Agnipurana 210.15

210.15

prāṅmukhīṃ kalpayeddhenumudakpādāṃ savatsakāṃ /
uttamā guḍadhenuḥ syāt sadā bhāracatuṣṭayāt //

One should fashion the cow facing east, with its legs to the north, accompanied by its calf. / The superior cow of raw sugar is always [made] from four bhāras;