Young boy blowing up the bottom of a cow to increase the milk production, Mundari tribe, South Sudan, Africa

Young boy blowing up the bottom of a cow to increase the milk production, Mundari tribe, South Sudan, Africa

Young boy blowing up the bottom of a cow to increase the milk production, Mundari tribe, South Sudan, Africa

Young boy blowing up the bottom of a cow to increase the milk production, Mundari tribe, South Sudan, Africa

Bull scents cow on a farm near Waiuku on North Island in New Zealand

Bull scenting cow on a farm near Waiuku on North Island in New Zealand

Usa, South West, Arizona, Canyon De Chelly, Navajo Reservation, Cows Grazing At Bottom Of The Canyon

A cow's backside

Anatomy of the cow digestive apparatus. From left to right: mouth and esophagus, the reticulum (brown excrescence on the left), the rumen or composed paunch, from the top to the bottom by the dorsal sac, the cranial sac and the ventral sac. The grey excrescence beneath is the abomasum or velles.

Sea Cow (Dugong dugon) or Dugong with Remorafish on its belly swims up to surface in blue water, school of Golden Trevally (Gnathanodon speciosus) fish accompany it, Bottom view, Red sea, Egypt, Africa

Scottish Highland Cattle with calf and grown up cow with scraggy brown fur lying on ground