Secondary and Tertiary Species - Pertinent Biology and Husbandry Flashcards
Mongolian gerbil species name
Meriones unguiculatus
Gerbil research uses
Cerebral infarction following unilateral ligation of common carotid artery
Epilepsy - spontaneous
Auditory
Parasitic infection (esp. filarial nematodes Wuchereria bancrofti and Brugia malayi)
Rift valley fever
Gerbil ventral abdominal marking gland is androgen _______
Dependent
Gerbil adrenal gland comparative anatomy
3x size of rat adrenal in consideration of body weight
Gerbil gestation period
24-26 days (prolonged if lactating up to 27 days; if bred post-partum can be delayed 48 days)
Gerbil mating structure
Pair bonding (true monogamous?)
Gerbil weaning age
25 days (as early as 21d)
Gerbil response to >4% dietary fat
Hypercholesterolemia
Gerbil substrate husbandry requirement
Sand bathing
Gerbil oxyurid
Dentostomella translucida
Gerbil estrus cycle length
4-6 days
Guinea pig scientific name
Cavia porcellus
Guinea pig number of digits on feet
4 on forefeet
3 on hind feet
Guinea pig number of mammary gland pairs
1 (inguinal)
Guinea pig diploid number
2n=64
Guinea pig daily food consumption
6g/100g body weight
Guinea pig daily water consumption
10 mL/100g body weight
Guinea pig unique leukocyte
Foa-Kurloff cell
Estradiol dependent
Primarily in thymus, spleen, liver, lungs
Increased numbers in circulation in pregnancy + present in placenta (roll in preventing maternal rejection?)
NK activity
Large mucopolysaccharide intracytoplasmic inclusion body
Guinea pig response to corticosteroid injections
Relatively resistant; numbers of lymphocytes not markedly reduced
Similar to ferret and primates
Guinea pig thymic anatomy
Accessory thymic islets in fascia - hard to remove completely surgically
No afferent lymphatic vessels
Guinea pig dental formula
1/0/1/3
Guinea pig tooth roots
All are hypsodontic
Guinea pig palatal ostium
Access to esophagus and trachea; small; makes intubation challenging
Guinea pig respiratory
Airyway hyperresponsiveness resembles human