What is your interpretation of symbolism in Nectar in a Sieve?

In Nectar in a Sieve, the bullocks symbolize the hardworking peasants of the village.
In Nectar in a Sieve, the bullocks symbolize the lazy peasants of the village.
In Nectar in a Sieve, the bullocks symbolize the lethargic peasants of the village.
In Nectar in a Sieve, the bullocks symbolize the sluggish peasants of the village.