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Effect of Feed Additive Supplementation on Growth Performance, Intestinal Morphology, Intestinal Microflora and Nutrient Digestibility Study of Broiler Chicken 饲料添加剂添加对肉仔鸡生长性能、肠道形态、肠道菌群及营养物质消化率的影响
Pub Date : 2021-05-07 DOI: 10.3844/AJASSP.2021.122.134
S. Omogo, E. Oparaji, F. U. Edeji
The present study evaluated the effect of various feed additive supplementation on growth performance, intestinal morphology, intestinal microflora and nutrient digestibility study of starter broiler chicks. A day-old broiler chicks with total number of two hundred and four (204) (Ross 308) were randomly allotted to eight (8) dietary treatments with four (4) replicate pens per treatment (average of 6 birds per replicate pen). Chicks in each treatment were allowed ad libitum access to their diet and water for thirty five (35) days. Dietary supplement for the 35 days were: Corn-soyabean meal basal diet (control); control +0.01% antibiotics; control +0.1% probiotics; control +0.02% prebiotics; control +0.06% essential oil; control +0.6% organic acid; control +0.1% enzyme and control + all the additives in the treatment groups (mixture). Growth performance results showed that there was significant increase (p<0.05) in final weight, total weight gain, average daily, weight gain, feed conversion ratio and feed efficiency of broiler of broiler chicks fed diet of antibiotics and prebiotics compared to the control group. Studies on the Ileal morphology parameters from day 1 to day 35 of broiler chicks fed with antibiotics and prebiotics additives indicated that there was significant increase (p<0.05) in villus height, illus width and muscle thickness of the chicks when compared with the control group. Result for the cecal morphology revealed that there was significant increase (p<0.05) in mucosal thickness, muscularis thickness and the ratio of mucosal thickness to muscularis thickness of chicks fed antibiotics and prebiotics compared to the control group. Studies on the microbial ileal and cecal composition showed that there was significant decrease (p<0.05) in ileal and cecal pathogenic bacteria; E. coli and Salmonella sp. of fed supplement of antibiotics, probiotics and prebiotics compared to the control group. There was a significant decrease (p<0.05) in Lactobacillus sp. in ileal and cecal of broiler chicks with fed supplement of antibiotics, probiotics and prebiotics compared to the control group. The present study has shown the efficacy and wide utility of prebiotics especially for organic practicing poultry farming; it has also validated their usage(s) as good substitute for antibiotic and other adjourning anti-microbial growth promoter xenobiotics whose applications has been banned in poultry industries.
本试验旨在研究不同饲料添加剂添加量对肉仔鸡生长性能、肠道形态、肠道菌群及营养物质消化率的影响。选取总数204只(Ross 308)的日龄肉仔鸡,随机分为8个饲粮处理,每个处理4个重复栏(平均每个重复栏6只鸡)。在35天内,每个处理的雏鸡可以自由地获得他们的饲料和水。35 d的饲粮补充为:玉米-豆粕基础饲粮(对照);对照+0.01%抗生素;对照组+0.1%益生菌;对照组+0.02%益生元;对照+0.06%精油;对照+0.6%有机酸;对照组+0.1%酶,对照组+各处理组(混合液)所有添加剂。生长性能结果表明,饲粮中添加抗生素和益生元的肉鸡的末重、总增重、平均日增重、增重、饲料系数和饲料效率均显著高于对照组(p<0.05)。对饲喂抗生素和益生元添加剂的肉鸡第1 ~ 35天回肠形态参数的研究表明,与对照组相比,饲喂抗生素和益生元添加剂的肉鸡的绒毛高度、绒毛宽度和肌肉厚度显著增加(p<0.05)。盲肠形态学结果显示,与对照组相比,抗生素和益生元组的黏膜厚度、肌层厚度及黏膜/肌层厚度比均显著升高(p<0.05)。对回肠和盲肠微生物组成的研究表明,回肠和盲肠致病菌数量显著降低(p<0.05);大肠杆菌和沙门氏菌被喂食抗生素补充剂,益生菌和益生元的对照组比较。饲粮中添加抗生素、益生菌和益生元的肉仔鸡回肠和盲肠乳酸菌数量显著低于对照组(p<0.05)。目前的研究表明,益生元的功效和广泛的用途,特别是在有机家禽养殖;它还验证了它们作为抗生素和其他延展性抗微生物生长促进剂的良好替代品的用途,这些抗生素和其他延展性抗微生物生长促进剂已被禁止在家禽业中使用。
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引用次数: 0
Forecasting the Diffuse Solar Radiation by using a New Modeling over Saudi Arabia 用一种新的模式预报沙特阿拉伯上空的太阳漫射辐射
Pub Date : 2021-05-05 DOI: 10.3844/AJASSP.2021.135.151
S. Khalil
Within the arranging and execution assessment of solar energy projects, particularly within the planning and estimation of solar photovoltaic sources as elective energy sources within the future, exact evaluation of Diffuse Solar Radiation (DSR) is one of the essential and basic issues. The target of this article is to use the new model to predict DSR in four different locations in Saudi Arabia. The author explored the available meteorological and radiation data. The data covers the 25 years from 1990 to 2014 and were measured at Al-Baha, Abha, Jeddah and Taif locations in Saudi Arabia. Through detailed statistical evaluation and analysis, 19 empirical models were tested to construct the best empirical model to estimate the monthly average daily DSR of Saudi Arabia. Using widely used statistical errors, namely MBE, MPE, RMSE, U95, R, t-test and GPI the proposed correlation model was compared with 19 models provided in the literature. Through this analysis, the cubic empirical equation model is selected as the good model. Compared with these existing models, this model reveals accurate results with minimal statistical errors. Based on these results, Model 22 gives the highest GPI value. The conclusion is the cubic equation model of the diffusion fraction (i.e., D/G = 0.215+2.123 (S/So) -3.547(S/So)2+5.142 (S/So)3 is the best agreement model that has been mentioned in the previous discussion. This model is a generalized equation in Saudi Arabia, which can forecast the monthly average daily diffuse radiation on the horizontal plane at any site under similar climatic conditions without the measured climatic conditions. Experts or architects can use this model to perform site selection and technical and financial evaluation of solar energy applications and photovoltaic technology.
在太阳能项目的安排和实施评估中,特别是在未来太阳能光伏能源作为可选能源的规划和评估中,准确评估太阳漫射辐射(DSR)是必不可少的基础问题之一。本文的目标是使用新模型来预测沙特阿拉伯四个不同地点的DSR。作者探讨了现有的气象和辐射资料。这些数据涵盖了从1990年到2014年的25年,是在沙特阿拉伯的Al-Baha、Abha、吉达和塔伊夫地区测量的。通过详细的统计评价和分析,对19个实证模型进行了检验,以构建估算沙特阿拉伯月平均日DSR的最佳实证模型。采用MBE、MPE、RMSE、U95、R、t检验和GPI等常用统计误差,将本文提出的相关模型与文献中的19个模型进行比较。通过分析,选择三次经验方程模型作为较好的模型。与现有模型相比,该模型结果准确,统计误差最小。基于这些结果,模型22给出了最高的GPI值。结论为扩散分数的三次方程模型(即D/G = 0.215+2.123 (S/So) -3.547(S/So)2+5.142 (S/So)3)是前面讨论中提到的最佳一致性模型。该模型是沙特阿拉伯的一个广义方程,可以在不测量气候条件的情况下,预测相似气候条件下任意地点水平面上的月平均日漫射辐射。专家或建筑师可以使用这个模型来进行太阳能应用和光伏技术的选址、技术和财务评估。
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引用次数: 1
Stock Return, Growth and Inflation in India: Analysis of Stochastic Seasonality, Impulse Response and Multivariate GARCH 印度股票收益、增长和通货膨胀:随机季节性、脉冲响应和多元GARCH分析
Pub Date : 2021-05-03 DOI: 10.3844/AJASSP.2021.107.121
Panchanan Das
Thisstudy analyses the empirical interdependence among asset returns, industrialgrowth and inflation after controlling for interest rate by consideringstochastic seasonality and conditional volatility with monthly time series inIndia. The HEGY unit root test suggests that industrial growth and inflationexperience only stochastic trend and no persistent stochastic behaviour at anyother seasonal frequencies, while stock return follows persistent seasonaltrend. The study observes that causality goes from stock return to industrialgrowth, although the extent of causality is very low, but not the other wayround. This finding has significant policy implications particularly in thecontext of financial sector reforms in India. Inflation has negative impact onstock returns, while the innovations in stock returns have not transmitted toinflation.
本文通过考虑随机季节性和月度时间序列的条件波动,分析了印度在控制利率后,资产收益、工业增长和通货膨胀三者之间的实证相互依存关系。HEGY单位根检验表明,在任何其他季节频率下,工业增长和通货膨胀只经历随机趋势而不经历持续的随机行为,而股票回报遵循持续的季节性趋势。研究发现,因果关系从股票收益到工业增长,尽管因果关系的程度很低,但反之则不然。这一发现具有重要的政策意义,特别是在印度金融部门改革的背景下。通货膨胀对股票收益有负向影响,而股票收益的创新并没有传导到通货膨胀。
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引用次数: 0
Assessment Of Transmission Development Of Transport Services To The Population Of Kashkadarya Region On The Basis Of Trend Models 基于趋势模型的喀什地区交通服务向人口传递发展评价
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-49
A. Rakhimov, Murodjon Ashurqulovich Ochilov
The development of the sector of transport services to the population and changes in relation to other sectors of services are analyzed. We made estimates, economic analysis and forecasting on the basis of trend models in the process of development of the transport services sector.
分析了向人口提供运输服务的部门的发展以及与其他服务部门有关的变化。在发展趋势模型的基础上,对交通运输服务业发展过程进行了测算、经济分析和预测。
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引用次数: 0
Methodological Basis Of Creation, Organization And Decoration Of Platter's Artistic Composition In Applied Art 应用艺术中拼盘艺术构图的创作、组织与装饰的方法论依据
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-42
Rasulov Murad Absamatovich, Abdurashidkhonova Muslimahon Bahodirhon
The article contains all the patterns that have been used since ancient times in Applied Arts, although they are conditional representations of nature and reality, they have their own rules, and these rules are derived in a stylized way from nature itself. The article provides information on the artistic processing of the bowl, which is typical of the art of woodcarving.
文章包含了应用艺术中自古以来使用的所有模式,虽然它们是自然和现实的条件表征,但它们有自己的规则,这些规则以风格化的方式从自然本身衍生出来。本文介绍了典型木雕艺术的碗的艺术加工。
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引用次数: 1
The Role, Importance And Relevance Of Information Technology In The Motivational Phase Of Teaching 信息技术在教学激励阶段的作用、重要性和相关性
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-47
G. Berdieva
The article discusses the role, relevance and importance of information technology in the learning process, as well as in the motivational phase of teaching. Special attention is paid to the type of motives and skills of the student in mastering the lessons, namely, the connection of the topics of computer science with motivational knowledge. Thus, the article notes the effective acquisition of pedagogical knowledge through databases.
本文讨论了信息技术在学习过程中的作用、相关性和重要性,以及在教学的激励阶段。特别关注学生掌握课程的动机和技能类型,即计算机科学主题与动机知识的联系。因此,本文注意到通过数据库有效地获取教学知识。
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引用次数: 0
Bio-Morphological Peculiarities Of Salsola Orientalis S. Gmel In The Conditions Of South Aral Sea Region 南咸海地区东方Salsola Orientalis s.g mel的生物形态特征
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-39
Baltabaev Muratbai Torebaevich, Karlibayeva Miyassar Abdinasir Kizi, Jabbarbergenov Asadbek, Djumanazarova Khalima Xodjanazarovna
The article is devoted to the study of the growth and development of Salsola orientalis S. Gmel in a culture. In the literature, the growth and development of Salsola orientalis S. Gmel is readily eaten by animals in all seasons and is a good fatty food for sheep. The eaten part of the plants is annual shoots with leaves; flowers and fruits, often more lignified lower parts of the bushes. Therefore, it is difficult to find plants in grazed areas that are not damaged by animals, which makes Salsola orientalis quite suitable for making hay. Despite the practical value of this species and great attention from researchers, the growth and development of Salsola orientalis, taking into account the influence of the ecological conditions of the Karakalpak part of the Kyzyl-Kum Desert, have been little studied.
本文研究了东洋Salsola orientalis S. Gmel在不同文化条件下的生长发育。在文献中,Salsola orientalis S. Gmel的生长发育一年四季都容易被动物食用,是绵羊很好的脂肪食物。这种植物被吃掉的部分是一年生带叶的嫩枝;花和果实,通常在灌木的较低部分木质化。因此,在放牧地区很难找到没有被动物破坏的植物,这使得东方Salsola非常适合制作干草。尽管该物种具有实用价值,并受到研究者的高度关注,但考虑到喀喇昆姆沙漠卡拉卡尔帕克部分生态条件的影响,对东方Salsola orientalis的生长发育研究却很少。
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引用次数: 0
Analysis Of Scientific Research On The Use Of Renewable Energy Sources In The Heat Supply System 供热系统中可再生能源利用的科学研究分析
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-37
S. Khamraev, Saydulla Mirzaevich Khuzhakulov, B. I. Kamolov, Shakhboz Khairulla Oglu Khusunov, Behzod Abdulla Oglu Narzullaev
The article analyzes the results of research conducted by scientists from foreign countries and schools of Uzbekistan on the use of solar energy in the heating systems of residential buildings and sectors of the economy. As a result of a brief analysis of scientific research, it is stated that there are problems with combined heat supply systems operating on the basis of solar energy in natural conditions that are suitable for the climatic conditions and solar energy potential of the southern regions of the country. I-heat carrier circulation circuit; Circulation contour of the refrigerant in II-INQ; Contour of water transfer from the ground accumulator III to the INQ evaporator; Solar energy utilization system with IV solar collector.
本文分析了来自国外和乌兹别克斯坦学校的科学家在住宅建筑和经济部门的供暖系统中使用太阳能的研究结果。通过对科学研究的简要分析,指出在适合我国南部地区气候条件和太阳能潜力的自然条件下,以太阳能为基础运行的联合供热系统存在问题。i -热载体循环回路;II-INQ中制冷剂的循环轮廓;从地面蓄能器III到INQ蒸发器的水输送轮廓;带有IV太阳能集热器的太阳能利用系统。
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引用次数: 1
Ethnodemographic Information As A Source In Population Censes (On The Example Of Uzbekistan) 人口普查中的民族人口信息来源(以乌兹别克斯坦为例)
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-36
Saodat Abdurashidovna Toshtemirova
This article analyzes ethno-demographic data, their study and, in turn, is based on population censuses. Historical aspects of ethno-demographic data in population censuses are presented. The analysis of family data in the censuses reflects the historical context of the family's lifestyle and social status, while also focusing on the ethnic composition of the population. An independent final opinion on the topic is given.
本文分析了民族人口统计数据,他们的研究,反过来,是基于人口普查。介绍了人口普查中民族人口统计数据的历史方面。人口普查中对家庭数据的分析反映了家庭生活方式和社会地位的历史背景,同时也关注人口的民族构成。对这个话题给出了一个独立的最终意见。
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引用次数: 0
Species Composition And Areal Of Distribution Of Bronze Beetles (Cetoniinae) In Orchards In The Conditions Of Uzbekistan 乌兹别克斯坦地区果园铜甲虫的种类组成及分布面积
Pub Date : 2021-04-30 DOI: 10.37547/TAJAS/VOLUME03ISSUE04-38
M. Umurzokov, D. Turgunboeva, А. M. Khudoyqulov, Оmanturdiyev Sh.S.
This article, using the literature, analyzes the species composition, distribution, harmfulness, bioecology of beetles belonging to the family of bronze beetles (Cetoniinae) of the order Coleoptera in orchards. Based on the information received, practical conclusions and recommendations are presented.
本文利用文献资料,对果园鞘翅目铜甲虫科甲虫的种类组成、分布、危害及生物生态学进行了分析。根据收到的资料,提出了实际的结论和建议。
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引用次数: 0
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