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ANIMAL SCIENCE > Digestive pys 2 > Flashcards

Digestive pys 2 Flashcards

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Biology 101 flashcards
1
Q

what is a bolus formation and how does it work

A

bolus of ingested feed –> transported back to the mouth for additend mastication

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2
Q

what is energy.

A

carbohydrates

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3
Q

what are carbohydrates

A

energy subs - monochaserdes, disaccharides, polysaccharides (ex. glucose polymers)

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4
Q

what is starch

A

storage form of glucose for plants

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5
Q

what is cellulose

A

( storage form of glucose for plants

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6
Q

what is glycogen

A

storage form of glucose for animals

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7
Q

what do volatile fatty acids(vfa) do

A

they play the primary role as an energy substrate

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8
Q

microbial contributions

A

energy - VFA (80%)
protein- amino acids
vitamins- b- complex

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9
Q

what does the omasum do ?

A

strains or sorts materials between the rumen and resorts gastrointestinal tract

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10
Q

what does the abomasum do ?

A

gastric stomach with chemical digestion

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11
Q

proximal small intestine

A

digestion and absorption

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12
Q

distal small intestine

A

absorption of nutrients

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13
Q

cecum

A

microbial digestion

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14
Q

large intestine

A

H2O metabolism

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15
Q

how do we establish microbial population

A

coprophagy

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16
Q

what is an avian ?

A

modified monogastric

17
Q

what does the mouth of an avian do ?

A

prehension no mastication no chemical digestion

18
Q

what does the esophagus of an avian do ?

A

one way transports from the mouth to the crop

19
Q

what is a crop

A

pouch outside body cantis, storage + mild chemical digestion- soften

20
Q

what is the proventriculus

A

chemical digestion and gastric stomach

21
Q

what is the gizzard

A

mastiation, mechanical digestion

22
Q

what is grit

A

small rocks. hard surfaces to go in mechanical digestion provides minerals

23
Q

what does the small intestine do in an avian

A

absorption/ digestion

24
Q

what does the ceca do in an avian

A

storage of urine and defecation

25
Q

what does the large intestine do in an avian

A

h2o metabolism

ANIMAL SCIENCE (10 decks)

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