Difference between revisions of "Ferret Reproduction - Anatomy & Physiology"
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− | + | <big><center>[[Reproductive System|'''BACK TO REPRODUCTIVE SYSTEM''']]</center></big> | |
− | + | <big><center>[[Reproductive_System#Small_Domestic_Mammals|'''BACK TO SMALL DOMESTIC MAMMALS''']]</center></big> | |
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− | = | + | = MALE = |
− | + | * Male is known as the Hob. | |
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− | == | + | == Penis== |
− | * | + | * J-shapes os penis lies within the caudal section of the penis dorsal to the penile urethra. |
− | + | ** Supporting bone is the Baculum. | |
− | + | * Penis points cranially. | |
− | ** | + | * Opening of the prepuce is on the ventral abdomen. |
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− | == | + | == Testes == |
− | * | + | * Two testes carried externally in the scrotum. |
− | * | + | * Sexual maturity is usually reached during the first spring after birth at about 4-8 months of age. |
− | * | + | * Once testes have descended, the inguinal canal closes and they are not able to be retracted. |
− | * | + | * Spermatogenic activity increases within the semniferous tubules of the testes from December-July. |
− | * | + | ** Testes become noticeably enlarged in preparation for the breeding season (March-August). |
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− | + | == Accessory Glands == | |
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* The only accessory sex gland is the '''prostate gland'''. | * The only accessory sex gland is the '''prostate gland'''. | ||
** A fusiform enlargement around the proximal part of the urethra at the neck of the bladder. | ** A fusiform enlargement around the proximal part of the urethra at the neck of the bladder. | ||
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+ | == Puberty and Sexual Maturity == | ||
* Males mate the year after they are born. | * Males mate the year after they are born. | ||
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− | + | ---- | |
− | = | + | = FEMALE = |
− | + | * Known as the Jill. | |
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− | == | + | == Reproductive Tract == |
− | * [[ | + | * [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology#Anatomical_Types_of_Uteri|Bicornuate uterus]] |
** Long uterine horns | ** Long uterine horns | ||
− | ** | + | ** No uterine body. |
− | + | * Vulva lies on the perineum, ventral to the [[Anus_-_Anatomy_%26_Physiology|anus]]. | |
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− | * Vulva lies on the perineum, ventral to the [[Anus_- | ||
** During the non-breeding season, it is small and slit-like. | ** During the non-breeding season, it is small and slit-like. | ||
** During oestrus it becomes swollen and resembles a small doughnut. | ** During oestrus it becomes swollen and resembles a small doughnut. | ||
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+ | == Puberty and Sexual Maturity == | ||
* Sexually mature at 6-8 months of age. | * Sexually mature at 6-8 months of age. | ||
* Females mate the year after they are born. | * Females mate the year after they are born. | ||
− | + | == Oestrous Cyclicity == | |
* Seasonally polyoestrus | * Seasonally polyoestrus | ||
** Breeding season is from March for 2-3 months. | ** Breeding season is from March for 2-3 months. | ||
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* Oestrus is shown by a swollen, pink vulva which regresses 2-3 weeks after mating. | * Oestrus is shown by a swollen, pink vulva which regresses 2-3 weeks after mating. | ||
* Induced ovulator | * Induced ovulator | ||
− | ** If mated, [[ | + | ** If mated, [[The_Ovary_-_Ovulation_-_Anatomy_%26_Physiology|ovulation]] occurs within 30-40 hours of coitus. |
** If not mated, may remain in continual oestrus for up to ~4 months. | ** If not mated, may remain in continual oestrus for up to ~4 months. | ||
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+ | == Copulation == | ||
* Initiated on the 14th day after the onset of vulval swelling. | * Initiated on the 14th day after the onset of vulval swelling. | ||
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− | + | == Gestation and Offspring == | |
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+ | * [[Reproductive_System#Gestation|Gestation]] period is 42 days. | ||
+ | * [[Female_Reproductive_Tract_-Placenta_Classification_-_Anatomy_%26_Physiology|Placenta]] is zonary | ||
* Average litter 8-10 kits, but can be as large as 18. | * Average litter 8-10 kits, but can be as large as 18. | ||
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Revision as of 07:59, 23 July 2008
MALE
- Male is known as the Hob.
Penis
- J-shapes os penis lies within the caudal section of the penis dorsal to the penile urethra.
- Supporting bone is the Baculum.
- Penis points cranially.
- Opening of the prepuce is on the ventral abdomen.
Testes
- Two testes carried externally in the scrotum.
- Sexual maturity is usually reached during the first spring after birth at about 4-8 months of age.
- Once testes have descended, the inguinal canal closes and they are not able to be retracted.
- Spermatogenic activity increases within the semniferous tubules of the testes from December-July.
- Testes become noticeably enlarged in preparation for the breeding season (March-August).
Accessory Glands
- The only accessory sex gland is the prostate gland.
- A fusiform enlargement around the proximal part of the urethra at the neck of the bladder.
Puberty and Sexual Maturity
- Males mate the year after they are born.
FEMALE
- Known as the Jill.
Reproductive Tract
- Bicornuate uterus
- Long uterine horns
- No uterine body.
- Vulva lies on the perineum, ventral to the anus.
- During the non-breeding season, it is small and slit-like.
- During oestrus it becomes swollen and resembles a small doughnut.
Puberty and Sexual Maturity
- Sexually mature at 6-8 months of age.
- Females mate the year after they are born.
Oestrous Cyclicity
- Seasonally polyoestrus
- Breeding season is from March for 2-3 months.
- Oestrus is shown by a swollen, pink vulva which regresses 2-3 weeks after mating.
- Induced ovulator
- If mated, ovulation occurs within 30-40 hours of coitus.
- If not mated, may remain in continual oestrus for up to ~4 months.
Copulation
- Initiated on the 14th day after the onset of vulval swelling.