Text 19]
The Killing of the Demon Pūtanā
17
young man, He is the same person. He does not need to become powerful by meditation or any other external endeavor. Therefore when the greatly powerful Pūtanā expanded her body, Kṛṣṇa remained the same small child and fearlessly played on the upper portion of her breast.  Śaḍ-aiśvarya-pūrṇa . Bhagavān, the Supreme Personality of Godhead, is always full in all potencies, regardless of whether He is present in this form or that. His potencies are always full.  Parāsya śaktir vividhaiva śrūyate . He can display all potencies under any circumstances.
TEXT 19
यशोदारोहिणीभ्यां ताः समं बालस्य सर्वतः । रक्षां विदधिरे सम्यग्गोपुच्छभ्रमणादिभिः ॥१९॥
yaśodā-rohiṇibhyām tāḥ samam bālasya sarvataḥ rakṣām vidadhire samyag go-puccha-bhramaṇādibhiḥ
yaśodā-rohiṇibhyām —with mother Yaśodā and mother Rohiṇī, who principally took charge of the child;  tāḥ —the other  gopīs ;  samam —equally as important as Yaśodā and Rohiṇī;  bālasya —of the child;  sarvataḥ —from all dangers;  rakṣām —protection;  vidadhire —executed;  samyak —completely;  go-puccha-bhramaṇa-ādibhiḥ —by waving around the switch of a cow.
TRANSLATION
Thereafter, mother Yaśodā and Rohiṇī, along with the other elderly  gopīs , waved about the switch of a cow to give full protection to the child Śrī Kṛṣṇa.
PURPORT
When Kṛṣṇa was saved from such a great danger, mother Yaśodā and Rohiṇī were principally concerned, and the other elderly  gopīs , who were almost equally concerned, followed the activities of mother Yaśodā and Rohiṇī. Here we find that in household affairs, ladies could take charge