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What are the characteristics of a cow's stomach? How does it digest food? This is an emergency! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
Cows are ruminants. Different from other domestic animals, the biggest feature is that it has four stomachs, namely rumen, reticular stomach (honeycomb stomach), flap stomach (louver stomach, commonly known as bovine louver) and abomasum. The first three stomachs have no gastric glands and do not secrete gastric juice, which are collectively called forestomachs. The fourth stomach has gastric glands, which can secrete digestive juice, similar to the stomachs of pigs and people, so it is also called true stomach. The roughage eaten by cattle is mainly decomposed into absorbable substances through rumen microbial fermentation.

Cattle have only a short life, and their digestive system functions as monogastric livestock. When the calf was born, the first two stomachs were very small, only about half of abomasum, and the only part of the four stomachs that really worked was abomasum. At this time, the other three stomachs are not fully developed, and milk is digested by abomasum and small intestine. After calves are weaned, the feed changes from liquid to solid. With the increase of age, rumen develops rapidly, and the volume ratio of four stomachs of young cattle and adult cattle changes greatly. The volume of the first two stomachs can account for about 85% of the total volume of the four stomachs in adulthood.

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