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Apparent prevalence of brucellosis, Q-fever and toxoplasmosis in aborted goat’s at North Shoa, Ethiopia
Get PDFAbortion imposes great economical loss in productivity and by product of small ruminants. The present study was conducted to determine the rate of abortion and apparent prevalence of Brucellosis, Toxoplasmosis and Q-fever in aborted goats from June 2015 to August 2019 in North Shoa, Ethiopia. During consecutive years of clinical case study 503 does were entered to mating, of which100 (19.5 %) animals aborted. There were significant differences (p=0.013) in abortion among parities. A total of 35 serum samples were collected from aborted does within six months periods. All samples were screened initially with Rose Bengal plate test (RBPT) for Brucellosis. All RBPT positive were further tested by i-ELISA. Also, serums were tasted to screen specific antibody against Q-fever and Toxoplasmosis using i-ELISA. Of total tested 64.7 % and 8.6 % of them were positive for Q-fever and Toxoplasmosis, respectively, but neither of them was positive for Brucellosis. The present clinical study revealed that abortion was the cause of kids’ loss and serological investigation of antibody against Q-fever and Toxoplasmosis showed that the agents were the major causes of abortion. Even though there was no positive reactor does to brucellosis, the result must be interpreted with care since absence of evidence is not evidence of absence. Beside of this, some samples collected from active cases were sero-negative for neither of tested antibodies; it indicated there was other cause/s of abortion in the study site. These interesting findings deserve further detail study by using more sensitive diagnostic test in order to examine the full extent of the problem in small ruminant populations. Also, an awareness-raising campaign should be launched to educate farm workers and professionals about proper preventive and control measures for such zoonotic disease
Study of efficiency of berry extracts in the technology of semi-smoked sausages
Get PDFThe work is devoted to the study of the effectiveness of the use of berry extracts (Aronia melanocarpa Elliot and Ribes nigrum L.) in the technology of semi-smoked sausages. The aim of the study was to study the effectiveness of the use of berry extracts (Aronia melanocarpa Elliot and Ribes nigrum L.) in the technology of semi-smoked sausages. The raw minced semi-smoked sausages were supplemented with the above-mentioned extracts in concentrations of 0.2–0.5 % of the weight of raw materials in order to slow down the oxidative processes in the lipid fraction of the product. Studies of the antioxidant efficiency of berry extracts and the effect on microbiological stability were performed during the shelf life of the finished product.
It has been found, that the introduction of the chokeberry extract in a concentration of 0.2 to 0.5 % of the weight of minced meat significantly inhibits the hydrolytic oxidation of lipids in the finished product, resulting in reduced intensity of lipid peroxidation. It has been confirmed, that the stabilization of lipid peroxidation in semi-smoked sausages leads to inhibition of the formation of primary oxidation products. At the end of the shelf life of the PV (peroxide value) of the test samples was at least 0.017 mg/KOH (potassium hydroxide), which was 63.04 % less than in the control.
The study of the content of secondary oxidation products allowed to estimate the depth of oxidation processes, occurring in the samples of semi-smoked sausages when stored for 25 days at a temperature of 0–6 °C. It has been proved, that the amount of secondary oxidation products, reacting with thiobarbituric acid, was the lowest at the end of the shelf life of the finished product with a concentration of the chokeberry extract of 0.5 %. TBV (thiobarbituric value) of this sample was 0.197±0.001 mg MA/kg, which was 3.74 times lower than in the control.
The introduction of extracts can reduce microbiological contamination and achieve a bacteriostatic effect. The lowest total contamination was recorded in a sample with a concentration of the chokeberry extract of 0.5 %. The tendency to decrease MAFAnM (number of mesophilic aerobic and facultative anaerobic microorganisms) was noted in all experimental samples. And in direct proportion to the concentration of extracts. Comparative evaluation of the effectiveness of the preparations showed that the extract of chokeberry in a concentration of 0.5 % more effectively inhibits oxidative processes than the extract of black curran
Green areas state assessment within the urban territories
Get PDFThe urbanized environment is a complex heterogeneous system that is constantly changing. In large cities, there is a complex stress effect on living organisms. Different areas of the city may be permanently or temporarily dominated by a certain stress factor. Vegetation is a component of urban landscapes, which are natural and artificial objects of various functional purposes. The ecological functions of green spaces include: environmental protection, environmental regulation and aesthetic functions. All these functions play an important role within residential buildings, especially in children's playgrounds. Various types of damage to green spaces negatively affect their main functions. The susceptibility to damage of woody plants by insects depends on anthropogenic factors of the environment, which lead to the weakening of plants and to the loss of resistance to these types of negative influences. The resistance of plants to diseases often decreases under the influence of transport and industrial pollution in the external environment. The purpose of the study is phytopathological analysis of the green areas state on children's playgrounds in Kharkiv. Green plantations state assessment methods of urban areas using various technical means are analyzed. green plantings condition and morbidity analysis using one of the offered methods is carried out. According to the results of phytopathological analysis, it was determined that 100 % of the species Aesculus hippocastanum L., which grow on playgrounds in Kharkiv, are affected by Cameraria ohridella. Among the bushes, Syringa vulgaris L. and Spiraea L. are the most affected by diseases and pest
Tongue rolling and hand clasping among various ABO blood groups in a University community in Eastern Nigeria
Get PDFMorphogenetic traits are physical observable traits that can be inherited either in a single gene or multifactorial pattern. ABO blood group is a codominant inherited trait that has been associated with different anatomical and physiological variations. However, there are limited studies that have linked ABO blood groups with some morphogenetic traits.
This study was conducted to ascertain the distribution of morphogenetic traits like hand clasping and tongue rolling among ABO blood groups in a University community in Eastern Nigeria.
A total of 115 volunteers participated in the study. The blood groups of the participants were determined and the expression of the morphogenetic traits was gotten by physical observation. Greater proportion of the participants were males (55.65 %), students (61.74 %) and within ages 15−25 (58.26 %). There was a higher prevalence of blood group O (57.39 %), tongue non-rollers (53.04 %) and right hand clasping (74.78 %) among the participants. The participants with blood groups A and O recorded a higher distribution of tongue non-rollers while those with blood groups B and AB recorded an equal number of both tongue roller and non-rollers. The participants with blood groups A, B and O recorded a higher distribution of right hand clasping while those with blood group AB recorded a significant higher distribution of left hand clasping (P<0.05).
In conclusion, morphogenetic pattern of tongue rolling could not be associated with ABO blood group, whereas that of left hand clasping was associated with blood group AB suggesting that individuals with blood group AB is likely to exhibit left hand clasping; forming basis for determination of hand clasping using ABO blood group in future advancement of genetics and forensic scienc
Comparative characteristics of native (liquid) and concentrated up to 40 % vinasse as a raw material for anaerobic fermentation
Get PDFThe energy crisis that is currently taking place in Ukraine requires an active search for alternative energy sources. Ukraine provides itself with natural gas and oil of its own production only by 20 %. With the help of biogas technologies, it is possible to increase the share of energy from renewable sources, reduce the amount of waste generation, and limit greenhouse gas emissions. Biogas is produced as a result of methane fermentation of biomass. There is a significant problem with the waste of bioethanol production – beet vinasse, a dark-colored liquid with an unpleasant odor. Anaerobic fermentation technologies are the basis for the disposal of organic waste in the world. Vinasse concentration is one of the alternatives with which can be the efficiency of anaerobic digestion and reduce the negative economic and environmental consequences of applying large volumes of vinasse in the fields. Studies show that concentrated vinasse is more suiTable for methane fermentation than liquid vinasse. The process of concentrating vinasse is economically beneficial for plants, as it will reduce the size and cost of building biogas reactors and can facilitate the management and processing of vinasse. An additional advantage of using methanogenesis for waste utilization is obtaining the digestate – the product after methane fermentation and obtaining the main product − biogas. It can also be successfully used in agriculture as a fertilizer. It has many nutrients and does not pollute the environment, as it is free from fermentation products. The proposed technologies will allow sugar and alcohol plants to carry out waste-free production, receiving the main product biogas to meet their own energy needs, and digestat
A study of the physico-chemical composition and technological properties of sheep and goat milk (ShGM) depending on the breed of the animal
Get PDFThe aim of the study is to identify and substantiate the breed of sheep and goats for collecting milk for the purpose of producing yogurt. The milk of 14 breeds of sheep and 10 breeds of goats was considered for the production of yogurt. A statistical analysis is given and the choice of breed of goats and sheep for the selection of milk for the production of live yogurt is substantiated. Live yogurt is a product with live microorganisms for 14 days, in this case, the viability of bacteria is 28 days when stored in refrigerated conditions, in plastic cups sealed with a foil lid, using special equipment.
Probiotics stimulate the production of immunomodulatory substances by beneficial intestinal microflora, as well as normalize cholesterol and glucose levels in the blood, bind and remove some toxic substances from the body. Research in this direction will open up many hidden potentials of fermented milk products based on sheep and goat milk and live microorganisms. There are prerequisites for the creation of new original recipes for functional dairy products and these studies are of the greatest scientific interest. The laboratories of the Kazakh Research Institute of Processing and Food Industry also used their own living microorganisms – probiotics for the preparation of consortiums based on lactic acid and bifidobacteria. Milk was collected from 10 ewes and goats from each breed from June to August 2021. Milk sampling was carried out in the morning milking. Milk indicators were studied using standard methods in the laboratory "Biotechnology, quality and safety of food products" of the "Kazakh Research Institute of Processing and Food Industry" LLP
Scientific substantiation of the use of plant processing derivatives for enrichment of ferrous milk drinks
Get PDFDerivatives from plant processing are generally classified as industrial waste. Despite their biological properties, they are mostly recycled or used in the production of animal feed. Given the rapid growth of the world's population and the increased interest of consumers in plant foods, it is advisable to use plant by-products as nutritional supplements with certain functional properties. The purpose of the study is to substantiate the possibility of using sesame flour and rice bran as fillers in the production of fermented milk drinks. Formulas were developed for fermented milk drinks enriched with sesame flour in the amount of 2 % and rice bran – 1 %. The amount of additives was determined taking into account the optimal organoleptic indicators. The study showed that the addition of additives increased the content of dietary fiber in a product enriched with rice bran, up to 0.3%, and up to 0.7 % in a fermented milk drink with sesame flour. The antioxidant properties of a fermented milk drink enriched with sesame flour were studied. Antioxidant properties were determined by the level of DPPH radical scavenging activity. The results of the study showed that the highest DPPH radical scavenging activity (1.82 mg/ml) was observed in the enriched sample on day 7 of storage. On the 14th day of storage in the control sample, the activity decreased to 1.55 mg/ml, while in the sample with sesame flour its value was at the level of 1.75 mg/ml. Thus, it can be argued that the investigated plant by-products can be used as additives to increase the content of dietary fiber and increase the shelf life of product
Comparison of bagged tomato storage characteristics under two different evaporative pad materials
Get PDFTomatoes are important in the agricultural sector as they serve as raw materials for the production of value added products. The aim of this study was to compare bagged tomato (tomato in sealed Ziploc bags storage characteristics using two evaporative pad materials (charcoal and river sand). River sand and charcoal were used as cooling pads with storage under ambient conditions being the third treatment (control). Each treatment had two replicates. Temperature, Relative humidity, Cooling efficiency, Weight, Firmness and Colour assessment were determined throughout the test period and the results were subjected to Analysis of Variance [ANOVA]. Means were separated using DMRT at 5 percent level of significance. Result from storing bagged fresh tomatoes under both media showed that a cooling chamber filled with charcoal as absorbent material with uninterrupted water supply performed best in the storing of tomato fruit when compared to tomatoes stored under ambient conditions or with river sand as evaporative media. It is therefore recommended that further studies should vary the use of different absorbent materials with respect to availability, cost, and durability among others. Comparison can also be further made between tomato storage under bagged and unbagged condition
Development of modern nanotecnologies and combined biotoxicity problems
Get PDFFast progress in modern nanotechnologies based on use of nanoparticles, nanofibers and nanotubes with different composition, shape and size allows elaboration of materials with superhigh strength, thermal and electric conductivity, acoustical and optical properties. Those materials are already widely used in industry, transportation, aerospace, marine and civil engineering, food processing and medicine. Some examples of nanoreinforces composites, superhydrophobic self-cleaning surfaces, nanodyes and suspensions of nanoparticles are described. The problem of uncontrolled accumulation of some types of nanoparticles in our cells and tissues is discussed within the concept of nanotoxicity. Since the history of permanent observation of human health in connection with nanodust accumulation in the atmosphere, waters and soils is not enough long, the detailed evidences must be documented, systematized and discussed.
In this study a brief systematic review of literature on the biotoxicity problems caused by modern nanotechnologies is given. Production of the nanoparticles, nanofibers and nanotubes for industry, transportation, food processing, as well as utilization of the used materials which properties were modified by the nanotechnologies leads to permanent rise of the nanodust in the atmosphere, soils, river waters, lakes and the sea bottom. Their uncontrolled interaction with flora and fauna could be catastrophic for human health and life on the Earth. Promising ways for the problem solution and perspectives are discussed. Some own results on the protective action of nanodiamonds, silver and some other nanoparticles are presented. A vital necessity of an open access database on known types of nanoparticles, their use in the materials and documented influence of health of animals and humans is discusse
Significance of the level of implementation of food legislation and the food safety management system in Ukraine for the dynamics of the spread of food poisoning (retro analysis)
Get PDFEnsuring safe nutrition is one of the important tasks of each state for the proper state of public health. In developed countries such as the US and the EU, food safety is a public health priority and is ensured through the development of a regulatory framework, the establishment and implementation of effective food safety systems throughout the food chain. However, despite the existence of legislation and government oversight, official data show a high number of outbreaks of foodborne diseases in these countries. In this regard, WHO calls on states to constantly monitor the situation with the occurrence of food poisoning in order to improve the means of monitoring the safe nutrition of the population. In Ukraine, there is food legislation, which was formed much later than in the EU and the USA, and later the mechanism for ensuring safe food was introduced – the HACCP system (Hazard Analysis and Critical Control, English Point). The article presents retrospective analytical data related to the occurrence of food poisoning among the population of Ukraine in the pre-war period (2019−2020) and analyzes the problems that contributed to the emergence of these diseases. Comparison in dynamics allows to see not only the changes that have taken place, but also to understand the advantages and disadvantages that were applied in the previous period and develop measures based on the experience gained over the past years. The target issues of this article were the analysis of international and national food legislation as important tools for managing the level of food poisoning, a retro-analysis of the level of food poisoning in different regions of Ukraine and the establishment of factors that contributed to the occurrence of these disease