digestive system of ruminants.pptx
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The document discusses the digestive system of ruminants. Ruminants have a four-chambered stomach that helps them digest plant food through a process called rumination. The four chambers are the rumen, reticulum, omasum, and abomasum. The rumen stores grass and grain and absorbs nutrients. Food moves between the chambers and intestines through contractions and the esophagus allows bidirectional movement. This unique digestive system allows ruminants to break down and extract nutrition from plant matter.
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The document discusses the digestive system of ruminant animals. It defines ruminants as animals with a multi-chambered stomach that allows them to break down forages and roughages. The ruminant digestive system includes the mouth, esophagus, reticulum, rumen, omasum and abomasum. The reticulum helps remove foreign matter while the rumen contains bacteria that break down cellulose and fiber through fermentation. Ruminants are able to regurgitate partially digested food and further break it down by chewing their cud.
Gi morphology
The cow's digestive system starts with ingestion of food through the mouth. The food is then swallowed into the first of four compartments of the stomach called the rumen. In the rumen, billions of microbes break down cellulose and other complex carbohydrates in the food through fermentation. Partially digested food is regurgitated and rechewed as cud before being swallowed again for further microbial digestion. Next, food moves to the other stomach compartments for additional digestion and absorption of water and nutrients. Finally, digesta enters the small intestine where most absorption occurs before moving to the large intestine and anus for waste excretion.
Ppt stephin
The document discusses nutrition in various lower animals including amoeba, hydra, and planaria. It describes their structures, modes of nutrition, and digestive processes. Amoeba obtains nutrition through holozoic means, ingesting and digesting food intracellularly using food vacuoles. Hydra's mouth opens to a gastrocoel cavity containing glandular cells that secrete enzymes, aiding both extracellular and intracellular digestion. Planaria has a tube-like alimentary canal with a branching intestinal system for digestion, absorption, and distribution of food throughout its body.
CLASS 10 CH 5 LIFE PROCESSES NOTES EX.pdf
The document discusses different modes of nutrition in living organisms. It describes heterotrophic nutrition where organisms depend on other organisms for food. The three types of heterotrophic nutrition are parasitic, saprophytic, and holozoic. Parasitic organisms harm their hosts, saprophytes feed on dead and decaying matter, and holozoic organisms ingest complex foods. Holozoic nutrition involves ingestion, digestion, absorption, assimilation, and egestion. Examples of different organisms and their modes of nutrition are provided, including the human digestive system.
NUTRITION
The document discusses different types of nutrition in living organisms. It describes two main types - autotrophic nutrition, where organisms produce their own food through photosynthesis like plants, and heterotrophic nutrition, where organisms obtain food from other sources. Heterotrophic nutrition is further divided into saprophytic, parasitic, symbiotic and insectivorous. The document also provides details about the nutrition process in animals, including ingestion, digestion in different organs like the stomach and intestines, absorption in the small intestine, and egestion of waste.
ruminant animals
Ruminant animals have a four-chambered stomach that allows them to digest plant fibers through microbial fermentation. Food is initially chewed and swallowed, passing to the rumen and reticulum where microbes break down cellulose and other plant matter. Nutrients are absorbed and the remaining cud is regurgitated and rechewed before passing to the omasum and abomasum for further digestion and absorption. This unique digestive system relies on microbes in the rumen to break down plant fibers that the animal cannot digest on its own, extracting nutrients that the ruminant then absorbs in the lower stomach and intestines.
Digestive system of reptiles, birds and mammals
The document summarizes and compares the digestive systems of reptiles, birds, and mammals. Reptiles have teeth on multiple jaw bones and a muscular tongue. Birds lack teeth and have a two-part stomach. Mammals have different types of teeth and specialized salivary glands. While differences exist, the basic components and functions of the digestive tract are similar across these groups, from mouth to anus.
Powerpoint review pt. 1
The digestive system consists of the gastrointestinal tract and accessory organs. The gastrointestinal tract includes the oral cavity, pharynx, esophagus, stomach, small intestine, large intestine, rectum and anus. The accessory organs include salivary glands, liver, gallbladder and pancreas. The gastrointestinal tract breaks down food into nutrients that can be absorbed and eliminates waste. The accessory organs produce enzymes and bile that aid in digestion.
Digestive system ii
The digestive system breaks down food into smaller molecules that can be absorbed and used by the body. While all animals have a digestive system, the specific structures and processes vary between invertebrates and vertebrates. Invertebrates may digest food intracellularly within cells or extracellularly through specialized organs. Vertebrates exclusively use extracellular digestion along an alimentary canal containing specialized organs like the mouth, esophagus, stomach, and intestines. However, there is still variation between different vertebrate digestive systems.
Digestive
The digestive system breaks down food into smaller molecules that can be absorbed and used by the body. While all animals have a digestive system, the specific structures and processes vary between invertebrates and vertebrates. Invertebrates may digest food intracellularly within cells or use specialized organs, while vertebrates always use extracellular digestion through a tube-like digestive tract from mouth to anus. The components of the digestive system differ between species to efficiently break down and absorb nutrients from different types of food.
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- 1. Bioved Research Institute of Agriculture , Technology And Sciences SEMESTER- V (NEW) Course no. : AG-510 Credit : 3 (2+1) Course Title: Principles of Food Science And nutrition Compile By: Dr. Braj Kishor Mohrab, Ramvan Gaman Road, Bhagwatipur Shringverpur, Prayagraj (U.P)
- 2. Digestive system of ruminant Ruminants are mammals that eat plants. The most well- known fact about these animals is that they have four- chambered stomachs that help them digest food. This process through which these ruminants extract nutrition from the food they consume is known as rumination. Examples of ruminants are Cows, Sheep, Buffalos, Yaks, Giraffes, and Deer. We see cows chewing their food for very long periods. This happens because Ruminants are animals who can ferment the eaten food, regurgitate it, and chew it again through rumination.
- 4. Digestive System in Ruminant The main difference between digestion in ruminants and digestion in other mammals is that the ruminant’s stomach has four separate chambers, each with a unique function. Most other mammals have single-chambered stomachs.. Organs of the Ruminant Digestive System To understand digestion in ruminants, the ruminant digestive system and its organs need to be understood. Ruminant digestive system is composed of: Mouth The mouth consists of lips, tongue, palate and teeth. Mouth is where ingestion of food (grass) takes place. Food from the mouth is emptied into the oesophagus. Oesophagus Oesophagus is also known as a food pipe. It connects the mouth and stomach. In ruminants, the oesophagus has bidirectional function, which means food can move in both directions (from mouth to stomach and vice versa). This movement of food through the oesophagus is brought about by muscle contraction and relaxation in wave-like fashion.
- 5. Movement of food in the alimentary canal of ruminants
- 6. Stomach There are four chambers of the stomach in ruminants — rumen, reticulum, omasum and abomasum — each with a particular function. Stomach stores grass and grain, absorb nutrients, break down and dissolve food. The rumen is also known as paunch. It is the first chamber of the stomach. The reticulum is also known as honeycomb. The inner side of the reticulum appears structurally similar to a honeycomb. It is attached to the rumen with a thin tissue. The third chamber is a sphere-shaped omasum. It is lined with large folds of tissue. The abomasum is the last chamber of the stomach and is the true stomach. It is smaller in size. It represents about 4% of the total stomach volume.
- 7. Small Intestine Small intestine is divided into duodenum, jejunum and ileum. It receives partially digested food from stomach and empties it into cecum Cecum Connects small and large intestines and acts as a transition. Large Intestine It is larger in width and smaller in length compared to small intestine.