Rat Flashcards
rat incisors: which are longer lower or upper?
lower
gnaw vs chew
gnaw: mandible move forward, molars don’t oppose
chew: lower incisors behind upper, friction on molars
what is red tears
porphyrin from Harderian glands (between ear and eye)
*can occur during stress, disease
incisor malloclusion - what is most common
traumatic loosening/fracture
what to do for incisor malloclusion
burr with GA
Parker’s Rat Virus (corona, “mumps”) pathology?
rhinitis –>
inflammation –>
epithelial necrosis –>
swelling of glands
tx for rat mumps
resolves within a month (healing starts after a week)
signs of rat mumps
conjunctivitis
corneal ulcer
eye testing for rat mumps
Phenol Red Thread Test or
Fluorescein dye
what is Legg-Calve-Perthes Dx? predisposing factor?
Avascular necrosis of the femoral head.
standing on back legs
most common neuro dx in rats
Radiculoneuropathy
(loss of tail/urinary control, muscle wastage and paresis starting w hind limbs –> full paralysis)
management for radiculoneuropathy
Soft bedding
Low hammocks/food
Clean urine scald
NSAID
mammary tumors in rats are malignant or benign
80% benign (fibroadenoma)
if mammary tumors aren’t removed –> what can you get
mechanical alopecia
ulcer
secondary infection
self trauma
prevention of mammary tumors?
spay females
deslorelin implant
early surgery
3 main resp pathogens
Mycoplasma pulmonis
Steptococcocus pneumoniae
Corynebacterium kutscheri
chronic resp dx (CRD) is caused by ____. describe.
mycoplasma pulmonis.
wax and wane for 2+ years, commonly seen in groups
CRD signs
nasal discharge
bubbly resp
sneeze/cough/dyspnea
lethary
poor coat
does CRD lead to secondary infections
it can, yes
tx for CRD (treating bronchitis)
bronchodilators (salbutamol)
doxycycline
bacterial pneumonia is caused by ____. which age gets this?
streptococcus pneumoniae.
young.
signs of bacterial pneumonia
sudden death in young.
dyspnea, nasal discharge in old
tx for bacterial pneumonia
penicillin or amoxi clav
+ meloxicam
+ supportive
which mucolytic to use
bromhexine
tx for mites
ivermectin
what is ulcerative dermatitis
staph aureus infection (can occur w self trauma from mites)
Tropical Rate Mite tx
*zoonotic
fipronil in environment
ivermectin on rats
is chronic progressive nephrosis common
yes
signs of CPN
PUPD
weight loss
anorexia
lethargy
Dx for CPN
proteinuria
high creatinine and BUN
renal US
diet changes for CPN
low protein
which analgesia for CPN
paracetamol
