Brucellosis is a bacterial disease caused by brucella; mainly spread by direct contact transmission through the brucella carriers, or indirect contact transmission by the environment containing large quantities of bacteria discharged by the infected individuals. At the beginning of 21st century, the epidemic among dairy cows in Zhejiang province, began to come back and has become a localized pr...

Corporate Social Responsibility (CSR) activities have been revealed as an emerging managerial tool and research field. The socioeconomic impact of the COVID-19 pandemic has prompted several companies to take on CSR initiatives. objective this study was investigate initiatives implemented in specializing pharmaceutical biomedical products well medical equipment, prior during pandemic. A cross-se...

Environmental context Knowledge of the fate selenium in estuaries receiving inputs from coal-fired power stations is essential as these environments are important nursery habitats for marine life and has been shown to cause fish bird mortality sublethal effects including oedema, chromosomal aberrations reproductive success. Understanding cycling allows risk assessment be undertaken appropriate ...

Instrumental variable models for discrete outcomes are set, not point, identifying. The paper characterises identi…ed sets of structural functions when endogenous variables are discrete. Identi…ed sets are unions of large numbers of convex sets and may not be convex nor even connected. Each of the component sets is a projection of a convex set that resides in a much higher dimensional space ont...

Pechová A. , L. Pavlata , J . I l lek: Blood and Tissue Selenium Determination by Hydride Generation Atomic Absorption Spectrophotometry. Acta Vet. Brno 2005, 74: 483-490. The aim of the study was to optimize the method of blood and tissue selenium determination in ruminants, and to implement it in research and diagnostic practice. A method was developed for selenium determination by hydride ge...

WP rnnrlurted fnraging ob,ervations, food habits studie~, and producer aurveys to determine the foraging behavior and monetary impact of great blue herons Ardca hr.rodia5, great egrets A . alba, and little blue heron5 E m t r a cnurulua loragine at Arkansas haiffish farms. Although great egrets captured most baitfishlminute, captureslstrike were nearlj identical among the three wadine bird snec...