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WorksheetsComparative Repro
Total questions: 82
Worksheet time: 3hrs 44mins
period of follicular growth, repro tract preparation, precedes estrus and ovulation
estrus
metestrus
proestrus
diestrus
period of sexual receptivity; shortly precedes or encompasses ovulation
proestrus
estrus
metestrus
diestrus
period of development of corpus luteum; immediately follows ovulation
proestrus
metestrus
estrus
diestrus
corpus luteum matures, inhibition of ovulation; terminates luteolysis
proestrus
estrus
metestrus
diestrus
bovine estrous cycle length
21 days
12 days
21 hours
28 days
Maternal recognition of pregnancy
interferon tau
endometrium under influence or progesterone
prevents luteolysis
stimulates luteolysis
interferon gamma
Bovine gestation length
375 days
21 days
340 days
285 days
during a transrectal ultrasound on a bovine- what days are we able to see a properly visible embryo?
30 days
19-24 days
15 days
21-25 days
during a bovine transrectal ultrasound- at what day range is a fetal heartbeat detectable
19-24 days
30-34 days
21-25 days
40+ days
BOVINE: amnion surrounds fetus, provides nutrition and protection
fused allantochorion surrounds amniotic cavity and collects waste
syndesmochorial, cotyledonary
endotheliochorial, zonary
syndesmochorial, zonary
endotheliochorial, cotyledonary
resumption of cyclicity postpartum in dairy cattle
15-45 days
30-130 days
60-160 days
25-75 days
resumption of cyclicity postpartum in beef cattle
15-45 days
30-130 days
60-160 days
25-75 days
what type of ovulators are camelids
cyclic ovulators
induced ovulators
bi cyclic ovulators
polyovulatory
Seminal nerve growth factor is the ovulatory stimulus for South American- it induces a LH peak _____ hour(s) post mating -> ovulation ____ hour (s) post mating
30 hrs, 2-3 hrs
1-2 hrs, 16 hrs
2-3 hrs, 30 hrs
16 hrs, 1-2 hrs
Epidermal membrane (SACs)
thin, translucent tissue covering cria at birth
thick, opaque tissue covering the cria at birth
fused to musculocutaneous junctions (eyes, notes, anogenital areas)
fused to cria at all surfaces
Small rmt female reproductive organs
short bicornuate uterus
tortious cervix
super tight curling of uterine horns- estrus
unwound horns during diestrus
super tight curling of uterine horns- diestrus
unwound horns during estrus
muscular cervix
Male Sm rmt repro
large testicular size in comparison to body size
fibrocartilaginous penis
musculocavernous penis
urethral process
small testicular size in comparison to body size
When does a ram hit puberty
8-10 months
1 year
3-4 months
5-7 months (6 months)
Ram spermatogenic cycle length?
47 days
3 days
6 months
36 days
epidydimal reserve for a ram is ___ days and __ days for a buck
6, 2
5.5, 3
3, 5.5
2, 6
Ewes/does cyclicity?
short day
seasonal
long day
polyestrus
monoestrus
Ewe estrous cycle length
21 days
17 days
12 days
9 days
Doe estrous length
21 days
17 days
15 days
9 days
ovulation in does and ewes
12 hours after onset of estrus
36 hours after onset of estrus
17 hours after onset of estrus
24 hours after onset of estrus
Small ruminants are
seasonal breeders
nonseasonal breeders
Important factors for melatonin release/inhibition
intensity of light hitting the retina
temperature outside
duration of stimulus
feed intake
effect of RFRP-3 on kisspeptin neurons
long day= excitatory
long day -inhibitory
short day = excitatory
short day- inhibitory
Sm rmt and bovine MRP molecule
interferon tau for both
progesterone, interferon tau
interferon tau, progesterone
progesterone for both
transrectal ultrasound in small ruminants where you can see the vesicle, embryo proper, and heartbeat
15-20 days
21-26 days
25-30 days
40-50 days
transrectal ultrasound in small ruminants where you can determine the number of fetuses
70 + days
25-30 days
40-50 days
55-60 days
Abdominal radiographs in small ruminants where you can visualize fetal skeletons
70+ days
50+ days
80+ days
40+ days
Blood tests to determine the pregnancy associated glycoproteins and "bovine" specific protein B are definitive at what age?
day 60
day 30
day 10
day 40
Swine female repro tract
interdigitating pads in cervix
muscular cervix
long bicornuate uterine horns
short bicornuate uterine horns
larger uterine body in comparison to other species
Swine broad ligament
lacks an ampulla
lacks a mesosalpinx
starts off as strong and fibrous and becomes flimsy and transparent with each pregnancy
starts off as a flimsy, transparent structure that become strong and fibrous with each pregnancy
the accumulation of androstenone in fat affects swine in particular and is often known as?
low bicarb causing diarrhea
boar taint
sow taint
PRRs
secondary sex characteristics of a boar
frothing- hypersalivation from chomping jaw rapidly
development of horizontal testicular orientation
smegma from the prepuce
at 10-11 months of age- high testosterone begins to be converted within the submaxillary salivary glands to ?
5 alpha aldosterone
5 alpha androstenal
3 alpha and 2 beta androstenol
2 alpha and 3 beta androstenol
Time to reach puberty in a sow
6 months
11 months
18 months
9 months
Sow cyclicity
non-seasonal
seasonal
polyestrus
monoestrus
ployovulatory
Estrous cycle length sow
17 days
5-7 days
81 days
21 days
sow ovulation
12 hours after estrus
24-36 hrs after estrus
5-7 days after estrus
16 hours after estrus
Oxytocin is produced in the ______ and secreted into the blood via the ____________ pituitary
posterior pituitary, posterior
hypothalamus, posterior
hypothalamus, anterior
anterior pituitary, anterior
MRP signaling molecule in swine
progesterone
interferon tau
estrogen
interferon gamma
Species with the largest bulbourethral glands (2)
swine
canine
bovine
equine
______ induces coagulation of seminal plasma in combination with secretions from vesicular glands. Allows early breeding male to block further entry of sperm from other males
mucin
cialomucinogen
sialomucin
mucinex
Equine puberty
11 months
6 months
18 months
9 months
Equine cyclicity
long day
seasonal
polyovulatory
monoovuatory
polyestrous
Equine estrous cycle
5-7 months
80 days
12 days
21 days
Equine ovulation
24-48 hrs before the end of estrus
12 hrs after estrus
16 hrs after estrus
16-20 hrs before the end of estrus
clitoral body (found in clitoral fossa) in mares is prominent within ________ and can be easily everted for examination
dorsal vaginal vestibule
ventral commissure of vulva
dorsal commissure of vulva
ventral vaginal vestibule
Common sites for colonization of T. equigenitalis (pathogen commonly associated with equine metritis)
urethral sinus
fornix
ventrally located clitoral sinuses
dorsally located clitoral sinuses
the ovaries and uterus change in response to the seasons- during the breeding (summer) season what are characteristic?
small firm ovaries
large ovaries
no uterine tone
uterine tone
regular ovulation and follicular growth
The mare must be exposed to at least ____ of light per day for 30-60 days to induce ovarian activity. 1st ovulation marks transition from spring to summer period and occurs ________ days following the initiation of extended day length.
16 hrs, 60-90 days
16 days, 40 days
12 hrs, 60-90 days
12 days, 40 days
Length of estrus in mares
16 hours
9 days
5-7 days
30 hours
diestrus in the horse
16 hours
4 months
23 days
14-15 days
how long should stage 2 of parturition last in a horse
1 day
4 min
<30 min
3 hours
how long should stage 3 of parturition (horses)
30 min
< 3 hours
<3 min
1 day
Estrus characteristics of palpation in equine
softening/shortening of uterus
high uterine tone
taut/ lengthening of uterus
low uterine tone
diestrous characteristics equine (palpation)
large corpus hemorrhagicum
tight and tubular
soft and shortening
14-15 days
During days 35-120- what is in charge of maintaining a pregnancy in equine?
primary/ovulatory CL
estrogen
secondary/accessory CL
placenta
puberty for canine
11 months
6 months
18 months
21 days
puberty for cat
18 months
5-7 months
11 months
6-8 months
Canine cyclicity
non-seasonal
seasonal
polyestrous
polyovulatory
monoestrous
feline cyclicity
seasonal
nonseasonal
polyestrous
polyovulatory
monoestrous
Canine estrous cycle
81 days
21 days
5-7 days
9 days
Feline estrous cycle
5-7 days
81 days
21 days
6-57 days
Canine estrous stage
40-55 hours
30 hours
9 days
5-7 days
Feline estrous stage
30 hours
8 days
40-55 hours
5-7 days
ovulation in canine
16 hours after estrus
2 days after the onset of estrus (defined be LH surge
2 hours after the onset of estrus (defined by the LH surge)
6 hours after the onset of estrus
placentation dog and cat type
endotheliochorial
syndesmochorial
zonary
cotyledonary
canine gestation length
3 months 3 weeks 3 days
45 days
63-65 days
55-60 days
feline gestation length
222 days
3 months 3 weeks 3 days
70-73 days
60-63 days
Maintenance of canine and feline pregnancy
canine- CL and placental
feline- CL
canine: primary, secondary CL and placenta
feline- CL and placenta
canine- CL
feline- CL and fetal membranes
canine- interferon tau
feline- primary and secondary CL
Canine and feline abdominal ultrasound where small embryonic vesicles are visible
day 21
day 12
day 15-17
day 25
canine and feline embryo proper and fetal heartbeats upon abdominal ultrasound
day 21
day 28
day 16
day 43
canine "string of pearls" is palpable
Day 15-17
Day 57
Day 28
Day 34
feline string of pearls is palpable
day 31
day 25-28
day 15-17
day 21
What day for canine and feline is relaxin in the blood test visible and pregnancy available
37
15-17
21
31
canine abdominal radiographs
day 42- fetal skeleton
day 55+- fetal skull
day 42- fetal skull
day 55+ fetal skeleton
day 37 fetal skull
day 45+ fetal skeleton
day 37 fetal skeleton
day 45+ fetal skull
feline abdominal radiographs
day 42- fetal skull
day 55+ fetal skeleton
day 42 fetal skeleton
day 55+ fetal skull
day 37 fetal skull
day 45+ fetal skeleton
day 37 fetal skeleton
day 45+ fetal skull
In the dog and cat- the placenta comes out after each individual birth
true
false
In swine- the placenta comes out after all piglets have been delivered
True
False
