Digestive physio and feeding characteristics of healthy dogs

Question 1

Mouth (3)

Answer 1

1. Have 42 teeth
2. Are carnivores originally- there for do not chew like omnivores, they use teeth to cut meat
3. No digestive enzymes in the saliva

Question 2

Stomach (3)

Answer 2

1. Simple
2. 60-70% of the GIT
3. High HCl and pepsin- good protein digestion and low pH of 1.5-3.5

Question 3

Small intestine (4)

Answer 3

Short! only 5-6x the body length

pH of 6-7

Receives the stomach content: digests chyme and absorbs the nutrients

Villi

Question 4

Function of the villi (3)

Answer 4

1. Incr the surface and abs area
2. Tips produce disacchaidases and peptidases
3. In youngL the brush border produces lactase

Question 5

Large intestine (4)

Answer 5

1. Simple, short and smooth
2. Absorption of water and electrolytes
3. Some fermentation
4. Waste storage

Question 6

What is the total transit time through the GIT

Answer 6

22 hrs

Question 7

Liver:

Answer 7

detoxification of vit A

Question 8

Kidney

Answer 8

Concentration

Question 9

Pancreas:

Answer 9

Proteases: trypsin and chymotrypsin

Lipase

Question 10

Bile

Answer 10

Conjugated bile acids: glycine and taurine

Emulsify fats

Activate lipase

Question 11

Unique concerns in dog nutrition (8)

Answer 11

1. Are becoming omnivores through human domestication
2. Large quantities once a day
3. Can become obese
4. The feed intake is regulated by volume not E
5. Learn feeding habits slowly
6. More likely to consume harmful things
7. Low fiber intake
8. Can convert beta carotene to vit A

Question 12

BW at birth

Answer 12

120-500g

Question 13

Faeces

Answer 13

once to 4 times a day

5 grade consistency scoring system

Question 14

grade 1

Answer 14

Hard dry and crumbly

Bullet like

Question 15

grade 1.5

Answer 15

hard and dry

Question 16

grade 2

Answer 16

well formed

no mark when picked up

kickable

Question 17

grade 2.5

Answer 17

well formed

slightly moist, sticky surface

leaves a mark when picked up

Question 18

grade 3

Answer 18

Moist- beginning to lose form

Definite mark when picked up

Question 19

grade 3.5

Answer 19

Very moist

Still has some form

Question 20

grade 4

Answer 20

Mostly all the form is lost

Poor consistenct

Viscous

Question 21

grade 4.5

Answer 21

Dx

Some areas of consistency

Question 22

Grade 5

Answer 22

Watery Dx