净。将未煮熟的肉类与蔬菜、熟食和即食食品分开存放。避免生的(未经巴氏消毒的)牛奶或由生牛奶制成的食物。在处理熟食之前和之后,要洗手,刀子和砧板以及可以接触的东西。
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引用次数: 1
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International Journal of Veterinary Science and Research
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