Rumen cow hi-res stock photography and images

Bovine Rumen Fluke infestation in cattle Stock Photo

RMFA11FY–Bovine Rumen Fluke infestation in cattle

Internal organs of a cow with the rumen illustrated to one side to reveal other digestive organs beneath it. Stock Photo

RMBJX17N–Internal organs of a cow with the rumen illustrated to one side to reveal other digestive organs beneath it.

Happy Slaughterhouse Butcher Posing While Holding A Cow Rumen Organ Or Stomach Stock Photo

RFEY0H8X–Happy Slaughterhouse Butcher Posing While Holding A Cow Rumen Organ Or Stomach

RMCPNJFE–COW ANATOMY, DRAWING

Cattle farming, vet checking health of cow, using stethoscope to listen to rumen, England, United Kingdom Stock Photo

RM2PKXND4–Cattle farming, vet checking health of cow, using stethoscope to listen to rumen, England, United Kingdom

Digital illustration of a cow digestive system Stock Photo

RFPKB6K7–Digital illustration of a cow digestive system

Anatomy of the digestive system in the cow. Stock Photo

RF2JKWMHG–Anatomy of the digestive system in the cow.

Basic cow internal organs and beef cuts chart vector Stock Vector

RFJ82A3H–Basic cow internal organs and beef cuts chart vector

butchery at a traditional food market in cusco peru Stock Photo

RF2C6FEC1–butchery at a traditional food market in cusco peru

A rare breed cow stood up in a white halter. Stock Photo

RF2FN4NEB–A rare breed cow stood up in a white halter.

Simmental cow head, a shoulder and a forearm. In a blurry background, there is another head of a Swiss Fleckvieh and a part of a cow barn. Stock Photo

RFMPX80X–Simmental cow head, a shoulder and a forearm. In a blurry background, there is another head of a Swiss Fleckvieh and a part of a cow barn.

A head shot of a pretty adult cow in a barn. Stock Photo

RF2FN4N9C–A head shot of a pretty adult cow in a barn.

RMC6KW8F–Beef tripe

A so-called cannulated cow stands inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa Stock Photo

RMJEX7M1–A so-called cannulated cow stands inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa

beef rumen (first stomach), raw offal meat before grilling, Korean barbecue ingredient Stock Photo

RF2K1NBMR–beef rumen (first stomach), raw offal meat before grilling, Korean barbecue ingredient

Irlams Tripe Advertisment in Rochdale Stock Photo

RMGAFNBD–Irlams Tripe Advertisment in Rochdale

Cleaned and washed raw cattle tripe on cutting board on dark rustic table Stock Photo

RF2WN0830–Cleaned and washed raw cattle tripe on cutting board on dark rustic table

A camera took a peek at the dark stable, and a beautiful Simmental calf looked at the camera inquiringly. Stock Photo

RF2JBC2X9–A camera took a peek at the dark stable, and a beautiful Simmental calf looked at the camera inquiringly.

RME07G2R–Lone calf

RMFA11G1–Bovine Rumen Fluke infestation in cattle

African Buffalo (Syncerus caffer). Female or Cow. Ruminant. Chewing cud. Eat coarse, old grass and in doing so they expose the more tender grass shoot Stock Photo

RMMT7N5H–African Buffalo (Syncerus caffer). Female or Cow. Ruminant. Chewing cud. Eat coarse, old grass and in doing so they expose the more tender grass shoot

cow intestines in the abdomen Stock Photo

RFJ39K41–cow intestines in the abdomen

Simmental cow head with a lead rope on it. In a blurry background, there is partially visible another head of a Swiss Fleckvieh. Selective focus. Stock Photo

RFMPX80W–Simmental cow head with a lead rope on it. In a blurry background, there is partially visible another head of a Swiss Fleckvieh. Selective focus.

Happy Slaughterhouse Butcher Posing While Holding A Cattle Rumen Organ Or Stomach Stock Photo

RF2B2YEEC–Happy Slaughterhouse Butcher Posing While Holding A Cattle Rumen Organ Or Stomach

RFR0AD6Y–Digital illustration of a cow digestive system

RF2JKWMJ1–Anatomy of the digestive system in the cow.

Red and white cow grazing through a green meadow Stock Photo

RF2C14FJP–Red and white cow grazing through a green meadow

RM2EJ9761–Cow anatomy, drawing

Close-up of the nose of a cow, focus on the crusts on the nose Stock Photo

RF2C14GN9–Close-up of the nose of a cow, focus on the crusts on the nose

Cooking with Beef rumen on wooden broad High resolution image gallery. Stock Photo

RFWD622G–Cooking with Beef rumen on wooden broad High resolution image gallery.

RF2F8G265–A head shot of a pretty adult cow in a barn.

RMC6KW8X–Beef tripe

RMJEX7MA–A so-called cannulated cow stands inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa

Cow and milk. Infographics getting natural milk. Stages of production of milk from cow. Pet inner peace. Animal feed system: from grass to milk. Dair Stock Vector

RFJ97W06–Cow and milk. Infographics getting natural milk. Stages of production of milk from cow. Pet inner peace. Animal feed system: from grass to milk. Dair

A plate of hot pot on a wooden table with hairy belly. Stock Photo

RFTWBJH2–A plate of hot pot on a wooden table with hairy belly.

RF2WN084Y–Cleaned and washed raw cattle tripe on cutting board on dark rustic table

various beef raw offal meat before grilling, Korean barbecue ingredients Stock Photo

RF2K1NBN5–various beef raw offal meat before grilling, Korean barbecue ingredients

Raw Tripe / iskembe used for soup. Stock Photo

RFMHHWH0–Raw Tripe / iskembe used for soup.

Skeleton and internal organs of a cow. HW Cervical Vertebrae, BrW Thoracic Vertebrae, LW Lumbar Vertebrae, BW Pelvic Vertebrae, SW Cervical Vertebrae, OS Femoral Bones, US Lower Limb, FW Tarsal Bones, MK Metatarsal Bones, Z Toe Bones, 1 Esophagus, 2 Trachea, 2a Tracheal Fibula, 3 Heart, 4 Body Artery, 5 Liver, 6 Spleen (Outline dashed, obscured by the liver), 7 rumen, 8 leaves (mostly obscured), 9 reticulum, 10 abomasum, 11 small intestine, 12 cecum, 13 small intestine into the colon, 14 kidney, 15 bladder, 16 rectum. (Lungs not shown), 1941 Stock Photo

RMT2TJ42–Skeleton and internal organs of a cow. HW Cervical Vertebrae, BrW Thoracic Vertebrae, LW Lumbar Vertebrae, BW Pelvic Vertebrae, SW Cervical Vertebrae, OS Femoral Bones, US Lower Limb, FW Tarsal Bones, MK Metatarsal Bones, Z Toe Bones, 1 Esophagus, 2 Trachea, 2a Tracheal Fibula, 3 Heart, 4 Body Artery, 5 Liver, 6 Spleen (Outline dashed, obscured by the liver), 7 rumen, 8 leaves (mostly obscured), 9 reticulum, 10 abomasum, 11 small intestine, 12 cecum, 13 small intestine into the colon, 14 kidney, 15 bladder, 16 rectum. (Lungs not shown), 1941

Aerial view of many oxen grazing on sunny summer day on feedlot cattle farm. Stock Photo

RF2JCJ38P–Aerial view of many oxen grazing on sunny summer day on feedlot cattle farm.

Three red-and-white cows in a row in a meadow in the Netherlands Stock Photo

RF2C14FN0–Three red-and-white cows in a row in a meadow in the Netherlands

RFJ64E97–getrockeneter rumen

Close-up of the nose of a red calf Stock Photo

RFC60D19–Close-up of the nose of a red calf

Dairy cows in a lush green field. Small group of Friesian dairy calves grazing in a field. Dairy Friesian cow grazing. Stock Photo

RFD0X6JN–Dairy cows in a lush green field. Small group of Friesian dairy calves grazing in a field. Dairy Friesian cow grazing.

Infographic on the digestive system of the cow. [QuarkXPress (.qxp); 6259x4015]. Stock Photo

RM2NEBR8C–Infographic on the digestive system of the cow. [QuarkXPress (.qxp); 6259x4015].

Live stock : a cyclopedia for the farmer and stock owner including the breeding, care, feeding and management of horses, cattle, swine, sheep and poultry with a special department on dairying : being also a complete stock doctor : with one thousand explanatory engravings . E COW. Left spot where the Trokar must be pierced. By piercing on the right -p^fUside, the intestmes would be injured, vvitu n. Hoven, or Tympanitis.This is distension of the rumen or pauncfagas, the product of fermentationaccompanying acute indigestion. It com-monly follows a hearty feed on clover orother succulent diet, or Stock Photo

RM2AWTWRP–Live stock : a cyclopedia for the farmer and stock owner including the breeding, care, feeding and management of horses, cattle, swine, sheep and poultry with a special department on dairying : being also a complete stock doctor : with one thousand explanatory engravings . E COW. Left spot where the Trokar must be pierced. By piercing on the right -p^fUside, the intestmes would be injured, vvitu n. Hoven, or Tympanitis.This is distension of the rumen or pauncfagas, the product of fermentationaccompanying acute indigestion. It com-monly follows a hearty feed on clover orother succulent diet, or

Fresh and raw wound beef omasum and rumina for raw feeding for dogs on a plate Stock Photo

RFT4TMF4–Fresh and raw wound beef omasum and rumina for raw feeding for dogs on a plate

. Fig. 61. The above illustration depicts a cow, on -which the exact spot in the flank whereat the rumen should be punctured in cases of tympanites is shown. in position, to allow of the continuous escape of the gases. The cannula is tied in this position, and kept there until the gas has ceased to be produced. If the sufferers are in-lamb ewes, or sheep out of condition, about half-a-pint of linseed oil may be administered. If, in the course of two hours or so, no relief is thereby obtained, it may Fig 02. The above illustration re))resents a trocar encased in its cannula. be as well to give Stock Photo

RMMCTN9Y–. Fig. 61. The above illustration depicts a cow, on -which the exact spot in the flank whereat the rumen should be punctured in cases of tympanites is shown. in position, to allow of the continuous escape of the gases. The cannula is tied in this position, and kept there until the gas has ceased to be produced. If the sufferers are in-lamb ewes, or sheep out of condition, about half-a-pint of linseed oil may be administered. If, in the course of two hours or so, no relief is thereby obtained, it may Fig 02. The above illustration re))resents a trocar encased in its cannula. be as well to give

RF2FN4N97–A head shot of a pretty adult cow in a barn.

RMJEX7M5–A so-called cannulated cow stands inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa

Cleaned and washed raw cattle tripe texture background, close up Stock Photo

RF2WN0853–Cleaned and washed raw cattle tripe texture background, close up

RFMHHWHG–Raw Tripe / iskembe used for soup.

Agriculture . rumen, or paunch);c is the second (reticulum);d the third (omasum); e thefourth (abomasum). When acow takes in coarse food, it passesinto the first or largest stomachuntil the cow is done eating.Then the cow stops taking infood and begins to digest it.Fig. 71-The four stomachs of a cow. After soaking or Steeping sometime in the large stomach, it gradually comes back through thegullet to the mouth, to be chewed over and over until it becomesmore liquid-like. Then it flows back and passes right on intothe smaller stomachs, and thence into the intestines. If liquidfood is taken, as Stock Photo

RM2ANGC9X–Agriculture . rumen, or paunch);c is the second (reticulum);d the third (omasum); e thefourth (abomasum). When acow takes in coarse food, it passesinto the first or largest stomachuntil the cow is done eating.Then the cow stops taking infood and begins to digest it.Fig. 71-The four stomachs of a cow. After soaking or Steeping sometime in the large stomach, it gradually comes back through thegullet to the mouth, to be chewed over and over until it becomesmore liquid-like. Then it flows back and passes right on intothe smaller stomachs, and thence into the intestines. If liquidfood is taken, as

RF2F8G266–A head shot of a pretty adult cow in a barn.

RMJEX7M7–A so-called cannulated cow stands inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa

RF2WN082P–Cleaned and washed raw cattle tripe on cutting board on dark rustic table

RFMHHWGC–Raw Tripe / iskembe used for soup.

. The farmer's veterinarian : a practical treatise on the diseases of farm stock . Veterinary medicine. SOME PHYSIOLOGY YOU OUGHT TO KNOW 2$ COW and sheep, on the other hand, ./e find a large storehouse for holding food—a storehouse that is divided into four compartments, the rumen or paunch, reticulum, omasum, and the abomasum. The first three communicate with the gullet by a common opening. The cud is contained in the first and second stomachs, and, after it has been masticated a second time, it passes to the third and fourth, and to the bowels, where the process of digestion is continued. G Stock Photo

RMRE5EYC–. The farmer's veterinarian : a practical treatise on the diseases of farm stock . Veterinary medicine. SOME PHYSIOLOGY YOU OUGHT TO KNOW 2$ COW and sheep, on the other hand, ./e find a large storehouse for holding food—a storehouse that is divided into four compartments, the rumen or paunch, reticulum, omasum, and the abomasum. The first three communicate with the gullet by a common opening. The cud is contained in the first and second stomachs, and, after it has been masticated a second time, it passes to the third and fourth, and to the bowels, where the process of digestion is continued. G

RF2F8G26F–A head shot of a pretty adult cow in a barn.

Professor Dr. Markus Rodehutscord stands next to a so-called cannulated cow inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa Stock Photo

RMJEX7MD–Professor Dr. Markus Rodehutscord stands next to a so-called cannulated cow inside a animal testing facility of the Hohenheim University in Hohenheim, Germany, 28 June 2017. Through a hole at the side of the animal researchers can take samples from the cow's rumen. Photo: Michael Hertel/dpa

08 October 2019, Lower Saxony, Hanover: A sensor bolus that can be transplanted into the rumen of a cow to send vital signs to the cow will be presented at the 5G CMM Expo. The trade fair, where visitors can get an insight into the technical possibilities of the new mobile radio standard 5G, will take place from 08 - 10 October 2019. Photo: Sina Schuldt/dpa Stock Photo

RM2A3G3K0–08 October 2019, Lower Saxony, Hanover: A sensor bolus that can be transplanted into the rumen of a cow to send vital signs to the cow will be presented at the 5G CMM Expo. The trade fair, where visitors can get an insight into the technical possibilities of the new mobile radio standard 5G, will take place from 08 - 10 October 2019. Photo: Sina Schuldt/dpa

RF2WN082F–Cleaned and washed raw cattle tripe on cutting board on dark rustic table

RFMHHWF3–Raw Tripe / iskembe used for soup.

. Mammalian anatomy : with special reference to the cat . Mammals; Anatomy, Comparative; Cats. 126 ELEMENTS OF MAMMALIAN ANATOMY. long as the body. In man it is about nine times as long as the distance from the crown of the head to the coccyx. In Ruminants, such as the cow and the sheep, the stomach is very large and divided into four chambers—the rumen or paunch, reticulum, psalterium or manyplies, and abomasum. Fig. 67. Diagram of the Stomach of a Ruminant. a, Dotted line showing the direction of the food in the process of diges- tion; abom, abomasum; dn, duodenum; <r, esophagus; ps, psal Stock Photo

RMRDJYH3–. Mammalian anatomy : with special reference to the cat . Mammals; Anatomy, Comparative; Cats. 126 ELEMENTS OF MAMMALIAN ANATOMY. long as the body. In man it is about nine times as long as the distance from the crown of the head to the coccyx. In Ruminants, such as the cow and the sheep, the stomach is very large and divided into four chambers—the rumen or paunch, reticulum, psalterium or manyplies, and abomasum. Fig. 67. Diagram of the Stomach of a Ruminant. a, Dotted line showing the direction of the food in the process of diges- tion; abom, abomasum; dn, duodenum; <r, esophagus; ps, psal

RF2F8G26X–A head shot of a pretty adult cow in a barn.

RF2WN083K–Cleaned and washed raw cattle tripe on cutting board on dark rustic table

. Bulletin : report of Agricultural Experiment Station, Agricultural and Mechanical College, Auburn, Ala. Agriculture -- Alabama. 161 aronnd to one side, the muzzle resting on the ground. This [position illustrated in figure 14 is a characteristic. Fig. 14.—Characteristic position of cow in comatose condition. Fu.inel, rubber tube and milk-tube arranged for injecting Schmidt's solution. symptom. Or the animal may stretch broadside upon the ground. While in this position the paunch (rumen) is more elevated than the head and fluids from the paunch flow to the head. About one gill of green fluid Stock Photo

RMRGADF9–. Bulletin : report of Agricultural Experiment Station, Agricultural and Mechanical College, Auburn, Ala. Agriculture -- Alabama. 161 aronnd to one side, the muzzle resting on the ground. This [position illustrated in figure 14 is a characteristic. Fig. 14.—Characteristic position of cow in comatose condition. Fu.inel, rubber tube and milk-tube arranged for injecting Schmidt's solution. symptom. Or the animal may stretch broadside upon the ground. While in this position the paunch (rumen) is more elevated than the head and fluids from the paunch flow to the head. About one gill of green fluid

RF2FN4N9E–A head shot of a pretty adult cow in a barn.

. Challenges in forage and range research. Forage plants; Rangelands. Detailed information on intake and digestibility of forage and on animal behavior is being obtained on this cow for use in evaluating specific forage plants.. Il-29320 Collecting rumen samples to study intake and digestibility of range forage at Las Cruces, N. Mcx. Experiments have shown that beef graded "USDA-Good" can be produced on high-quality grasslands. 2». Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of Stock Photo

RMRJDCB0–. Challenges in forage and range research. Forage plants; Rangelands. Detailed information on intake and digestibility of forage and on animal behavior is being obtained on this cow for use in evaluating specific forage plants.. Il-29320 Collecting rumen samples to study intake and digestibility of range forage at Las Cruces, N. Mcx. Experiments have shown that beef graded "USDA-Good" can be produced on high-quality grasslands. 2». Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of

A head shot of a rare breed cow in a summer paddock. Stock Photo

RF2FN4NBE–A head shot of a rare breed cow in a summer paddock.

A head shot of a rare breed red poll cow. Stock Photo

RF2E8W65W–A head shot of a rare breed red poll cow.

. Agriculture for the Kansas common schools. Agriculture. FEEDING FARM ANIMALS 213 of large intestines, and a pouch called the caecum, it can digest rough feeds, such as hay and straw. It does not, however, digest these feeds so thoroughly as does the cow,. Stomnch of horse: 1. Cardiac end. Stomachs of cow: 1, Rumen, or 2, Pyloric end. (taunch, showing attachment of the esophagus; 2, reticulum; 3, omasum, or manyplies; 4, aboraasum, or diges- tive stomach, showing attachment of the small intestine. and hence requires more concentrates, such as corn and oats. The pig has a small stomach and sma Stock Photo

RMRR08TD–. Agriculture for the Kansas common schools. Agriculture. FEEDING FARM ANIMALS 213 of large intestines, and a pouch called the caecum, it can digest rough feeds, such as hay and straw. It does not, however, digest these feeds so thoroughly as does the cow,. Stomnch of horse: 1. Cardiac end. Stomachs of cow: 1, Rumen, or 2, Pyloric end. (taunch, showing attachment of the esophagus; 2, reticulum; 3, omasum, or manyplies; 4, aboraasum, or diges- tive stomach, showing attachment of the small intestine. and hence requires more concentrates, such as corn and oats. The pig has a small stomach and sma

A head shot of a larege cow in a paddock. Stock Photo

RF2E8W5XD–A head shot of a larege cow in a paddock.

A head shot of a pretty brown and white young cow with ear tags. Stock Photo

RF2DMT3A5–A head shot of a pretty brown and white young cow with ear tags.

. The anatomy of the domestic animals. Veterinary anatomy. Fig. 397,—Projection of Viscera of Bull on Body-wall; Right Side. P., Pylorus; G.6., gall-bladder; R.K., right kidney; L.K., left kidney; P. (above duodenum), pancreas; Bl., bladder; V.s., vesicula seminalis; E.g., bulbo-urethral (Cowper's) gland. Costal attachment and median line of diaphragm are indicated by dotted lines.. •JECTION OF Viscera of ^Cow on Body-wall; Left Side. Oes., CEsophagus: Ret., reticulum; b. s., anterior blind sac; h. s"., posterior blind sacs of rumc left kidney, concealed by the dorsal sac of the rumen, is Stock Photo

RMRN73NN–. The anatomy of the domestic animals. Veterinary anatomy. Fig. 397,—Projection of Viscera of Bull on Body-wall; Right Side. P., Pylorus; G.6., gall-bladder; R.K., right kidney; L.K., left kidney; P. (above duodenum), pancreas; Bl., bladder; V.s., vesicula seminalis; E.g., bulbo-urethral (Cowper's) gland. Costal attachment and median line of diaphragm are indicated by dotted lines.. •JECTION OF Viscera of ^Cow on Body-wall; Left Side. Oes., CEsophagus: Ret., reticulum; b. s., anterior blind sac; h. s"., posterior blind sacs of rumc left kidney, concealed by the dorsal sac of the rumen, is

RF2DMT39Y–A head shot of a pretty brown and white young cow with ear tags.

A head shot of a larege red poll cow in a paddock. Stock Photo

RF2E8W5Y3–A head shot of a larege red poll cow in a paddock.

A small herd of dairy cattle in a field in Suffolk, UK Stock Photo

RF2E2ACE8–A small herd of dairy cattle in a field in Suffolk, UK

. The anatomy of the domestic animals . Veterinary anatomy. Fig. 397,—Projection of Viscera of Bull on Body-wall; Right Side. P., Pylorus; G.b,, gall-bladder; R.K., right kidney; L.K., left kidney; P. (above duodenum), pancreas; Bl,^ urinarj^ bladder; V.s., vesicula seminalis; E.g., bulbo-urethral (Cowper's) gland. Costal attachment and median line of diaphragm are indicated by dotted lines.. Fig. 398.—Projection of Viscera of Cow on Body-wall; Left Side. Oes.t CEsophagus; Ret., reticulum; 6. s., anterior blind sac; 6. s"., posterior blind sacs of rumen; 0, ovary. The left kidney, conceal Stock Photo

RMRDXPC2–. The anatomy of the domestic animals . Veterinary anatomy. Fig. 397,—Projection of Viscera of Bull on Body-wall; Right Side. P., Pylorus; G.b,, gall-bladder; R.K., right kidney; L.K., left kidney; P. (above duodenum), pancreas; Bl,^ urinarj^ bladder; V.s., vesicula seminalis; E.g., bulbo-urethral (Cowper's) gland. Costal attachment and median line of diaphragm are indicated by dotted lines.. Fig. 398.—Projection of Viscera of Cow on Body-wall; Left Side. Oes.t CEsophagus; Ret., reticulum; 6. s., anterior blind sac; 6. s"., posterior blind sacs of rumen; 0, ovary. The left kidney, conceal

RF2E2ACCW–A small herd of dairy cattle in a field in Suffolk, UK

. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Nutrition 133 are particularly useful to prevent hemorrhages in young chickens, in human infants, and in adults with obstructive jaundice. Vitamin Ki is: H H<t o II C CH3 ' / C CH3 CH:. CH3 CHa C C-CH.CH=C-CH.-CH.-CH-CCH0a-CH-(CH03-CH-CH, C II o Vitamin K is not a dietary essential for the cow—it is synthesized in the rumen; also the rat, dog, and probably man obtain enough from bacteria in the in- testine. This is not true for chickens, however, and in mammals shortly after birth the prothrombin level of Stock Photo

RMREEWHB–. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Nutrition 133 are particularly useful to prevent hemorrhages in young chickens, in human infants, and in adults with obstructive jaundice. Vitamin Ki is: H H<t o II C CH3 ' / C CH3 CH:. CH3 CHa C C-CH.CH=C-CH.-CH.-CH-CCH0a-CH-(CH03-CH-CH, C II o Vitamin K is not a dietary essential for the cow—it is synthesized in the rumen; also the rat, dog, and probably man obtain enough from bacteria in the in- testine. This is not true for chickens, however, and in mammals shortly after birth the prothrombin level of