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30 Cards in this Set
- Front
- Back
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Describe the bitches oestrus cycle |
monestrus non seasonal spontaneous polytocous |
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Describe the queens oestrus cycle |
seasonal polyoestrus induced ovulators |
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What age should a bitch be mated? |
after third season |
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What are the phases of a bitches cycle? |
POMA pro-oestrus oestrus metoestrus (or preg) anoestrus PO - in season |
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When does the bitch ovulate? |
1-3 days after start of signs of oestrus day 12 of the cycle (during oestrus) |
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when is puberty in a bitch? |
average 6-9 months range 5-24 |
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When is puberty in the queen? |
5-9 months range 4-18 |
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When is oestrus in the queen? |
dependent on increaseing hours of dayligh --> first oestrus usually spring following birth continually cycles from spring to autumn |
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How often does the bitch ovulate? queen? |
B - every 6 month Q - every 2 weeks during the breeding period |
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When does the bitch ovulate? |
induced - 24 hours after mating in response to LH surge |
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When is puberty in the dog and tom? |
6-12 months |
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When should cryptorchidism be diagnosed? |
at 12 weeks when testicle/testes not descended |
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When will a bitch accept a male? |
oestrus, will be aggressive in proOE |
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When can pregnancy be determined in the bitch> |
4 weeks with US or abdominal palpation |
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What is the sign that young will be born in 30 mins for cats and birches? |
B - amnion seen at vagina Q- straining startss |
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What is important to monitor with bitch deliveries? |
TEMPERTURE - will drop as first sign of pregnancy - if drops then goes back to normal with no signs of preg then problem!! |
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How does prolactin affect pregnancy? |
produced by anterior pituitary at day 25 in response to decreasing progesterone - luteotrophic and supports CL to keep PG levels high |
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When would a false pregnancy occur in the bitch? |
6-8 weeks after oestrus (same as welping) |
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What are some signs on a false preg? |
- aggression - adopting toys - anorexia - vulvar discharge - milk production and mastitis - mammary hypertrophy - mournfullness - nesting behaviour |
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What are the endocrine levels in a FP? |
progesterone is high post ovulation in pregnant and non pregnant bitch by luteotrophic actions of prolactin on the CL, some bitches just react more severely to it--> behavioural changes prolactin |
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treatment for FP |
do not treat mild and transient signs - self limiting if severe/aggressive signs - cabergoline (Galastop) is given orally for few days |
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What drug is given to FP? |
cabergoline (galastop) --> inhibits prolactin by acting on anterior pituitary dopamine R (prolactin falls --> PG declines --> luteal phase ends --> anoesturs and normal behaviour) |
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when should bitches prone to FP be spayed> |
around 3 months post season if spayed in FP PG levels fall which stimulates prolactin to increase PG levels |
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describe a queens FP |
mate and ovulate/spontaneous ovulation -->progesterone levels high in luteal phase (for about 6 weeks) --> no behavioural signs but can get mammary hyperplasia |
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What medicine is used to terminate bitch pregnancies? how does it work? |
aglepristone (progesterone antagonist) - block PG receptors on uterus, blood levels normal - up to 45 days - oestrus returns in less than 6m |
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What drug can suppress or terminate oestrus? |
delvosterone tradname proligestone |
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A dog comes in, 3 mo, with purulent vaginal discharge but otherwise seems fine. What is the most likely DDx? treatment? |
juvenile vaginitis - common - self resolve with first season - AB NO USE, clean and wipe |
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A 4 yo NMF comes in to the practice with persistant vaginal discharge , but is otherwise fine. What is the most likely dx? Treatmetn? |
Vaginitis - ABs - local treatment ie flushing |
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What will an ovarian cyst cause? treatment? |
follicular - secrete OE, prolonged proOE luteal - secrete PG, bitch doesnt come back into season OVH |
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What is the most common ovarian cancer in dogs? |
granulosa cell tumour |
