The aim of this study was to contribute to the understanding of the effects of phased cultivation on the productivity and the compensatory change of Macrobrachium rosenbergii prawns to increase the intensity of the cultivation and manage the heterogeneous growth through size separation. The study was carried out in an aquaculture farm in the Caribbean region of Costa Rica. A concrete pool measuring 12 m2 x 0.5 m deep was used as nursery and two earthen ponds covered with plastic measuring 72 m2 x 0.8 m deep for the development and fattening phases. The nursery pool was divided in two and the stocking densities were 91.6/m2 per section. In the nursery they were harvested with an average 2.5 g to stock the development pond divided in two at a density of 12.5/m2 per section. In development they were harvested again with an average 7.3 g (1.3-19.5 g). They were separated by size using a net ...

The main objective of this bibliographical research was to determine how the assignment of nursing personnel is carried out in relation to the profile of a job, to achieve this, scientific articles were taken into account with the keywords of personnel assignment, staffing, assignment by competences with an age of 10 years according to the Redalyc, Scielo, Dialnet, Elsevier database. As a result, there were 38 scientific articles that met the inclusion criteria; which presented various models of personnel assignment, each one with its advantages and disadvantages according to the surrounding reality where they had been applied. In conclusion, the literature suggests that proper nursing staff assignment is crucial to ensure quality and safe patient care in hospitals, and that multiple factors and approaches need to be considered to achieve optimal assignment