The formulas to calculate space requirement for swine are:

1. For Gilts up to mating:

\[ SR = 1.00 \cdot Na \]

2. For Adult pigs in group:

\[ SR = 2.50 \cdot Na \]

3. For Gestating sows:

\[ SR = 1.20 \cdot Na \]

4. For Boar in pens:

\[ SR = 7.50 \cdot Na \]

5. For Lactating sows and liters – individual pen:

\[ SR = 7.40 \cdot Na \]

6. For Lactating sows and liters - multi-suckling groups:

\[ SR = 5.60 \cdot Na \]

7. For Dry sows:

\[ SR = 1.80 \cdot Na \]

Where:

• \(SR\) is the space requirement in square meters.
• \(Na\) is the number of animals.