Reproduction and surgery Flashcards
Rabbit kit feeding
Normally fed once daily, often at night
Doe will go out to graze
Stress or disturbance can lead to abandonment or infanticide
Hand rearing rabbits and hares
Cat milk replacer ‘cimicat’
tend to have a guarded to poor prognosis
Unneutered behavioural problems in rabbits
Grumpy - split personality
territorial, hard to bond
biting and aggression
urine spraying
large dulap in females
Advantages of neutering rabbits
reduces aggression (both sexes)
reduces risk of adenocarcinoma
allows true pair to be kept together
eliminates sexual frustration
Disadvantages of neutering rabbits
Increases risk of obesity (if fed excessive concentrates)
reduces territory marking, so increasing filling of bladder and potential risk of cystitis/sludge
Uterine adenocarcinoma in rabbits
Very common in unspayed females (>3yrs)
primary may be small
Reproductive considerations in guinea pigs
Females may be pregnant when rehomed as hit puberty early
pelvis will fuse at 12mo at the latest
same sex groups can be kept together as long as there are none of the opposite sex around
Pregnancy toxaemia in guinea pigs
Obese sows late pregnancy or post part.
prognosis very poor, drop in glucose and increase in ketone production
Signs of pregnancy toxaemia in guinea pigs
Collapse
ketonuria
proteinuria
urinary pH acidic (normal for herbivore 8-8.5)
Treatment for pregnancy toxaemia in guinea pigs
Warm fluids, oral glucose, corticosteroids
Abortion/caesareans in guinea pigs
common if litter are large
single young may be very large
breeding post the pelvis fusing will require caesarean
Neutering guinea pigs
Herbivore abdomens can form adhesions
males have an open inguinal ring - scrotal or abdominal techniques
females may be spayed midline or flank, consider using haemoclips
Caesarean sections in chinchillas
always give birth in early hours of the day
single pups can be difficult
can get pregnancy toxaemia
Gestation periods of small furries
Chinchillas>degus>guinea pigs> rabbits/other rodents
Chinchilla is 111 days
Neutering chinchillas
Often requested to prevent more litters
All rodents have an open inguinal ring
do not allow sand bath for several days post surgery
Mammary tumours in small rodents
Usually benign in the rat
usually malignant in the mouse
hormonally driven
Pyometra in small rodents
common in syrian hamsters
care to distinguish from normal ‘in season’ discharge - smell is different and the discharge is purulent
Ovaries and uterus in small rodents
cystic ovaries fairly common in female hamsters
fresh blood in the urine in rats and mice often indicates a uterine tumour
Neutering small rodents
May be requested to prevent tumours
May be indicated to treat disease (ovarian/uterine)
may be indicated to reduce aggression
Control of oestrus in the ferret
Best option now: Suprelorin implant, lasts 2-3 years, avoids hyperadrenocorticism
Other options: jill jab- proligestone, vasectomised hob
Vasectomy in ferrets
Easier in mature ferrets
take as long a section as possible and crush and tie off both ends
send of removed sections for histo to check
will bruise post surgery so need good pain relief
Sugar gliders reproductive anatomy
The female sugar glider has two uteri and two vaginas that enter into a common pouch divided by a septum or membrane. Female gliders possess a pouch with four teats where their babies develop. The gestation period, or length of pregnancy, is about 15-17 days.