And actually this is economic solution. If you have got sufficient milk, then you can make so many nice nutritious, full of vitamin values preparation and grains. There is no question of economic starvation if you have got simply grains and cows. So that was the standard of economic solution in days yore.
So they were preparing just to satisfy the demigod Indra, because he was supposed to sup . . . not supposed; actually he supplies rains sufficiently. Without rains you cannot have successful agriculture. So they were preparing that sacrifice. So this preparation was being observed by Kṛṣṇa and Balarāma.
Kṛṣṇa is the youngest, and Balarāma is the eldest. Balarāma is son of Rohiṇī, and Kṛṣṇa is son of Devakī. Both these ladies, Rohiṇī and Devakī, they were wives of Vasudeva, Kṛṣṇa's father. So Balarāma was born of Rohiṇī, and Kṛṣṇa was born of Devakī. Devakī-nandana-gopāla. So Devakī-nandana.
So They were not very . . . there was not much difference of Their age, say one year or two years, like that. So Balarāma was eldest brother. They were playing together, and this is an incidence when Balarāma was about eight years old and Kṛṣṇa was about seven years old. So, bhagavān tatraiva baladevena saṁyutaḥ. Bhagavān, the Supreme Personality of Godhead, Kṛṣṇa, along with Baladeva, His elder brother, apaśyan, "saw." What is that "saw"?