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AC,H&M - Coggle Diagram
AC,H&M
Hamster
Golden/Syrian: Mesocricetus auratus (largest) = biggest hamster
Models for - infectious disease, ciculatory function, cytogenic, tumour/ tissue transplant, dental cavities, short gestation time
Cricetinae subclass of rodentia
poor vision
eat night faeces
Milky urine, strong smeel, alkaline pH 8
5 digits on back feet & 4 on front
Dental formula 11000033
Malocclusions possible - Without something to chew on, their teeth may overgrow - i.e. provide hard diets and enrichment wood blocks
Buccal cheek piouches
crepuscular (most active during twilight)
Awake before handling,
Females should not be disturbed for 2 days before and 7 days after parturition (see cannibalism...
Can have brightest light at 450 bench level
hamsters dont have tail veins - collect blood from lateral saphenous vein..0.15ml max sample, rpeat 2 weeks appart OR 0.01 ml daily
Guinea pig
Models of nutrition (vit.C), immune system function and infectious disease (TB)
Albino- outbred stock = dunkin-hartley
strian 2 & 13 are inbred strains
Restraint
One hand over the shoulder area
Thumb and forefingers behind front legs
Other hand place under hindquarters to support weight
Female = sow, male = bore (manual pressure can feel penis)
18-24 days weaning, 2-4 in litter
longest gestation period of lab aniamls of 63 days
Rats
Rattus norvegicus is most common rat = Brown Norway rat
Outbred = long evans (hood), sprague dawley (abino & tail and body same length) and Wistar (abino & tail shorter than body)
SD rats = temp- 35.9-37.5, HR 250 to 600, respiration 66-144,2.5 to 5.3 years life.
Water 24-60ml per day, or 1--12mL per 100 grams weight daily.
food 15-30 g per day, 5-6 per 100 grams weight.
IN bred = Lewis ( 1950w, dr. margaret from wistar stock &stz diabetes, tranplantation, arthritus, allergic encephalitis) and Fischer 344 = curits mr in 1920 columbia uni (aging, drug sfatey, multi purpose, surgical, oncology and nutrition.)
Gerbal
Stroke
Epilepsy
epileptic 20% of gerbals