ANSC 2303 EXAM 3 QUESTIONS WITH VERIFIED
ANSWERS
Queens - Answers - Female cats
Toms - Answers - Male cats
Puberty in queens - Answers - -Short haired queens: 4-9 months old and body weight of
5-6 lbs.
-long haired queens: 11-21 months old
Anestrus - Answers - seasonal absence of cycling activity that occurs during short
daylight hours (Oct.-Dec.)
Proestrus (1-2 days) - Answers - Increased estrogen. No outward signs or increase in
head/neck rubbing.
Estrus (2-19 days) - Answers - period of sexual receptivity.
-Vocalize to call males
-Crouch, tail held of to the side
-Rolling, head rubbing, treading with hind legs, tail deviation
Postestrus (8-10 days) - Answers - period between estrous cycles in queens that have
not ovulated (had to have bred to ovulate.) Decreased estrogen and no sexual behavior.
Diestrus - Answers - occurs in queens that have been induced to ovulate (had sexual
intercourse)
Non-pregnant queen - Answers - In diestrus: follicles luteinize and secrete progesterone
for 40 days
Pregnant queen - Answers - In diestrus: secrete progesterone for 60 days
End of Diestrus: - Answers - progesterone levels decrease and estrus follows in 7-10
days in a photoperiod with 14 hours of daylight.
Induction of Ovulation - Answers - Copulation (sexual intercourse) is followed by release
of GnRH from the hypothalamus. Gonadotropin induces a surge in the serum LH
resulting in ovulation.
Quantity of LH is correlated with the number of copulations. Max. LH release requires 8-
12 copulations.
Tom cat sexual maturity? - Answers - Reached at around 9 months old.
, Tom cat anatomy: Penis - Answers - ventral to the scrotum and is directed backwards.
has a band of 120-150 spines.
Tom cat anatomy: Testes - Answers - usually in scrotum at birth. Cryptorchidism (the
absence of one or both testes from the scrotum) is rare in cats
Tom cat reproductive Physiology - Answers - -LH stimulates testosterone secretion by
the testes.
-FSH stimulates secretion of estrogen by testes and also stimulates spermatogenesis.
When breeding cats, should the male come to the female or should the female be taken
to the male? - Answers - Female should be taken to the male.
How many queens can one tom cat be placed with? - Answers - 15-20 queens
T or F: A queen often mates with several males and can produce a litter sired by more
than one male. - Answers - True
Fertilized ova stay in the oviduct for - Answers - 5-6 days
Implantation occurs - Answers - 11-14 days post breeding
Gestation Length in Cats - Answers - 66 days for cats
(63 for dogs)
Abdominal palpations - Answers - from days 17-25
Radiographs can identify fetuses - Answers - after day 45
Parturition or (Queening for cats) - Answers - The action of giving birth
Signs of Pre-Labor - Answers - -restlessness
-pacing, panting
-nesting
Labor - Answers - when contractions begin, queen assumes a semi squatting position.
Allantochorion membrane - Answers - Water bag: this breaks when the kitten enters the
vagina
Appearance of head or feet: - Answers - should have a complete delivery in 3-5 min
Queening process - Answers - 4-42 hours with 14 being average
Breeds - Answers - 41 recognized breeds by The Cat Fanciers' Association (founded in
1906 in US)
ANSWERS
Queens - Answers - Female cats
Toms - Answers - Male cats
Puberty in queens - Answers - -Short haired queens: 4-9 months old and body weight of
5-6 lbs.
-long haired queens: 11-21 months old
Anestrus - Answers - seasonal absence of cycling activity that occurs during short
daylight hours (Oct.-Dec.)
Proestrus (1-2 days) - Answers - Increased estrogen. No outward signs or increase in
head/neck rubbing.
Estrus (2-19 days) - Answers - period of sexual receptivity.
-Vocalize to call males
-Crouch, tail held of to the side
-Rolling, head rubbing, treading with hind legs, tail deviation
Postestrus (8-10 days) - Answers - period between estrous cycles in queens that have
not ovulated (had to have bred to ovulate.) Decreased estrogen and no sexual behavior.
Diestrus - Answers - occurs in queens that have been induced to ovulate (had sexual
intercourse)
Non-pregnant queen - Answers - In diestrus: follicles luteinize and secrete progesterone
for 40 days
Pregnant queen - Answers - In diestrus: secrete progesterone for 60 days
End of Diestrus: - Answers - progesterone levels decrease and estrus follows in 7-10
days in a photoperiod with 14 hours of daylight.
Induction of Ovulation - Answers - Copulation (sexual intercourse) is followed by release
of GnRH from the hypothalamus. Gonadotropin induces a surge in the serum LH
resulting in ovulation.
Quantity of LH is correlated with the number of copulations. Max. LH release requires 8-
12 copulations.
Tom cat sexual maturity? - Answers - Reached at around 9 months old.
, Tom cat anatomy: Penis - Answers - ventral to the scrotum and is directed backwards.
has a band of 120-150 spines.
Tom cat anatomy: Testes - Answers - usually in scrotum at birth. Cryptorchidism (the
absence of one or both testes from the scrotum) is rare in cats
Tom cat reproductive Physiology - Answers - -LH stimulates testosterone secretion by
the testes.
-FSH stimulates secretion of estrogen by testes and also stimulates spermatogenesis.
When breeding cats, should the male come to the female or should the female be taken
to the male? - Answers - Female should be taken to the male.
How many queens can one tom cat be placed with? - Answers - 15-20 queens
T or F: A queen often mates with several males and can produce a litter sired by more
than one male. - Answers - True
Fertilized ova stay in the oviduct for - Answers - 5-6 days
Implantation occurs - Answers - 11-14 days post breeding
Gestation Length in Cats - Answers - 66 days for cats
(63 for dogs)
Abdominal palpations - Answers - from days 17-25
Radiographs can identify fetuses - Answers - after day 45
Parturition or (Queening for cats) - Answers - The action of giving birth
Signs of Pre-Labor - Answers - -restlessness
-pacing, panting
-nesting
Labor - Answers - when contractions begin, queen assumes a semi squatting position.
Allantochorion membrane - Answers - Water bag: this breaks when the kitten enters the
vagina
Appearance of head or feet: - Answers - should have a complete delivery in 3-5 min
Queening process - Answers - 4-42 hours with 14 being average
Breeds - Answers - 41 recognized breeds by The Cat Fanciers' Association (founded in
1906 in US)