Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2019 (vol. 67), issue 1
Coconut Water and IAA Effect on the In Vitro Growth of Tribulus terrestris L.
Enik Akhiriana, Samanhudi, Ahmad Yunus
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 9-18 | DOI: 10.11118/actaun201967010009 
Tribulus (Tribulus terrestris L.) is a medicinal plant with considerable implementation such as aphrodisiac and anti-inflammation drugs. This research was conducted to study the effectivity of coconut water and IAA (Indole-3-acetic acid) application on various concentration as the growth regulator for tribulus growth on the in vitro and its effect toward observation variables. The material used were cotyledon from tribulus embryo and MS (Murashige and Skoog) medium. The research method used a Completely Randomized Design with first factor of coconut water concentration of 0 mL L-1, 50 mL L-1, 100 mL L-1,...
Polymorphisms in CSN3, CSN2 and LGB Genes and Their Relation to Milk Production in Dairy Cattle in the Czech Republic
Jind�ich ��tek, Lenka Hanusov�, Lucie L�skovcov�, Eva Samkov�, Oto Hanu�, Lucie Haso�ov�, Zuzana K���ov�, Libor Ve�erek
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 19-24 | DOI: 10.11118/actaun201967010019
The principal objective of this study was to perform genotyping of the CSN3, CSN2 and LGB genes in selected dairy cattle breeds in the Czech Republic, to determine genotype and allele frequencies and to perform an associative analysis on milk yield in kg, the percentage of fat and protein content, and fat and protein production in kg. The AA was the most frequent genotype for CSN3 with a frequency of 0.474 and the A allele (0.694). The BB genotype (0.814) and the B allele (0.895) predominated in CSN2 gene. Other genotyping was performed for the A1 and A2 alleles, the most...
Distribution of Western Hoolock Gibbons and Nutritional Status of Food Plants in Cachar District of Assam, India: Reaching Out to Local Communities for Conservation
Mitrajit Deb, Shubhadeep Roychoudhury, Parimal C. Bhattacharjee, Indu Sharma, Sunil Nautiyal, Petr Sl�ma
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 25-39 | DOI: 10.11118/actaun201967010025
Western hoolock gibbon (Hoolock hoolock) is listed as an endangered mammal in IUCN Red List. It is also listed in CITES Appendix I and in the Schedule I of the Indian Wildlife (Protection) Act, 1972. In the present work the status and distribution of Western hoolock gibbons in Cachar district of Assam, India was explored by conducting field studies from September 2012 to August 2013 using line transect and call count methods. Group composition, group size and adult sex ratio of nine gibbon groups and one solitary male were recorded. Groups comprised 36 % adult males, 32 % adult females, 10 % sub-adult males, 11 % juveniles and 11 % infants and...
Corvus corax Diet Composition in Different Agricultural Lands in Algeria
Ahlem Guerzou, Mokhtar Guerzou, Wafa Derdoukh, Karim Souttou, Salaheddine Doumandji
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 41-57 | DOI: 10.11118/actaun201967010041
Study on Common Raven's diet is conducted in two regions in Algeria, region of Djelfa in the middle part of Algerian Highlands and region of Laghouat occupying a large part of Northern Algerian Sahara. Analysis of Corvus corax's regurgitation allowed us to count 2.726 individual-preys spread into 7 classes, 89 families, 26 orders and 232 preys-species. In term of F insects are the most ingested by Corvus corax. Rate of this class is of 81.1 % at level of El Guelta to reach 95.6 % in station of Sidi Mekhlouf. In term of biomass, Meriones shawii is the species the most profitable in weight in station of Sidi Mekhlouf (44.4 %), of...
Experimental Measurement of Heat of Biodegradable Waste
Michal Hammerschmiedt, Robert Rou�, Jan Mare�ek, Jakub John
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 59-64 | DOI: 10.11118/actaun201967010059
This paper describes the experimental heating power measurement of biodegradable waste (BW). The goal of this paper is to describe the experimental measuring device and to present the results used in the "V�voj technologick� linky pro zpracov�n� BRO pro p��m� energetick� vyu�it� Multiferm" project. The used measurement is based on controlled removal of heat energy produced by reacting batch material (BW) while maintaining optimal reaction temperature inside the material. These results helped to identify the processes inside the input batch material.Described experiment was sufficient to determine the produced heat power of the input material batch...
Evaluation of the Effect of Breed and Line on Slaughter Value and Quality of Lamb Meat
Tom� Jano�, Radek Filip��k, Martin Ho�ek, Eli�ka Dra�kov�, Vendula Kamanov�
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 65-73 | DOI: 10.11118/actaun201967010065
The aim of our experiment was to evaluate to what degree carcass value and quality of lamb meat are effected by selected breeds (Zwartbles, Suffolk, Romney Marsh) and lines (Zby�ek, Ztepl, Z�blesk, Ewebank Armani, President, Romeo, Avatar). Suffolk breed rams were found to have (p ≤ 0.05) the lowest weight at slaughter (37.47 ± 4.10 kg) and also carcass weight (15.23 ± 1.78 kg). Romney Marsh's carcasses had a significantly higher degree of fat cover (3.6 ± 0.4), kidney fat ratio was 0.78 ± 0.17 % and the percentage of fat from the right leg was 2.50 ± 0.61 %. The conclusively (p ≤ 0.01) highest ratio of the...
Influence of Digestate on Physical Properties of Soil in ZD Budi�ov
Stanislav Ja�a, Barbora Badal�kov�, Jan �ervinka
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 75-83 | DOI: 10.11118/actaun201967010075
One of the main objectives of crop establishment is adjustment of physical properties of soil, on which indicators of soil fertility as well as economic appreciation of the resulting yield depend. During 2014-2016 yield of corn and sorghum was observed in semi-operational experiments of ZD Budi�ov in relation to the quantity of the applied digestate and simultaneously, the following physical properties of soil were analysed: porosity, compaction and soil structure. After the application of digestate the porosity and minimal air capacity decreased, and reduced bulk density increased. Soil structure was affected negatively too. Overall, a trend of degradation...
The Effect of the Lactation Stage on Milk Yield, Composition and Renneting Parameters of Milk in Sheep Reared Under Intensive Nutrition
Leona Kone�n�, Jan Kucht�k, Mark�ta Sedl�kov�, Kv�toslava �ustov�, Radek Filip��k
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 85-89 | DOI: 10.11118/actaun201967010085
The aim of our experiment was to assess changes in milk yield, composition and renneting parameters (pH, titratable acidity, coagulation time and curd quality) of sheep milk in the course of lactation and their relationships in the Lacaune ewes (n = 8), reared under intensive nutrition. The stage of lactation (SL) had a conclusive effect on the daily milk yield (DMY) and contents of all basic milk compounds. The DMY and fat content were relatively high during whole lactation. In our opinion these trends were influenced by the quite intensive nutrition. The SL had inconclusive effect on pH. In contrast, the SL had a conclusive effect on titratable acidity...
The Utilization of Algae with the Aim to Increase the Fatty Acid Content in Muscle of Common Carp (Cyprinus carpio L.)
Radovan Kopp, Tom� Brabec, Jan Mare�, Eli�ka Mar��lkov�, Blahoslav Mar��lek
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 91-99 | DOI: 10.11118/actaun201967010091
The aim of this study was to evaluate the efficiency of feeds with the addition of various algae and cyanobacteria. Common carp (average body mass of 19.6 ± 3.49 g) were randomly divided into 4 groups and fed a commercial feed (control group), the same commercial feed with the addition of 10 % of dry green algae of the genus Chlorella (chlorella group), dry biomass of algae from waste water treatment (algae group), and lyophilized toxic cyanobacterial biomass of the genus Microcystis (microcystis group). After 29 days of the experiment, standard indices for the assessment of feed utilization, external characteristics, fish condition,...
Efficacy and Crop Safety of Soil Herbicides in the Fruit Nursery
Kl�ra Kyselov�, Jan N�m�stek, Lud�k La�ar, Martin M�sz�ros
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 101-110 | DOI: 10.11118/actaun201967010101
The research was conducted in the fruit nursery of the Research and Breeding Institute of Pomology (RBIP) Holovousy, Czech Republic in 2015, 2016 and 2017. The efficacy and potential phytotoxic effect of soil herbicides were assessed in spring-planted and summer-budded rootstocks M9, MA, Gisela 5 and St. Julien A in seven treatments with the following herbicides: linuron, metazachlor, metamitron, chlorotoluron, dimethenamid-P, pendimethalin, and combination of pendimethalin and dimethenamid-P in one product. The effects of the surfactant and simulated rainfall in combination with the pendimethalin + dimethenamid-P treatment were also assessed. Herbicides...
Evaluation of Mountain Pastures Quality Forming the Landscape Archetype in Western Carpathians
J�n Nov�k, Juraj Hre�ko, �ubo� Vadel
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 111-119 | DOI: 10.11118/actaun201967010111
The research of pastures influenced by Carpathian sheep milk farming as a typical archetype was conducted in study areas of the mountain even subalpine landscape in the forest zone of the Western Carpathians in the Slovak Republic. We have chosen 28 areas that have been effected by mountain sheep farming since the period of the Wallachian colonization. The research works were under way from 1998 to 2016. The pastures of observation were from 615 to 1 421 meters above sea level (m a.s.l.) in the areas of 1 398 ha in total that was of various exposition and inclination, from flat surface to steep hillsides with 28� slope. The studied pastures ranged...
Evaluation of Presence and Concentration of PPV in Rootstocks Derived from Prunus davidiana (Carr.) Franch
Petra Pavelkov�, Tom� Kiss, Tom� Ne�as
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 121-131 | DOI: 10.11118/actaun201967010121
Evaluation of the presence and concentration of PPV (Plum pox virus) in selected rootstocks was carried out in 2016-2017. For the purpose of the experiment we used rootstocks derived from crossbreeding of Prunus davidiana (Carr.) Franch, such as Cadaman and Barrier, and also a P. davidiana seedling. Peach seedling rootstock GF-305 was used as a control. The rootstocks were inoculated artificially with PPV strain M (Marcus). Both the rootstock and the inoculum were tested for presence of the virus by a serological method - semiquantitative DAS-ELISA test and molecular methods - RT-PCR, real-time RT-PCR and RT-LAMP. During the growing season...
Perception of Regional Identity - Case Study of River Basins of the Morava River (Slovakia, Czech Republic)
Dagmar Petr�kov�, Matej Ja��o
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 133-145 | DOI: 10.11118/actaun201967010133
New role of the European regions within the processes of cooperation and competition highlighted their need for unique, highly profiled and strategically managed regional identity. Regional identity is one of the most important assets of any region and might serve as invaluable competitive advantage. Regional identity, its sources, background and consequences for regional development are the main focus of this contribution. Need for unique, original and plausible profile of each region, aspiring to be successful in the process of regional competition has been confirmed to be utterly urgent. Struggling for competitive advantage of the particular region...
CMT Welding of Titanium and Stainless Steel Using CuSi3 Electrode
Nela Pol�kov�, Petr Dost�l
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 147-153 | DOI: 10.11118/actaun201967010147
The article deals with the possibility of a tight permanent joint of X5CrNi 18-10 austenitic steel and UNS N50400 titanium. The nuclear and chemical industries are in particular interested in solving this problem. The joining by means of fusion welding has come up against unreliability due to the formation of brittle intermetallic compounds between titanium and iron. The article deals with joining of these two heterogeneous materials by an innovative CMT welding method. CuSi3 soldering electrode was chosen as the additional material. Protective atmosphere consisting of clean argon has been chosen due to the undesirable gas absorption by titanium at...
Analysis of Reproduction Indicators of the Yellow-Billed Stork (Mycteria ibis)
Zuzana Re�kov�, Radek Filip��k, Ladislav M�chal, Roman Horsk�
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 155-161 | DOI: 10.11118/actaun201967010155
The aim of the study was to supplement the original knowledge about the reproduction of one of four species of storks (Mycteria). The storks are classified by IUCN as endangered species with different degrees of extinction and their reproduction in human care is difficult. Therefore, it is necessary to continuously supplement and deepen the knowledge of their reproduction in captivity. The subject of the thesis was the analysis of reproductive indicators of the yellow-billed ibis (Mycteria ibis). By analyzing partial reproduction indicators, we wanted to supplement the knowledge that is needed to ensure the necessary degree of reproduction...
Prevalence of Failure of Passive Transfer of Immunity in Dairy Calves in the Czech Republic
Stanislav Stan�k, Eli�ka Nejedl�, Petr Fleischer, Alena Pechov�, So�a �los�rkov�
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 163-172 | DOI: 10.11118/actaun201967010163
Prevalence of failure of passive transfer (FPT) of immunity remains relatively high worldwide. The aim of this study was to estimate the FPT prevalence in Czech dairy calves and to evaluate the selected factors - breed, herd size, sex of calves, single versus twin births and the influence of the season of birth. A total of 1,175 serum samples were taken from calves of Czech Fleckvieh and Holstein breed from 33 herds between October 2015 and October 2017. Serum IgG concentration was determined by reference method for IgG determination - radial immunodiffusion. Statistical evaluation was performed by Kruskal-Wallis test. The concentration of IgG ranged...
Effect of Heat Stress on Age in Conception of Holstein Heifers
Krist�na Tu�kov�, Radek Filip��k
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 173-177 | DOI: 10.11118/actaun201967010173
The aim of the study was to evaluate the effect of heat stress on conception of Holstein cattle heifers. The experiment was carried out at the Mendel University farm in �ab�ice. The data was collected between May 2017 and August 2017. 48 heifers of Holstein cattle weighing 400-450 kg and ages 16 to 18 months were included in the experiment. The results of our study showed that heifers at 17 months of age (88 %) and 18 months of age (100 %) conceived best in the temperature range of 15-19.9 �C. Heifers at the age of 16 months (100 %) conceived best in the temperature range of 10-14.9 �C, with a moderately lower success rate (71 %) in the temperature...
Probiotic Candidates Yeast Isolated from Dangke - Indonesian Traditional Fermented Buffalo Milk
Gemilang Lara Utama, Siska Meliana, Mohamad Djali, Tri Yuliana, Roostita L. Balia
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 179-187 | DOI: 10.11118/actaun201967010179
The aim of the study was to isolate and identify the yeast isolated from Dangke and its potential as probiotics. The purified isolates obtained were identified based on observations of macroscopic characteristics of colonies and microscopic cells. The ability as a probiotic yeast is obtained by testing the resistance towards acid conditions, bile salt resistance test and aggregation ability test against pathogenic bacteria using Salmonella sp. The yeast isolates were identified using the RapID Yeast Plus System. The isolation result was obtained D.10.3.d isolate that identified as Candida guilliermondii which showed probiotic characteristic....
Differences in Live Fish Marketing of Traditional Pond Aquaculture and Intensive Aquaculture in Czechia
Anton�n Vavre�ka, Petra Chaloupkov�, Luk� Kalous
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 189-196 | DOI: 10.11118/actaun201967010189
The seasonality of fish marketing is a very important character for aquaculture production. We analysed data regarding the situation at the Czech market in 2015 and 2016 available in the information system of the State Agricultural Intervention Fund. The most significant volumes of freshwater fish were traded by traditional pond aquaculture companies (TPA) and approx. 1/3 of the all-year production was sold at the end of the year (December). Another significant time when the supply of live fish from the TPA on the domestic market slightly increased was in March and then in April, i.e. before Easter, which represented approximately one fifth of all...
Utilization of Forest Resources and Socio-Economic Development in Uukolonkadhi Community Forest of Namibia
Pavla Vrabcov�, Andreas Nikodemus, Miroslav H�jek
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 197-206 | DOI: 10.11118/actaun201967010197
The project for community forest of Namibia has a mandate to ensure that rural communities manage and utilize forest resources sustainably in order to promote socio-economic development. Despite the absence of true forests from Namibia, which makes it difficult for timber industry to grow, there is still an abundance of non-timber forest products in Namibian forests. This research aimed at assessing the monetary value of non-timber forest products in Uukolonkadhi Community Forest. The research covered the period of five production years. The value of nine selected non-timber forest products was given in monetary terms. The results reveal that there...
Legal Regulation for Advance Pricing Agreements in the Czech Republic and Poland - a Comparative Case Study
Karel Brychta, Aleksandra Sulik-G�recka
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 209-224 | DOI: 10.11118/actaun201967010209
An appropriate transfer pricing policy and procedures help to reach a win-win situation between involved parties - taxpayers and tax administration authorities. The paper deals with one of the instruments that could help to reach such a desirable status - namely with the Advance Pricing Agreement (hereinafter referred to as "APA" only). The aim of the paper is to identify fundamental rules as stated for the APAs in the standards of the OECD and subsequently describe, assess and compare general rules for the APAs in the Czech and Polish domestic law.The research realized is based on a qualitative research; a case study was selected for its realization....
Research and Development Indicators of EU28 Countries from Viewpoint of Super-efficiency DEA Analysis
Be�ta Gavurov�, Martina Hal�skov�, Samuel Kor�ny
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 225-242 | DOI: 10.11118/actaun201967010225
Research and development are important sources of economic growth and social welfare and play a key role in creating new knowledge, products and technological processes. In our paper we focused on the analysis and evaluation of research and innovation potential in the European Union countries in 2010 and 2015 using Data Envelopment Analysis. For the evaluation, seven indicators were selected, as starting point for the evaluation of research activities and the measurement of the innovation performance and of competitiveness of the individual countries. Input capital indicators were - R&D expenditure in the higher education sector and in the business...
Where Do You Want to Go Skiing? The Effect of the Reference Point and Loss Aversion
Zuzana Gocmanov�, Jarom�r Skorkovsk�, �t�p�n Vesel�, Jan B�hm
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 243-252 | DOI: 10.11118/actaun201967010243
We reported the results from a simple experiment where participants (n = 646) picked their preferred winter holiday from three possible alternatives. To make the experiment as realistic as possible, the alternatives among which participants could choose, were very similar to actual winter holidays offered by an existing travel agency. Our results are consistent with predictions made by prospect theory: alternatives that compare favorably to a reference option are chosen more often than alternatives that compare unfavorably to a reference option. The reference option, experimentally manipulated in this paper, was one of the three alternatives...
Asymptotic Comparison of Parameters Estimates of Two-parameter Weibull Distribution
Tereza Kone�n�, Zuzana H�bnerov�
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 253-263 | DOI: 10.11118/actaun201967010253
The Weibull distribution is frequently applied in various fields, ranging from economy, business, biology, to engineering. This paper aims at estimating the parameters of two-parameter Weibull distribution are determined. For this purpose, the method of quantiles (three different choices of quantiles) and Weibull probability plot method is utilized. The asymptotic covariance matrix of the parameter estimates is derived for both methods. For optimal random choices of quantiles, the variance, covariance and generalized variance is computed.The main contribution of this study is the introduction of the best choice of percentiles for the method of...
The Role of Emotional Intelligence in Direct Leadership in the Army of the Czech Republic
Eva Koz�kov�, Radom�r Saliger
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 265-273 | DOI: 10.11118/actaun201967010265
The purpose of this paper was identifying the level of emotional intelligence of future leaders in the level of direct leadership in the Army of the Czech Republic. The concept of emotional intelligence could be characterized as a file of social abilities, attributes and qualities, which are necessary for function of each individual in society, social interactions and during communication with others. Emotional intelligence is connected with required social competences of military leaders. In the research part was used method of quantitative research by using the standardized questionnaire research technique. This is a self-assessing test of emotional...
Determination of N-year Design Precipitation in the Czech Republic by Annual Maximum Series Method
Silvie Kozlovsk�, Jakub ��cha, Franti�ek Toman
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 275-286 | DOI: 10.11118/actaun201967010275
The sum of design precipitation of a selected repetition period, provided that it is evenly distributed over the river basin area, is a basic input for the calculation of the direct outflow volume by the curve number method. It is necessary to determine the design precipitation for each location using the statistical methods and the longest available data series on daily precipitation sums, or more specifically their annual maximums. This paper deals with the determination of design precipitation from data of eight stations of the Czech Hydrometeorological Institute for the period 1961-2013. From a series of annual maximum values of daily precipitation...
The Relationship Between Financial Development and Innovation: Empirical Evidence from Selected Asian Countries
Tuan Doanh Le, Duong Phuong Thao Pham, Tuan Bach Le
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 287-298 | DOI: 10.11118/actaun201967010287
This study extends research on the relationship between financial development (FD) and innovation by dividing FD into bank-based FD and stock-market-based FD and investigating their effects on innovation. The number of patent applications is used as a proxy for innovative activities, and the financial development of a country is measured by the development of the banking sector and the stock market. The study employs the two-step Generalized Method of Moments (GMM) to test the relationship using a panel data set in 25 various Asian countries in the period from 2000 to 2015. The development of the banking sector and the stock market increase the number...
The Relationship Between Financial Ratios and the Stock Prices of Selected European Food Companies Listed on Stock Exchanges
Marie Ligock�, Daniel Stav�rek
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 299-307 | DOI: 10.11118/actaun201967010299
Stock prices can be influenced by many factors. It is possible to determine two categories of variables that can affect stock prices: macroeconomic and microeconomic variables. The paper is focused on microeconomic factors, specially financial ratios that reflect business activities of the companies. According to the study of Drummen and Zimmermann (1992) the individual characteristics of companies affect up to 50 % of stock prices. The object of this paper is to examine the relationship between selected financial ratios and the stock prices of food companies listed on selected European Stock Exchanges. Time series on annual frequency are used to examine...
Small-Scale Apple Farmers' Willingness to Invest - the Case of Kor�a Region Farmers in Albania
Myslym Osmani, Arben Kambo
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 309-323 | DOI: 10.11118/actaun201967010309
In this study we aim at assessing the willingness to invest of small-apple farms in Kor�a region-Albania. Furthermore, we want to identify and assess what are major determinants, as percept by farmers', willingness to invest. To this purpose we used data collected through face-to-face interviews with apple farmers. We used descriptive statistics, as well as classical and multinomial logistic regression. Most of farmers are willing to invest in view of their positive expectations for investment climate. Other important factors of willingness to invest are access to loans, advisory extension services, market competition, willingness to cooperate and...
Globalisation and Food Sovereignty: Impact of Foreign Direct Investments and Government Expenditure in Ghana in 2001-2010
Martin P�ral, Petr Bl��kovsk�
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 325-331 | DOI: 10.11118/actaun201967010325
The article looks at the globalisation effects on food availability in Ghana. The aim of the article is to analyse which of the selected macroeconomic indicators have a statistically significant impact on the increase of food availability in the country. Impacts of foreign direct investments on agriculture and government expenditures in agriculture have been tested. Correlation analyses and multiple regression analyses have been used to analyse the test results.Findings suggest that change in both foreign direct investments in agriculture and government expenditures in agriculture cause significant change in food availability in Ghana. At the same...
The Performance of Grape Production in the Czech Republic
Nahanga Verter, Lea Has�kov�
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 333-342 | DOI: 10.11118/actaun201967010333
Grape is a major agrarian input for winemaking in the Czech Republic (Czechia). This contribution assesses the performance of grape production in Czechia. The country's performance is compared with Slovakia and some major producing countries in the world. Using the OLS approach, the results show that area harvested, yields, farm gate price and wine export have a positive relationship with grape production in Czechia. The descriptive approach shows Czechia as a net importer of wine. Also, grape yields in Czechia and Slovakia have been below the EU and global averages. These two countries' wine exports have been concentrated in few markets within the...
Milk Protein Analysis: an Overview of the Methods - Development and Application
Robert Kala, Eva Samkov�, Oto Hanu�, Lenka Pecov�, K�stutis Sekmokas, Dalia Riaukienė
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 345-359 | DOI: 10.11118/actaun201967010345
Milk protein content is an important component of milk, especially from a nutritional point of view and also for payment purposes. The aim of work was to draw up an overview on reference and routine methods for protein determination. Reference methods perform accurate analyses comply according to the International Standard ISO whereas routine methods perform analyses using routine instrumental techniques for faster and cheaper results with acceptable accuracy and a large number of processed samples. In most of cases, using of routine indirect methods for milk protein analysis requires their specific calibrations according to biological kind of measured...
A Review of Propagation Techniques and Isothiocyanates Content in Wasabi (Wasabia japonica Matsum.)
V�ra Kofr�nkov�, Martin Koudela
Acta Univ. Agric. Silvic. Mendelianae Brun. 2019, 67(1), 361-366 | DOI: 10.11118/actaun201967010361
Japanese horseradish (Wasabia japonica Matsumura) is a perennial plant originated from Japan, but is currently grown in many other countries across the world. Wasabi contains important substances isothiocyanates (ITCs) which have potential positive influence on human health. Wasabi extract is also eventual a plant protection product. Therefore, using these positive features and obtaining an effective multiplication of this crop is an important element. This work focuses on methods of Wasabi propagation especially with the use of in vitro culture and the possible influence of the content of ITCs-allyl isothiocyanate (AITC) on important substances...