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Veterinary Nursing > Reproductive System > Flashcards

Reproductive System Flashcards

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1
Q

Species that are spontaneous ovulators?

A

Dogs and Guinea Pigs

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2
Q

Bitches are?

A

Spontaneous Ovulators, Monoestrus

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3
Q

Monoestrus?

A

One oestrus cycle per breeding season

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4
Q

Anoestrus?

A

No hormones/clinical signs

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5
Q

How long does anoestrus last?

A

3-9mo (5mo avg)

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6
Q

Pro-oestrus?

A

Follicles in ovary enlarge and become mature
Signs - vulva enlarges, blood stained mucous discharge.
Dominant Hormone is FSH.

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7
Q

How long does pro-oestrus last?

A

5-11d (avg 9d)

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8
Q

Oestrus?

A

Follicles rupture, ova released.
Signs - discharge less blood stained
Dominant Hormone - Oestradiol, LH

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9
Q

How long does oestrus last?

A

7-10d (avg 9d)

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10
Q

Metoestrus?

A

Corpus Luteum starts to form at site of ruptured follicle
Signs - discharge decreases, vulva reduced in size
Dominant Hormone - Progesterone

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11
Q

How long does metoestrus last?

A

5-15d

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12
Q

Dioestrus?

A

Corpus Luteum established or if ova has been fertilised and pregnancy is established.
Signs - uterine size increased if pregnant, mammary gland development towards end, can cause signs of false pregnancy
Dominant Hormones - Progesterone, Prolactin (if pregnant)

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13
Q

Length of dioestrus?

A

6-7w

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14
Q

Queens are?

A

Seasonally polyoestrus, induced ovulators

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15
Q

How many oestrus periods do queens have per year?

A

2 to 4

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16
Q

What factors determine when mating season starts?

A
  • Presence of a male

- Length of daylight

17
Q

Queens Cycle if unmated?

A

Pro-oestrus, Oestrus, Interoestrus

18
Q

Queens cycle if mated?

A

Pro-oestrus, oestrus, pregnancy

19
Q

Pseudopregnancy cycle?

A

Pro-oestrus, oestrus, metoestrus, interoestrus, asoestrus

20
Q

Order of hormones for a mated queens oestrus cycle?

A

FSH, Oestrogen, LH, Progesterone

21
Q

Pseudocyesis?

A

False Pregnancy

22
Q

At what period of oestrus does the corpus luteum form?

A

Metoestrus

Veterinary Nursing (31 decks)

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