5. Health Management

Health Monitoring — Quiz

Test your understanding of health monitoring with 5 practice questions.

Practice Questions

Question 1

In a large-scale aquaculture operation, a sudden and sustained decrease in the average feed intake per biomass unit, despite optimal water quality and no apparent behavioral changes, is most indicative of which of the following as an early warning indicator?

Question 2

When designing a new aquaculture facility, which of the following site selection criteria is most critical for minimizing the risk of introducing novel pathogens from external sources?

Question 3

A comprehensive health monitoring program in a marine finfish hatchery includes regular screening of broodstock for specific viral pathogens using quantitative polymerase chain reaction (qPCR). If a significant percentage of broodstock test positive for a latent viral infection, what is the most appropriate immediate action to prevent vertical transmission to offspring?

Question 4

In a recirculating aquaculture system (RAS), a sudden and persistent increase in the concentration of nitrifying bacteria in the biofilter, as indicated by molecular analysis, without a corresponding increase in ammonia or nitrite, is most likely an early warning indicator of which of the following?

Question 5

Which of the following advanced diagnostic techniques is most effective for identifying asymptomatic carriers of specific viral pathogens in aquaculture populations, particularly when the pathogen exhibits a latent phase?