Why Farmers In These Countries Make Holes In Their Cattle's Stomachs - News18

This hole is known as a fistula, and it is installed in a cow through surgery.

Sarus Crane Population in Bhoj on the Rise Due to Community Effort - Vikalp Sangam

Researchers at Agroscope, in Grangeneuve, Switzerland are opening an eight-inch hole, known as a cannula, on the flanks of 14 cows so they can monitor their digestion

Beef caucus takes over indigenous policies in Brazil

Bovine spongiform encephalopathy - Wikipedia

US Farmers Are Making These Giant Holes in Their Cows. The Reason? Weird Yet Helpful

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Fortean Times - issue 02/2024

Why do American farmers make holes in the stomach of cows? - Quora

Why holes are made in a cows stomach?

The American Farmer Is Making A Deep Hole In The Cow's Body. But Not Harming It - Agriculture - Nigeria

Farmers In Switzerland Drilling Holes In The Stomachs Of Cows For Strange Reasons, Farmers In Switzerland Drilling Holes In The Stomachs Of Cows For Strange Reasons

WTF? Scientists Cutting Permanent Holes Into Live Cows - Mercy For Animals