Exotics GIT Flashcards

1
Q

bird core body temp?

A

42 degrees celcius

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2
Q

gut transit times in reptiles?

A

much slower due to much lower core body temp

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3
Q

length of oesophagus of fish?

A

short

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4
Q

what are the four forms of stomachs of a fish?

A

Y-shaped (eels)
U-shaped (trout)
Absent (e.g. blennies)
Straight (e.g. mullet)

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5
Q

what separates the stomach from the intestines in a fish?

A

pyloric sphincter

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6
Q

pyloric caeca?

A

present in some species of fish, thought to secrete digestive enzymes (contended)

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7
Q

swim bladder?

A

pocket of gas - absorb or release gas in order to change their buoyancy
not all species have a swim bladder

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8
Q

what species are swimbladders not present in?

A

elasmobranchs and ray finned species

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9
Q

where is kidney found in fish?

A

invaginations inbetweeen vertebrae of spine

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10
Q

squamata?

A

scaled
e.g. saurai (lizards), serpentes (snakes) and amphisbena (worm lizards)

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11
Q

lungs of snakes?

A

tend to only have one lung

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12
Q

what direction are the teeth facing in snakes and why?

A

teeth are backward facing to aid swallowing

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13
Q

what organ is normally diffused?

A

pancreas

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14
Q

stomach of crocodilians?

A

two part stomach - one part glandular and one part muscular

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15
Q

problems with chameleon having a long tongue?

A

they can swallow it and it can stick out the rear end

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16
Q

tortoises, turtles and terrapins do not have teeth…

A

instead they have a keratinised beak

17
Q

fermentation of tortoises, turtles and terrapins?

A

hindgut fermentation

18
Q

hibernation?

19
Q

why starce before rumation?

A

due to hindgut fermentaiton - septisemia

20
Q

how long do you starce tortoises for?

A

couple of weeks

21
Q

what are beaks?

A

they are bone covered in rhampotheca (keratinised epidermis) for protection

22
Q

birds can’t taste?

A

pepper/chilli powder

23
Q

gular pouch in which birds?

A

it is a large adaptation of the oesophagus
found in pelicans, frigate birds and boobys

24
Q

geese ‘teeth’ made from?

A

made from tomium (the sharp bit of the beak)

25
tomium?
good for tearing away at leaves
26
ventirculus AKA?
gizzard
27
gizzard?
solid muscular structure - feels like a stone - small pocket inside - helps to grind down food items
28
which bird species do not have a crop?
owls, raptors, swans, geese
29
crop milk?
milky paste for young to feed on made out of sloughing of epithelial cells e.g. pigeons, doves and flamingos)
30
grit is really important for which bird especially?
chickens
31
birds instead of caercun?
caeca - paired caecum
32
which rodent species does not have a gall bladder?
rats
33
three issues with the cheek pouches in rodents?
things can get stuck sometimes sick animal 'eating' are not eating abscesses and tumours may occur
34
what species engage in coprophagy?
rats, mice
35
coprophagy
eat faeces to get extra nutrition
36
caecotrophy?
specialised coprophagy
37