Univ

ersity

of U

din

e

Aqua case

Valle Ca’ Zuliani Monfalcone

Exercise

Reared fish welfare

Maria Messina

Learning goals

To identify the connections between environmental conditions and the physiology of the fish

To understand the meaning of welfare for reared fish

To understand the consequences for fish welfare of changes in environmental conditions

The farm owner wants to improve the welfare of the reared fish in the pre-ongrowing tanks.

The challenge

Considering the existing farming system, which actions will you take to improve the welfare of the reared fish in the pre-ongrowing tanks?

The question to answer

Additional materials

• stocking density: 17.5 kg/m3

• daily water volume renewal rate: 3%

In addition to the case, the following information on the rearing conditions of sea bass in the tanks applies: