An Overview of Recent Ground Squirrel Bait Registration Research Supported By the California Bait Surcharge Program

The California Department of Food and Agriculture Rodent Bait Surcharge Program is actively funding studies to develop and register safe, effective and practical ground squirrel baits. Under this program, Genesis Laboratories has conducted eight studies since 1994 designed to fulfill registration requirements for existing baits and to develop new baits. Areas of research include field efficacy, application methods and rates, non-target hazards, and residue loads in animal and plant tissues. Existing diphacinone and chlorophacinone treated oat groat baits have proven to be effective in controlling the California ground squirrel. Applications of these baits to alfalfa crops did not result in quantifiable residue loads. Preliminary studies found bromethalin treated oats may be effective against the California ground squirrel. Chlorophacinone treated cabbage bait was not effective against Belding\u27s ground squirrel

Preparation of zirconium from zirconium tetrafluoride

Increased interest in zirconium as a material of construction has resulted in numerous attempts to develop more economical processes for its production. Currently the Kroll Process, which reduces zirconium tetrachloride with magnesium, is used. A process developed at the Ames Laboratory of the Atomic Energy Commission involves the bomb reduction of zirconium tetrafluoride with calcium. By substituting magnesium for calcium, the cost of producing zirconium by this process might be considerably reduced

Teaching Management at Technical Universities Business Reality in the Academic Environment

Students of technical universities often do not understand why their studies should include learning management skills (in addition to the study of economics). However, not only the experience of graduates but also the requirements of their future employers show that education in the field of the management should provide training, skills and practical testing. It is only a matter of time before graduates of technical university take up leading positions or become part of a team working on some complicated technical problem. A classical technical education is no longer sufficient and, aboveall, it is employees with knowledge of economics and with managerial skills, specifically soft skills that come to the fore. It is evident from ample experience that people’s individual dispositions play a role in learning soft skills, but many of these skills can also be acquired by progressive training. The question is which form of teaching to choose to enable necessary skills to be learned, without at the same discouraging students by offering them potentially unattractive courses. These are the issues that will be treated in this paper

Modification of carbon felt detector with copper microparticles

Prvním cílem této práce bylo připravení mědí modifikované elektrody z uhlíkové plsti tak, aby jí bylo možné detekovat aminokyseliny, které jsou na běžných elektrodách elektrochemicky neaktivní. Jako modelový vzorek sloužil roztok fenylalaninu o koncentraci 1,0 mmol dm-3 . Elektroda modifikovaná pomocí elektrochemického nanášení mědi ze směsného roztoku síranu měďnatého a síranu sodného poskytovala velmi nízké odezvy, které v průběhu prvních měření klesly, zřejmě kvůli nedostatečnému množství nanesené mědi. Proto byly další experimenty prováděny s použitím mikročástic mědi jako modifikátoru. Mikročástice aktivované pomocí kyseliny dusičné o koncentraci 80 mmol dm-3 byly nanášeny na plst pomocí míchání plsti v suspenzi mikročástic mědi a kapáním této suspenze na různé strany plsti - na stranu u kapiláry (proximální), u kontaktu s měrnou nádobkou (distální) a mezi dvě poloviny uhlíkové plsti (sandwichové). Jako nejvhodnější se z hlediska stability a velikosti signálu jevily elektrody modifikované v distálním a sandwichovém uspořádání. V poslední fázi byla proto na těchto elektrodách změřena kalibrační závislost pro fenylalanin v rozsahu 0,025 mmol dm-3 až 1,0 mmol dm-3 . Pro ověření funkčnosti a použitelnosti elektrod byl pro analýzu reálného vzorku využit doplněk stravy s obsahem lysinu, kdy...The first aim of this work was to develop copper modified carbon felt electrode for detection of amino acids, which are not electrochemically active on ordinary carbon electrodes. Phenylalanine solution at a concentration 1.0 mmol dm-3 was chosen as the testing solution. Electrode modified with electrochemical deposition of copper from mixture of copper(II) sulphate and sodium sulphate provided very low responses which were decreasing during first measurements, apparently because of insufficient amount of copper. Therefore, further experiments were performed using copper microparticles as a modifier. Copper microparticles activated in nitric acid at a concentration 80 mmol dm-3 were applied at carbon felt by several techniques and in different parts of the felt, i.e. by stirring the felt in microparticles suspension, by dripping of the suspension to the part of the felt in contact with capillary (proximal), between two parts of the carbon felt (sandwich) and at a part of the carbon felt in contact with electrolyte in a measuring cell (distal). Electrodes modified in the distal and in the sandwich arrangement were chosen as the best ones. In the last part, calibration dependences for phenylalanine in concentration range from 0.025 mmol dm-3 to 1.0 mmol dm-3 were measured on the last two electrodes....Katedra analytické chemieDepartment of Analytical ChemistryFaculty of SciencePřírodovědecká fakult

Teaching Management at Technical Universities, Business Reality in the Academic Environment

Students of technical universities often do not understand why their studies should include learning management skills (in addition to the study of economics). However, not only the experience of graduates but also the requirements of their future employers show that education in the field of the management should provide training, skills and practical testing. It is only a matter of time before graduates of technical university take up leading positions or become part of a team working on some complicated technical problem. A classical technical education is no longer sufficient and, aboveall, it is employees with knowledge of economics and with managerial skills, specifically soft skills that come to the fore. It is evident from ample experience that people’s individual dispositions play a role in learning soft skills, but many of these skills can also be acquired by progressive training. The question is which form of teaching to choose to enable necessary skills to be learned, without at the same discouraging students by offering them potentially unattractive courses. These are the issues that will be treated in this paper

Exposure of feral swine (Sus scrofa) in the United States to selected pathogens

Les porcs sauvages (Sus scrofa) sont largement distribués aux États-Unis. En 2011 et 2012, aux États-Unis des échantillons de sérum et d’amygdales furent obtenus de 162 et 37 porcs sauvages, respectivement, afin d’évaluer l’exposition à d’importants agents pathogènes porcins endémiques. Des anticorps contre le virus du syndrome reproducteur et respiratoire porcin (VSRRP) et le circovirus porcin de type 2 (CVP2) furent détectés chez 2,5 % et 25,3 % des sérums testés, respectivement. Des réactions sérologiques positives envers Mycoplasma hyopneumoniae et Actinobacillus pleuropneumoniae ont été détectées chez 19,7 % et 69,7 % des animaux. Plus de 15 % des animaux avaient des anticorps contre ces deux agents pathogènes simultanément. La plupart des animaux étaient également séropositifs pour Lawsonia intracellularis. Les porcs sauvages peuvent également être impliqués dans la transmission d’agents zoonotiques. Près de 50 % des animaux avaient des anticorps contre Salmonella. De plus, 94,4 % des animaux étaient porteurs de Streptococcus suis dans leurs amygdales. En conclusion, les porcs sauvages peuvent être considérés comme des réservoirs potentiels de différentes maladies endémiques des porcs domestiques, aussi bien que d’agents zoonotiques importants.Feral swine (Sus scrofa) are widely distributed in the United States. In 2011 and 2012, serum samples and tonsils were recovered from 162 and 37 feral swine, respectively, in the US to evaluate exposure to important swine endemic pathogens. Antibodies against porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2 (PCV2) were found in 2.5% and 25.3% of tested sera, respectively. Positive serological reactions against Mycoplasma hyopneumoniae and Actinobacillus pleuropneumoniae have been detected in 19.7% and 69.7% of animals. More than 15% of animals presented antibodies against these 2 pathogens simultaneously. Most animals were also seropositive for Lawsonia intracellularis. Feral swine can also be involved in transmission of zoonotic agents. Almost 50% of animals possessed antibodies against Salmonella. In addition, 94.4% of animals were carriers of Streptococcus suis in their tonsils. In conclusion, feral swine may be considered as a potential reservoir for different endemic diseases in domestic pigs, as well as for important zoonotic agents

Exposure of feral swine (\u3ci\u3eSus scrofa\u3c/i\u3e) in the United States to selected pathogens

Feral swine (Sus scrofa) are widely distributed in the United States. In 2011 and 2012, serum samples and tonsils were recovered from 162 and 37 feral swine, respectively, in the US to evaluate exposure to important swine endemic pathogens. Antibodies against porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2 (PCV2) were found in 2.5% and 25.3% of tested sera, respectively. Positive serological reactions against Mycoplasma hyopneumoniae and Actinobacillus pleuropneumoniae have been detected in 19.7% and 69.7% of animals. More than 15% of animals presented antibodies against these 2 pathogens simultaneously. Most animals were also seropositive for Lawsonia intracellularis. Feral swine can also be involved in transmission of zoonotic agents. Almost 50% of animals possessed antibodies against Salmonella. In addition, 94.4% of animals were carriers of Streptococcus suis in their tonsils. In conclusion, feral swine may be considered as a potential reservoir for different endemic diseases in domestic pigs, as well as for important zoonotic agents. Les porcs sauvages (Sus scrofa) sont largement distribués aux États-Unis. En 2011 et 2012, aux États-Unis des échantillons de sérum et d’amygdales furent obtenus de 162 et 37 porcs sauvages, respectivement, afin d’évaluer l’exposition à d’importants agents pathogènes porcins endémiques. Des anticorps contre le virus du syndrome reproducteur et respiratoire porcin (VSRRP) et le circovirus porcin de type 2 (CVP2) furent détectés chez 2,5 % et 25,3 % des sérums testés, respectivement. Des réactions sérologiques positives envers Mycoplasma hyopneumoniae et Actinobacillus pleuropneumoniae ont été détectées chez 19,7 % et 69,7 % des animaux. Plus de 15 % des animaux avaient des anticorps contre ces deux agents pathogènes simultanément. La plupart des animaux étaient également séropositifs pour Lawsonia intracellularis. Les porcs sauvages peuvent également être impliqués dans la transmission d’agents zoonotiques. Près de 50 % des animaux avaient des anticorps contre Salmonella. De plus, 94,4 % des animaux étaient porteurs de Streptococcus suis dans leurs amygdales. En conclusion, les porcs sauvages peuvent être considérés comme des réservoirs potentiels de différentes maladies endémiques des porcs domestiques, aussi bien que d’agents zoonotiques importants