The male part of fertility traits in pigs has not often been analysed because of missing semen quality data in the case of natural mating. With increasing AI in pigs more data about semen quality of boars is available, so its influence on litter size can be analysed on bigger data sets. With advanced recording systems, single matings are recorded and important economic traits like mating succes...

There is an error in the third sentence of the fourth paragraph in “The Nature of Personality Traits and Political Attitudes” section of the Introduction. The correct sentence is: For the FFM and Eysenck’s personality traits, correlations between Openness and social attitudes, Neuroticism and economic attitudes, Conscientiousness and social attitudes, the P-Scale and military/defense attitudes,...

Complex economic factors require health care professionals to possess multiple skills. Although controversial, some characteristics associated with Machiavellianism may be needed for the maintenance of organizational solvency. A study was conducted to determine the differences between aspiring health care managers and patient care professionals regarding Machiavellian tendencies. The results of...

Previous research on personality traits and political attitudes has largely focused on the direct relationships between traits and ideological self-placement. There are theoretical reasons, however, to suspect that the relationships between personality traits and political attitudes (1) vary across issue domains and (2) depend on contextual factors that affect the meaning of political stimuli. ...

Molecular techniques have been developed that can enhance breeding efficiency for quantitatively inherited traits, many of which are economically important. Examples include yield, yield components, and fiber properties. Such traits do not consistently fall into discrete classes because environmental conditions greatly modify their performance. Molecular markers such as restriction fragment len...

this study was carried out to investigate the effect of selection on the reduction of fat-tail size in lori-bakhtiari lambs. the study lasted for five years at the development and breeding center of lori-bakhtiari sheep station. estimation of fat-tail weight, using external fat-tail dimensions was obtained from regression procedure at 6 month age. soft tissue depth at the point 12 cm from the m...

the aim followed in the present study was to investigate the economic aspects of , and to derive economic weights (ews) for mature body weight (mbw) as well as for age at first calving (afc) in holstein dairy cattle of iran. economic values (evs) for traits were estimated using trait-by-trait bio-economic models. absolute evs were rls -16400 and -17900 per cow per year for mbw and afc, respecti...