Kine form the fruit of sacrifices. Sacrifices are established in kine. Kine are the Future and the Past, and the Sacrifices rest on them.
गावो यज्ञस्य हि फलं गोषु यज्ञाः प्रतिष्ठिताः। गावो भविष्यं भूतं च गोषु यज्ञाः प्रतिष्ठिताः॥