गूफ़

The number of bottles left on the table after the piglet bumps it changes between shots. There are five bottles when the piglet bumps it, but when the Man comes in and grabs the piglet there are seven bottles on it.

When the Farmer is holding his son, he sets him on his Wife's lap twice.

During the storm, the man straps bundles of reeds to his wife as a flotation device.

However, they are both sitting in a wooden boat, which, even if it were to capsize, would still float and provide a more suitable object to cling to (or sit on/in) until the storm abates.