Species Specific Parameters Flashcards by Ashley Ackert

Q

Estrous Cycle - Sow

A

17-25 days (Avg = 21d)

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Q

Ruminant (Cow, Ewe, Doe) Placentation

A

Cotyledonary Epitheliochorial (binucleate giant cells) Villous Nondeciduate

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Q

Estrus - Mare

A

4-7 days

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Q

Stage I Duration - Bitch

A

Pluriparous: < 1 day Maiden: may be > 1 day

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Q

Time of Ovulation - Doe (goat)

A

30-36 hrs frm onset of estrus

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Q

Gestation Length - Camelids

A

335-360 days

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Q

Primate Placentation

A

Discoidal

Hemochorial

Trabecular

Deciduate

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Q

Estrous Cycle - Doe (goat)

A

18-24 days (Avg = 21d)

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Q

Estrus - Cow

A

4-18 hours (Avg =10hr)

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Q

Camelid Placentation

A

Diffuse

Epitheliochorial

Villous

Nondeciduate

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Q

Time of Ovulation - Mare

A

24-48 hrs prior to end of estrus

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Q

Stage II Duration - Mare

A

30-60 minutes

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Q

Estrus - Doe (goat)

A

12-36 hours

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Q

Time of Ovulation - Sow

A

2/3 through estrus

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Q

Estrus - Ewe

A

24-36 hours

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Q

Time of Placental Takeover - Mare

A

100-120 days

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Q

Time of Ovulation - Cow

A

24-30 hrs from onset of estrus

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Q

Estrus - Sow

A

2-3 days

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Q

Gestation Length - Mare

A

320-360 days

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Q

Gestation Length - Cow

A

270-290 days

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Q

Time of Ovulation - Bitch

A

Usually 48-60hrs after LH peak

OVULATE PRIMARY OOCYTE

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Q

Gestation Length - Sow

A

114 days (3 mos, 3 wks, 3 days)

Q

Stage II Duration - Cow

A

15-90 minutes

Q

Stage I Duration - Mare

A

1-4 hours

Q

Estrus - Queen

A

2-19 days (Avg = 5-9d)

Q

Stage III Duration - Queen

A

4-42hrs (Avg = 16hrs)

(depends on litter size)

Q

Estrous Cycle - Ewe

A

14-20 days (Avg = 17d)

Q

Dog Placentation

A

Zonary

Endotheliochorial

Labyrinthine

Deciduate

Q

Time of Ovulation - Ewe

A

24-30 hrs from onset of estrus

Q

Estrus - Bitch

A

4-24 days (Avg = 9d)

Q

Estrous Cycle - Cow

A

18-24 days (Avg = 21d)

Q

Gestation Length - Doe (goat)

A

150 days

Q

Time of Ovulation - Queen

A

Induced ovulation 29-40hrs after induced LH peak

Q

Time of Ovulation - Camelids

A

24 hrs post-breeding

(Induced ovulators)

Q

Horse Placentation

A

Diffuse

Epitheliochorial

Microcotelydonary

Nondeciduate

Q

Cat Placentation

A

Zonary

Endotheliochorial

Labyrinthine

Deciduate

Q

Estrous Cycle - Mare

A

18-22 days (Avg = 21d)

Q

Time of Placental Takeover - Ewe

A

55-60 days

Q

Gestation Length - Bitch

A

57-72 days

Q

Gestation Length - Queen

A

63-71 days (Avg = 65d)

Q

Parturition Duration - Ewe

A

2-4 hours

Q

Parturition Duration - Doe (goat)

A

2-4 hours

Q

Stage I Duration - Camelids

A

2-6 hours

Q

Stage II Duration - Bitch

A

6-12hrs (depends on litter size)

Q

Time of Placental Takeover - Cow

A

150-250 days

Q

Stage II Duration - Camelids

A

8-25 minutes

Q

Stage I Duration - Cow

A

2-6 hours

Q

Mouse Placentation

A

Discoidal

Hemochorial

Labyrinthine

Deciduate

Q

Pig Placentation

A

Diffuse

Epitheliochorial

Folded

Nondeciduate

Q

Estrous Cycle - Queen

A

Proestrus: 0-2d

Estrus: 2-19d

Interestrus 8-10d-3wks

Pregnant Diestrus: 63-71d

Pseudopregnant Diestrus: 40-50d

Q

Estrous Cycle - Bitch

A

Non-pregnant: 60 days

Pregnant:

proestrus (9d)
estrus (9d)
pregnant diestrus (55-60d)

Q

Stages I & II Duration - Sow

A

2-5 hours

Q

Gestation Length - Ewe

A

148 days

Q

Stage III Duration - Sow

A

4hrs after last piglet is born