288
Śrīmad-Bhāgavatam
[Canto 8, Ch. 8]
PURPORT
Surabhi  cows are generally found on the Vaikuṇṭha planets. As described in  Brahma-saṁhitā , Lord Kṛṣṇa, on His planet, Goloka Vṛndāvana, engages in tending the  surabhi  cows ( surabhīr abhipālayantam ). These cows are the Lord's pet animals. From the  surabhi  cows one can take as much milk as one needs, and one may milk these cows as many times as he desires. In other words, the  surabhi  cow can yield milk unlimitedly. Milk is necessary for the performance of  yajña . Sages know how to use milk to elevate human society to the perfection of life. Since cow protection is recommended everywhere in the  śāstras , the  brahma-vādīs  took charge of the  surabhi  cow, in which the demons were not very interested.
TEXT 3
तत उच्चैःश्रवा नाम हयोऽभूचन्द्रपाण्डुरः । तस्मिन्बलिः स्पृहां चक्रे नेन्द्र ईश्वरशिक्षया ॥ ३ ॥
tata uccaiḥśravā nāma   hayo 'bhūc candra-pāṇḍuraḥ   tasmin baliḥ spṛhāṁ cakre   nendra īśvara-śikṣayā
tataḥ —thereafter;  uccaiḥśravāḥ nāma —by the name Uccaiḥśravā;  hayaḥ —a horse;  abhūt —was generated;  candra-pāṇḍuraḥ —being as white as the moon;  tasmin —unto it;  baliḥ —Mahārāja Bali;  spṛhāṁ cakre —desired to possess;  na —not;  indraḥ —the King of the demigods;  īśvara-śikṣayā —by the previous advice of the Lord.
TRANSLATION
Thereafter, a horse named Uccaiḥśravā, which was as white as the moon, was generated. Bali Mahārāja desired to possess this horse, and Indra, the King of heaven, did not protest, for he had previously been so advised by the Supreme Personality of Godhead.