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Artificial insemination in Cats

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Artificial insemination in Cats

KORAY TEKIN

Ankara Üniversitesi, Veteriner Fakültesi

Reprodüksiyon ve Suni Tohumlama Anabilim Dalı

(2)

Hormonal Changes in the Queen

4 8 12 16

P4 E2

Weeks Estrus

4 8 12 1 6

2 0

P4 E2

(9 days)

Queen in Estrus (no mating)

Proestrus Proestrus

Pregnancy Parturition

Lactation

Mating

Mating

(3)

Proestrus

Estrogen increases due to follicular development

Estrus

Estrogen high until ovulation

Ovulation 27 hr after mating (vaginal stimulation)

Diestrus

No Cl if mating does not occur, so no diestrus

Cl produces progesterone (63 days, peak day 20)

If pregnancy does not occur or fails, CL life only 1/2 that seen in pregnancy.

Hormonal Changes in

the Queen

(4)

Mating

Queens call or vocalize (low moaning sound)

Owners may think a sign of illness During mating

Tom bites neck female

With erection penis faces forward

(5)

Erection and

Mating

(6)

• Queens call or vocalize (low moaning sound) Owners may think a sign of illness

• During mating

Tom bites neck female

With erection penis faces forward Only lasts 30 seconds to 5 minutes

As male dismounts female gives a loud copulatory call and Tom retreats

Mating occurs 6 - 7 times until queen declines

May occur for up to 4 days

(7)

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