Are cow dung and cow's ghee the only materials that can be used to prepare Agnihotra fire?

Agnihotra should be performed using only 100% pure cow dung cakes and 100% pure cow's ghee. When we say cow we mean either the male or female progeny of the cow species. Dung and ghee from other animals is strictly forbidden in the practice of Agnihotra.

Cow's ghee is a unique substance with properties unlike any other known material. Ghee from other animals such as the buffalo or goat will not only fail to produce the same beneficial healing result, but will actually have a negative effect. More.

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