, RESUMENEn el presente estudio se tuvo como objetivos identificar la correspondencia de opiniones entre el enfermero de centro quirúrgico y el equipo de enfermería en relación al estilo de liderazgo ejercido por el enfermero y el estilo de liderazgo que este profesional debería adoptar en relación al nivel de madurez del liderado. Para alcanzar los objetivos propuestos, seleccionamos el Liderazgo Situacional como referencial teórico y elaboramos instrumentos que fueron sometidos a validaciones, aparente y de contenido. Los instrumentos fueron aplicados en quince enfermeros, dos técnicos y trece auxiliares de enfermería. Los resultados evidenciaron que el estilo de liderazgo más ejercido por el enfermero fue el E3 (compartir). En cuanto al estilo de liderazgo que el enfermero debería adoptar en relación al nivel de madurez del liderado, frente a las actividades desarrolladas en la sala de operaciones, hubo predominio del estilo E4 (delegar), sugiriendo que los liderados investigados presentaban nivel de madurez alto (M4).
DESCRIPTORES
Feeding strategies of tilapia (initial average weight: 32 g) cultivated with Biofloc technology (BFT) (carbon source: sugarcane, C:N ratio: 6:1) for 56 days were studied. A 4 × 3 factorial experimental design was used with four feeding frequencies (one, two, three and four times a day) and three feeding rates (50%, 75% and 100% consumption in relation to apparent satiety), with four replicates. Lower levels of dissolved oxygen, protein retention rate and body protein content were found in fish fed once a day. The reduction in feeding rate resulted in lower average final weight and reduced growth but promoted a decrease in the concentration of total ammonia nitrogen, solids, hepatosomatic index and body lipids. We found better efficiency of protein utilization at 75% feed. The nutritional value of the floc was not affected by the feeding frequency, and the feeding rate reduction from 100% to 75% did not alter the protein content of the floc. Thus, twice‐daily feeding frequency is sufficient for Nile tilapia fingerlings reared in BFT. Although the feeding rate of 100% satiety has led to better performance, it may not be the best option in BFT due to higher feed conversion and reduction of water quality.
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