सर्पव्यालत्रासनार्थं गोचरानुपातज्ञानार्थं च त्रस्नूनां घण्टातूर्यं च बध्नीयुः ॥ कZ_०२.२९.२२ ॥
sarpavyālatrāsanārthaṃ gocarānupātajñānārthaṃ ca trasnūnāṃ ghaṇṭātūryaṃ ca badhnīyuḥ
Pour effrayer serpents et bêtes sauvages, et pour connaître les déplacements le long des itinéraires de pâturage, ils attacheront des cloches et des instruments sonores aux (animaux) craintifs.
They are both deterrents (noise repels predators) and monitoring devices (sound reveals herd location and abnormal movement).
Practical, inexpensive controls (upāya) embedded in routine operations to reduce risk without heavy manpower.