मूषिकभये मार्जारनकुलोत्सर्गः ॥ कZ_०४.३.२१ ॥
mūṣikabhaye mārjāranakulotsargaḥ
Quando houver perigo de ratos, soltem-se gatos e mangustos.
Biological control—using predator species to reduce pest populations.