Caitanya-caritāmṛta 17.161
ataeva jarad-gava māre muni-gaṇa veda-mantre siddha kare tāhāra jīvana
[ataeva jarad-gava maare muni-gana veda-mantre siddha kare taahaara jeevana]
Blended reading (Sanskrit + English inline)
ataeva jarad-gava māre muni-gaṇa veda-mantre siddha kare tāhāra jīvana
“Therefore the great sages sometimes killed old cows, and by chanting Vedic hymns they brought them back to life for perfection.
My note
Source: vedabase.io