Rather than eating it, the cow may have simply been chewing on the snake to obtain nutrients it was missing out on.

Villagers in Chitrahat, Agra failed recently to rescue a cow being preyed and eaten alive by a Giant Python. The python which was described to be 16 feet long attacked a cow and swallowed it ...

"A snake that size, it would have swallowed one cow whole," Embong told the New Straits Times. "I have had pythons eat chickens, that I also rear, before, but none of them was as big as this snake." ...