dhenavo manda-gāminya
ūdho-bhāreṇa bhūyasā
yayur bhagavatāhūtā
drutaḿ prītyā snuta-stanāḥ
dhenavah -- the cows; manda-gaminyah -- moving slowly; udhah -- of their udders; bharena -- because of the weight; bhuyasa -- very great; yayuh -- they went; bhagavata -- by the Lord; ahutah -- being called; drutam -- quickly; pritya -- out of affection; snuta -- wet; stanah -- their udders.
Srila Prabhupada comments, "The cows, being fed by new grasses, became very healthy, and their milk bags were all very full. When Lord Krishna called them by name, they immediately came to Him out of affection, and in their joyful condition the milk flowed from their bags."