Mahabharata 12.35.28
वृथापशुसमालम्भं नैव कुर्यान्न कारयेत्अनुग्रहः पशूणां हि संस्कारो विधिचोदितः
vṛthāpaśusamālambhaṃ naiva kuryānna kārayetanugrahaḥ paśūṇāṃ hi saṃskāro vidhicoditaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book