Srila Prabhupada on benefits of Cow Protection
There are so many facilities afforded by cow protection, but people have forgotten these arts. The importance of protecting cows is therefore stressed by Krsna in Bhagavad-gita (krsi-go-raksya-vanijyam vaisya-karma svabhavajam [Bg. 18.44]). Even now in the Indian villages surrounding Vrndavana, the villagers live happily simply by giving protection to the cow. They keep cow dung very carefully and dry it to use as fuel. They keep a sufficient stock of grains, and because of giving protection to the cows, they have sufficient milk and milk products to solve all economic problems. Simply by giving protection to the cow, the villagers live so peacefully. Even the urine and stool of cows have medicinal value. SB 10.6.19 Purport
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