Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2009 (vol. 57), issue 1

Analýza vztahu mezi mléčnými složkami a reprodukcí u krav prvotelek českého strakatého skotu

Analyse of the relationship between milk components and reproduction in the Czech Fleckvieh first-calf cows

Jiří Bezdíček, Oto Hanuš, Marek Bjelka, Aleš Dufek, Radoslava Jedelská, Jaroslav Kopecký

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 13-26 | DOI: 10.11118/actaun200957010013  

The aim of our study was to evaluate the relationship between reproduction and milk traits in cows of the Czech Fleckvieh. In the period of 90-180 days after calving milk of each dairy cow was analysed for constituent milk components and milk features (40 analyses in total for each sample). The database contained data concerning to the origin and reproduction traits (service period, services per conception and interval between calving and first insemination) for every single cow.When the calculated correlations were evaluated the milk yield reached significant (* p < 0.05) to very significant (**p < 0.01) negative correlation to content of...

Parazitocenózy v produkčních chovech hlodavců v České republice

Parasitocenoses in productional rodent breeds in Czech Republic

Marie Borkovcová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 27-34 | DOI: 10.11118/actaun200957010027  

Aim of this work was to monitor the occurrence of most common parasites of rodents in 13 commercial and hobby breeds. Most often detected protozoans belonged to genera Giardia, Eimeria and Cryptosporidium, tapeworms Hymenolepis nana and H. diminuta, nematods Syphacia obvelata and Aspiculuris tetraptera and mites Ornithonyssus bacoti, Laelaps hilaris and Notoedres muris. Diseases broke out mainly during summer months. In animals with clinical signs of illnesses there was an expectation of parasite presence, and most of them were nematods - 80%, tapeworms - 45.2%, protozoans - 41.1%...

HODNOCENÍ ZÁJMŮ OCHRANY PŘÍRODY A FUNKCÍ LESŮ NA PŘÍKLADU CHRÁNĚNÉ KRAJINNÉ OBLASTI ČESKÝ LES

The evaluation of nature conservation and forest functions interests on the example of the Český les protected landscape area

Jitka Fialová, Ilja Vyskot, Jiří Schneider

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 35-40 | DOI: 10.11118/actaun200957010035  

The aim of the work was to interconnect known aspects of nature conservation, which are projected in the zonation, with the quantification of forests and find out, if the interests of nature protection are in the conjuction with the high functional effectivenes of forests. For the quantification of forest functions the metod by Vyskot et al. (2003) was used. The results of quantification demonstrate that the existing zonation is one-sided and that the zonation does not fully respect the interest of nature conservation and forest function in common. According to the conflicts the new PLA Český les zonation by the disertation's method was created. The...

Vliv poměru míchání UF lepidla a UF lepidla se zvýšenou reaktivitou na mechanické vlastnosti, obsah formaldehydu a produktivitu výroby třískových desek

Effects of the ratio of mixing the UF adhesive and the UF adhesive with increased reactivity on mechanical properties and the content of formaldehyde

Jaroslav Hrázský, Pavel Král

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 41-50 | DOI: 10.11118/actaun200957010041  

The paper includes results of research work dealing with the study of the effect of mixing the traditional urea-formaldehyde adhesive Kronores CB 1100 D and the urea-formaldehyde adhesive Kronores CB 1200 D characterised by increased reactivity for selected physical and mechanical properties of particleboards, the content of free formaldehyde and productivity of the production line of particleboards. Within the research, other potential factors affecting properties of particleboards were also studied. Present adhesive prescriptions (1) and five experimental prescriptions were evaluated. In conclusion, optimum prescriptions were determined fulfilling...

Využití lesních produktů domorodými obyvateli lesů v národním parku Salonga

Use of forest products by the local people of the Salonga National Park in the Congo

Jose Mbenga Ibesoa

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 51-60 | DOI: 10.11118/actaun200957010051  

This article attempted to define a compromise making it possible the satisfaction of the material needs of the populations living within the National park of Salonga while ensuring the conservation of long-term forest resources. The management of the forests requires deepened knowledge of the resources and the participation of the local communities, which are the better, informed on of the forest resources. The implementing of a policy on sustainable forest management would be possible by a better integration and participation of the local populations. A survey was carried out in four villages of the National park of Salonga. The results of the investigation...

RECIPROČNÍ DEFORMACE SOUBORŮ POLYURETANOVÝCH PĚN V KONSTRUKCI ČALOUNĚNÉHO NÁBYTKU

Reciprocal deformation of polyurethane foam sets in the construction of upholstered furniture

Věra Jančová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 61-70 | DOI: 10.11118/actaun200957010061  

The quality of upholstered furniture is currently evaluated through a set of attributes that reflect the "comfort" of the product. Measurable features are evaluated using the test methods, which include an assessment of the product as a whole or only of the individual materials. Methodology to assess materials in the construction of material compositions has not yet been processed before. This work deals with the issue of a evaluation of the material sets of polyurethane foams and their mutual influence. New methodology has been proposed for evaluating mutual deformation of foams sets that has been named "reciprocal deformation of foam sets" in this...

3D vizualizace a tvorba konečně prvkové sítě z anatomických vzorků dřeva, Část I - Teoretický přístup

3D visualization and finite element mesh formation from wood anatomy samples, Part I - Theoretical approach

Petr Koňas, Vladimír Gryc, Hanuš Vavrčík

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 71-78 | DOI: 10.11118/actaun200957010071  

The work summarizes created algorithms for formation of finite element (FE) mesh which is derived from bitmap pattern. Process of registration, segmentation and meshing is described in detail. C++ library of STL from Insight Toolkit (ITK) Project together with Visualization Toolkit (VTK) were used for base processing of images. Several methods for appropriate mesh output are discussed. Multiplatform application WOOD3D for the task under GNU GPL license was assembled. Several methods of segmentation and mainly different ways of contouring were included. Tetrahedral and rectilinear types of mesh were programmed. Improving of mesh quality in some simple...

3D vizualizace a tvorba konečně prvkové sítě z anatomických vzorků dřeva, Část II - Algoritmický přístup

3D visualization and finite element mesh formation from wood anatomy samples, Part II - Algorithm approach

Petr Koňas

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 79-88 | DOI: 10.11118/actaun200957010079  

Paper presents new original application WOOD3D in form of program code assembling. The work extends the previous article "Part I - Theoretical approach" in detail description of implemented C++ classes of utilized projects Visualization Toolkit (VTK), Insight Toolkit (ITK) and MIMX. Code is written in CMake style and it is available as multiplatform application. Currently GNU Linux (32/64b) and MS Windows (32/64b) platforms were released. Article discusses various filter classes for image filtering. Mainly Otsu and Binary threshold filters are classified for anatomy wood samples thresholding. Registration of images series is emphasized for difference...

Teplota jako základní faktor pro fenofáze druhu Ziziphus jujuba Mill.

Temperature as the basic factor influencing phenological stages in Ziziphus jujuba Mill.

Saket Mishra, Boris Krška

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 89-96 | DOI: 10.11118/actaun200957010089  

The present study to find a suitable base temperature for different phenological stages in Ziziphus jujuba Mill". The data from the automatic meteorological station AMET located inside the orchard were used for the analyses. Since 2006, the automatic station has provided data on the atmosphere condition on a regular quarter-hour basis. The analysis was conducted on the basis of two years observations (2006-2007). To find out the suitable base temperature for phenology in jujube, we used the sum of active hourly temperatures (hour stages). Evaluations were carried out for each year, 2006 and 2007. In accordance with published data, the base temperatures...

VYUŽITÍ METODY WESTERN BLOT PRO DETEKCI PROTEINŮ SOUVISEJÍCÍCH S APOPTÓZOU NEUTROFILŮ

Application of Western Blot for detection of neutrophil apoptosis-related proteins

Petr Sláma

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 97-104 | DOI: 10.11118/actaun200957010097  

The aim of this study was to evaluate suitability of using Western Blot for detection of neutrophil apoptosis and neutrophil apoptosis-related proteins, respectively. Neutrophils were isolated from blood of healthy adult donors and incubated with G-CSF (granulocyte colony stimulating factor), GM-CSF (granulocyte-macrophage colony stimulating factor), ATP (adenosine triphosphate) and FMLP (N-formyl-methionyl-leucyl-phenylalanine). The neutrophils were incubated 4, 8 and 20 hours at 37 °C. In this assay, an expression of Mcl-1 (myeloid cell leukemia 1), XIAP (X-linked inhibitor of apoptosis) and gelsolin was analysed by Western Blot method. The results...

POSOUZENÍ STABILITY REVITALIZOVANÉHO KORYTA TOKU

Evaluation of stream stability after revitalization

Jana Synková

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 105-114 | DOI: 10.11118/actaun200957010105  

The aim of presented project is to execute an analysis and evaluation of stream-bed conditions for streams after revitalisation measures. Revitalisation of stream T12 in Orlické Záhoří has been comprehensive, included changes of stream line and longitudinal and transversal profile. The evaluation was so provided in two absolutely different stream-beds.The evaluation was focused on stream-bed ground and slopes stability, which were established on the base of tangential stress, scouring and nonscouring velocity and of mean velocity in vertical calculation. Then the individual methods of calculation were compared and the results were faced with actual...

VÝSKYT A ROZŠÍŘENÍ Botrytis convoluta VE SBÍRCE KOSATCŮ Iris × barbata A MOŽNOSTI OCHRANY

Incidence and distribution of Botrytis convoluta in a collection of Iris × barbata irises and options of control

Ivana Šafránková

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 115-120 | DOI: 10.11118/actaun200957010115  

In the years 2005-2007 in a collection of Iris × barbata irises in the Botanical Garden and Arboretum of MZLU in Brno a disease spread appearing in symptoms of poor budding and growth of the irises, or rotting and dying off of the rhizomes. As the causal agent we identified the fungus Botrytis convoluta. In the present study we describe the isolated pathogen. The disease appears in a number of species of the genus Iris and has been reported in the USA, Europe, Israel and Japan. Over a period of three years we evaluated the frequency of incidence of the pathogen in 527 iris cultivars and its distribution on five plots. While in...

VLIV ÚČINNÉ LÁTKY FUNGICIDU (IN VITRO) NA RŮST MYCELIA, KLÍČENÍ KONIDIÍ A SKLEROCIÍ HOUBY Botrytis convoluta

The effect of the active substance of the fungicide (in vitro) on mycelium growth, germination of conidia and sclerotia of B. convoluta

Ivana Šafránková

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 121-128 | DOI: 10.11118/actaun200957010121  

In the years 2005-2007 in a collection of 527 cultivars of tall large-flowered irises (Iris × barbata group Elatior) in the Botanical Garden and Arboretum of MZLU in Brno the fungus Botrytis convolute infested the plants. Within three years, as a consequence of the infestation, some cultivars showed symptoms of poor growth, in isolated cases the plants died. Control of irises against this pathogen has not yet been satisfactorily solved. At the present time no fungicides against B. convolute have been registered, only fungicides protecting ornamental plants against Botrytis cinerea. We explored the effect of seven...

SPORTOVNÍ VÝKONNOST ČESKÉHO TEPLOKREVNÍKA NA ZÁKLADĚ VÝSLEDKŮ V CHOVATELSKÝCH SOUTĚŽÍCH

Sport's performance of Czech warmblood horse on the base of results in the breeding competitions

Lenka Šarovská, Lucie Walterová, Sylvie Krčová, Iva Jiskrová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 129-136 | DOI: 10.11118/actaun200957010129  

The objective of the present study was to evaluate the sporting efficiency of the Czech warm-blooded horse on the basis of their results in breeding competitions. These competitions, so-called Criteria of Young Horses, are part of the testing of young horses. In this work we focused only on the Criteria of Young Horses in jumping competitions. These competitions are advertised only for 4 to 6-year-old stallions and mares. The competitions are state-subsidised and are based on the valid programme of subsidies for the Czech Republic. The horses get three marks: for the jump, dexterity and readiness of the horse. The authorised examiner gives the marks....

MODELOVÁNÍ OHYBOVÉHO NAMÁHÁNÍ DEMONTOVATELNÝCH NÁBYTKOVÝCH SPOJŮ METODOU KONEČNÝCH PRVKŮ

Bending stress modeling of dismountable furniture joints applied with a use of finite element method

Milan Šimek, Petr Koňas

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 137-146 | DOI: 10.11118/actaun200957010137  

Presented work focuses on bending moment stress modeling of dismountable furniture joints with a use of Finite Element Method. The joints are created from Minifix and Rondorfix cams combined with non-glued wooden dowels. Laminated particleboard 18 mm of thickness is used as a connected material. The connectors were chosen such as the most applied kind in furniture industry for the case furniture. All gained results were reciprocally compared to each other and also in comparison to experimental testing by the mean of stiffness. The non-linear numerical model of chosen joints was successfully created using the software Ansys Workbench. The detailed analysis...

ZMĚNY TUKU V PRŮBĚHU FRITOVÁNÍ A VÝSLEDNÁ KVALITA JEMNÉHO PEČIVA

Change of fat during friting and final qualities of soft cakes

Viera Šottníková, Klára Borutová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 147-152 | DOI: 10.11118/actaun200957010147  

The purpose of this attemt was to evaluate the influence of deep-frying fat on the quality of frying pastry and observe chemical changes of frying fat during frying.The samples of frying pastry were provided by factory Penam s. r. o., Rosice. Four sorts of soft-centered friedcakes and not soft-centered friedcakes were evaluated. The samples of hydrogenated fat were taken twice always at the beginning and at the end of the frying. This lasted 7 days. Chemical analyse and qunatification fatty acid by using gass chromatography were took by these samples. The sensor evaluation was made by ten expert evaluators. Evaluators focused on following deskriptors:...

Rozšíření a biologie jestřába lesního (Accipiter gentilis L.) v Chřibech

Distribution and biology of goshawk (Accipiter gentilis L.) in the Chřiby Upland, the Czech Republic

Martin Tomešek, Petr Čermák

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 153-164 | DOI: 10.11118/actaun200957010153  

In 2002-2006, mapping the goshawk (Accipiter gentilis L.) population was carried out at the SE edge of the Chřiby Upland, the Czech Republic. At the same time, the food spectrum of the predator was determined in detail in 2004. The studied area amounted to about 30 km². In the area, 5 nest localities occurred. Each year five occupied nests were observed. The food spectrum was analysed according to leftovers of food in nests and in the vicinity of the nests. In total, 387 leftovers of food were found. Birds represented 52%, mammals 42% and other animals (insect, reptiles etc.) 6% of prey. The population of goshawk was monitored from...

Porovnání bachorové degradovatelnosti škrobu kukuřičného zrna a kukuřičných siláží in vitro metodou

Comparison of ruminal degradability of starch of maize grain and maize silages by in vitro method

Olga Tománková, Petr Homolka

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 165-170 | DOI: 10.11118/actaun200957010165  

The objective of this experiment was to determine the ruminal degradability of starch using the in vitro method. Maize silages from whole plants (MS), maize cob silage prepared by ensiling of the cobs with bracts (MCS), and maize grain silages (MGS) were compared with maize grain (MG). The tested feeds differed in total starch contents. Averaged starch contents with standard deviation values were 343.3 ± 18.7 g/kg for MS; 522.0 ± 8.9 g/kg for MCS; 727.9 ± 16.9 g/kg for MGS; and 682.8 ± 22.6 g/kg dry matter for MG. The in vitro ruminal degradability of starch was determined by the feed incubation period - for...

VLIV PŘÍDAVKU ESENCIÁLNÍ OLEJŮ BYLIN S OBSAHEM ANETHOLU NA STRAVITELNOST ŽIVIN U PRASAT

The effect of anethole containing essentials oils on nutrients digestibility of pigs

Ladislav Zeman, Petr Mareš, Michal Večerek

Acta Univ. Agric. Silvic. Mendelianae Brun. 2009, 57(1), 171-180 | DOI: 10.11118/actaun200957010171  

The plant additives and their functional components can selectively influence the intestinal microorganism growth in positive or negative direction. If the growth promotion relates with positive microorganisms and growth elimination is connected with pathogens the results is nutrients utilization improvement, stimulation of immunologic system or positive influence of intermedial metabolism. Anethole is one of these important plant metabolites. There are described following positive effects of anethole in human medicine: vasorelaxant, antithrombotic, releasing of heart function, fytoestrogenic (it mean improving of milk secretion, menstruation, promotion...