Fishealth and growth test

6 important questions on Fishealth and growth test

What is the difference between necropsy and autopsy?

Necropsy is an examination of an animal body after death
autopsy is the english word for examination of a human body

What is the difference between mortality and morbidity?

Morality is the number of animals died
morbidity is illness that is not immediately life-threatening

What does reduction mean in the 3 R's?

Reduction refers to methods minimizing the number of animals used per experiment, consistent with scientific aims
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In what two ways can the effect of factors on the growth curve take place?

  • A reduction in final (or adult) weight of the fish
  • a shift of the time moment at which the infection point occurs in the curve

Why does the Ration-maintenance differ for growth expressed on weight and growth expressed on energy?

Because animals have a higher priority for protein gain than for fat gain at low feeding rations. At low feeding levels, fat reserves are used as energy, to enable protein gain

What determines the optimal temperature for growth of fish?

It's enzyme activity

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