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动物身份识别技术是人们管理动物、研究动物生态学的基础,随着社会的进步和科学技术的发展,动物身份识别技术也在不断地更新和完善。文章从有侵入性和无侵入性两方面对动物身份识别技术进行了梳理,介绍了侵入性动物身份识别技术,该技术包括烙印法、纹身法、耳痕法、喷涂法和传统耳标法、电子耳标法和生物识别技术(包括视网膜或虹膜识别、唇鼻纹识别、面部识别及DNA识别),并对无侵入性身份识别方法(包括传统图像处理和机器学习方法与深度学习方法两种)数据集的获取及不同应用场景(包括固定场景、开放场景、单一物种和多物种)进行了介绍,总结了动物身份识别技术的挑战与发展趋势,旨在为动物身份识别技术的研究和应用提供参考。 相似文献
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由于科学技术的发展,囊虫病免疫诊断检测方法有了很大的进展,主要有1.免疫学检测方法,包括酶联免疫吸附法(ELISA)、斑点酶联免疫吸附法(Dot-ELISA)、生物素-亲和素酶联免疫吸附法(BAS-ELISA)、单克隆抗体酶联免疫吸附试验(McAb-ELISA)、酶联免疫印渍技术(ELIB);2.基因检测技术,包括DIG标记DNA探针、细胞因子基因检测方法、基因重组技术;3.免疫试剂盒的应用,包括循环抗原酶联免疫试剂盒、猪囊虫短程抗体IgG4快速ELISA检测试剂盒等。 相似文献
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四环素类药物(tetracyclines, TCs)是一种广谱抗生素,常用于治疗奶牛疾病,但使用不当易导致药物残留,影响牛奶品质与食用安全。目前,快捷、高效、一次可检测多种药物是兽药残留分析技术的发展方向。笔者综述了牛奶TCs残留分析技术中常见的样品前处理、纯化和药物测定方法,包括液-液萃取(liquid-liquid extraction, LLE)和液-液微萃取(liquid-liquid micro extraction, LLME)等前处理方法,液-液分配(liquid-liquid partition, LLP)、固相萃取(solid-phase extraction, SPE)、QuEChERS等纯化方法,以及薄层色谱(thin-layer chromatography, TLC)法、化学发光(chemiluminescence, CL)法、毛细管电泳(capillary electrophoresis, CE)法、高效液相色谱(high performance liquid chromatography, HPLC)法、液相色谱串联质谱(liquid chromatogr... 相似文献
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动物性产品中“瘦肉精”残留的检测方法研究进展 总被引:5,自引:0,他引:5
本文综述了“瘦肉精”检测方法的研究进展。指出简易检验法、高效液相色谱法(HPLC)、气相色谱-质谱法(CG-MS)、毛细管区带电泳法(CE)和免疫分析技术(IA)是目前国内外用于检测CLB的常用方法,但都不是十分理想,新兴的滴金免疫技术(DIGFA)和生物传感器技术(BS)由于其明显的技术优越性,必将成为CLB检测技术的新宠儿。 相似文献
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用“哥特里一罗紫法”、“酸水解法”和“快速测定法”(乳成份分析仪法)三种方法进行牦牛乳中脂肪含量的测定,经对测定结果的比较分析得出:在测定牦牛乳中的脂肪含量时“哥特里.罗紫法”优于“酸水解法”;而在现场牦牛乳中脂肪含量测定时宜用“乳成分分析仪”进行快速测定。 相似文献
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J Hrdlicka 《Veterinární medicína》1990,35(7):411-418
Three microbiological methods of agar diffusion were compared which are used to detect the residues of inhibitory substances: method using the strain Bacillus subtilis ATCC 6633 (B.s. 6633), method using the strain Bacillus stearothermophilus v. calidolactis C 953 (B. s. v. c. 953), and four-plate method. Using the compared methods, minimum inhibitory concentrations were determined for standard solutions of antibiotics and sulphadimidine. Inhibitory substances were detected parallely in the samples of the tissues of medicated and emergency-slaughtered animals, applying the three compared methods. In indicated cases inhibitory substances were identified by electrophoresis and chemical methods. The results indicate the following: 1) The B.s. 6633 method is the least sensitive of all to the residues of inhibitory substances. 2) For the purposes of detection of most antibiotics under investigation, the B.s.v.c. 953 method and the four-plate method are replaceable. The B.s.v.c. 953 method is more suitable for the detection of penicillin residues, in the case of tetracycline antibiotics it is the four-plate method. 3) Sulphadimidine residues can be detected only by the four-plate method. 4) The four-plate method enables to make the preliminary group identification of antibiotics and sulphonamides. 5) The detection limit of microbiological methods is not sufficiently sensitive to determine chloramphenicol residues; that is why the physico-chemical methods must be used. 相似文献
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饲料中种钙含量测定方法的比较研究 《畜牧与饲料科学》2016,37(10):38-38
试验采用高锰酸钾法(GB/T 6436-2002)、乙二胺四乙酸二钠络合滴定法(EDTA法,GB/T 6436-2002)和均相沉淀法对11种饲料原料进行钙含量测定的比较研究。结果表明,对饲料中的钙含量进行测定,3种方法所获得的结果差异均不显著(P〉0.05)。其中,高锰酸钾法准确度高于EDTA法和均相沉淀法,但过程复杂、时间长;EDTA法简单、快速,但测定结果不好判断;均相沉淀法比较生僻,很少在实际生产中应用。 相似文献
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Kvác M Kvetonová D Půzová G Ditrich O 《Journal of veterinary medicine. B, Infectious diseases and veterinary public health》2003,50(8):405-411
This study involved the comparison of suitability of different methods for routine diagnostics of Cryptosporidium spp. Two staining methods, one concentration-sedimentation method, seven concentration-floatation methods and one combined floatation-sedimentation method were compared. The methods were tested with two concentrations (1 x 10(5) and 1 x 10(6)/g) of C. parvum and C. andersoni. The methods were evaluated using light microscope, magnification 400x for concentration methods and 1000x for stained samples respectively. Specificity of both staining methods was 95-100%. Ziehl-Neelsen with P < 0.01 is more suitable for identification of C. andersoni and modified Milácek-Vítovec with P < 0.01 for identification of C. parvum. Concerning specificity and sensitivity, the floatation-concentration method by Sheather was found to provide the best results of all selected methods. The merthiolate iodine formaldehyde concentration (MIFC) method was the least specific one. The least suitable method concerning sensitivity and costs was the floatation method with caesium chloride (CsCl) with a specificity of 29%. 相似文献
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Method comparison in the clinical laboratory 总被引:2,自引:0,他引:2
Jensen AL Kjelgaard-Hansen M 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2006,35(3):276-286
Studies comparing a new method with an established method, to assess whether the new measurements are comparable with existing ones, are frequently conducted in clinical pathology laboratories. Assessment usually involves statistical analysis of paired results from the 2 methods to objectively investigate sources of analytical error (total, random, and systematic). In this review article, the types of errors that can be assessed in performing this task are described, and a general protocol for comparison of quantitative methods is recommended. The typical protocol has 9 steps: 1) state the purpose of the experiment, 2) establish a theoretical basis for the method comparison experiment, 3) become familiar with the new method, 4) obtain estimates of random error for both methods, 5) estimate the number of samples to be included in the method comparison experiment, 6) define acceptable difference between the 2 methods, 7) measure the patient samples, 8) analyze the data, and 9) judge acceptability. The protocol includes the essential investigations and decisions needed to objectively assess the overall analytical performance of a new method compared to a reference or established method. The choice of statistical methods and recommendations of decision criteria within the stages are discussed. Use of the protocol for decision-making is exemplified by the comparison of 2 methods for measuring alanine aminotransferase activity in serum from dogs. Finally, a protocol for comparing simpler semiquantitative methods with established methods that measure on a continuous scale is suggested. 相似文献
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食品及饲料中三聚氰胺检测方法的比较 《畜牧与饲料科学》2015,36(4):97-97
介绍了国内外近年来对三聚氰胺定量检测的方法。主要涉及奶粉等乳制品及饲料中三聚氰胺的检测,包括色谱法、色谱-质谱联用法(GC—MS、LC—MS)、光谱法及免疫法等,通过分析和比较可以看出,上述典型的检测方法检测费用较高,仅限于实验室检测,难于推广,或者虽然检测费用低,但检测结果不准确,而纳米金、石墨烯等新型材料的引入,对微量的三聚氰胺检测能够更加快速、便捷、准确。 相似文献
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