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Study sets matching "theriogenology"

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Study sets matching "theriogenology"

101 terms
Theriogenology
Equine: What are the 2 types of anovul…
Equine: Describe folliucular anovulato…
Equine: Describe luteal follicles
Equine: True or false- anovulatory fol…
1. Follicular ... 2. Luteal
lumen remains filled with follicular fluid
Lumen infiltrated with echogenic particles--> fibrin strands-…
FALSE- older mares
Equine: What are the 2 types of anovul…
1. Follicular ... 2. Luteal
Equine: Describe folliucular anovulato…
lumen remains filled with follicular fluid
63 terms
Theriogenology
Length of cow gestation
Length of time you have to breed a cow…
Length of calving season
Time to wean calfs of cows
283 days
82 days
65 days
205 days (7 months)
Length of cow gestation
283 days
Length of time you have to breed a cow…
82 days
50 terms
Theriogenology
Proestrus
Estrus
Metestrus
Diestrus
Immediately precedes estrus, follicular growth and regression…
Period of acceptance of the male... Cow: increased mucus/bull st…
Immediately follows estrus... Cow: reduced secretions, serosangu…
Period of corpus luteum development, follicles may be growing…
Proestrus
Immediately precedes estrus, follicular growth and regression…
Estrus
Period of acceptance of the male... Cow: increased mucus/bull st…
428 terms
Theriogenology
What are the six layers between the sc…
What is the structure surrounding a lo…
What are three major abnormalities of…
What might cause inflammation of the s…
Tunica dartos, Scrotal fascia, Parietal vaginal tunic, Vagina…
Tunica vasculosa and seminiferous tubules, respectively.
Inflammation, trauma and inguinal hernia
Mange and ticks
What are the six layers between the sc…
Tunica dartos, Scrotal fascia, Parietal vaginal tunic, Vagina…
What is the structure surrounding a lo…
Tunica vasculosa and seminiferous tubules, respectively.
54 terms
Theriogenology
Endocrine Control
Neural Control
Half-life
Half-life for LH
Gland; slower, but lasts longer
Nerves; faster, but short lived
time required for half the hormone to disappear
20-30 minutes
Endocrine Control
Gland; slower, but lasts longer
Neural Control
Nerves; faster, but short lived
Theriogenology
the study of the coming into being of…
Stage 1 bovine parturition
Stage 2 bovine parturition
Stage 3 bovine parturition
theriogenology
2-24 hours... relaxation and dilation of the cervix... abdominal di…
2-8 hours... Cervix dilated and calf enters the pelvis... strong ab…
expulsion of the placenta
the study of the coming into being of…
theriogenology
Stage 1 bovine parturition
2-24 hours... relaxation and dilation of the cervix... abdominal di…
Theriogenology
Theriogenology
Gestion
Partition
Lactation
Science of dealing with animal reproduction
Length of pregnancy
Act of giving birth
Milk produced stimulated by hormal changes
Theriogenology
Science of dealing with animal reproduction
Gestion
Length of pregnancy
22 terms
Theriogenology
Mastitis
Metritis
Metritis can entail
Metritis is characterized by
Infection of mammary glands
Uterine disease following post partum
Retained placenta and retained fetuses
Red brown discharge
Mastitis
Infection of mammary glands
Metritis
Uterine disease following post partum
128 terms
Theriogenology
Define oestrous cycle.
Where is the ovarian medulla located i…
Where is the ovarian cortex located in…
Describe the appearance of a follicle.
Period from beginning of one oestrus to the next, or from one…
Central part of ovary, comprised of vasculature, nerves and l…
Outer part of ovary below tunica albuginea, contains oocytes.
Oocyte surrounded by follicular cells, appear as blisters on…
Define oestrous cycle.
Period from beginning of one oestrus to the next, or from one…
Where is the ovarian medulla located i…
Central part of ovary, comprised of vasculature, nerves and l…
15 terms
Theriogenology
What hormones are made in the posterio…
What hormones are made in the anterior…
Where is prostaglandin made?
What are 2 functions of prostaglandin?
Oxytocin
FSH, LH, Prolactin
Uterus
1) Lysis of corpus luteum (luteolysis) and cessation of proge…
What hormones are made in the posterio…
Oxytocin
What hormones are made in the anterior…
FSH, LH, Prolactin
86 terms
Theriogenology
What does GnRH cause the release of?
What is the definition of puberty?
What factors influence the onset of pu…
How can a producer cause earlier puber…
LH and FSH
Age at which pregnancy can safely be supported
Age... Nutrition... Season... Climate... Disease
breed to select for early puberty
What does GnRH cause the release of?
LH and FSH
What is the definition of puberty?
Age at which pregnancy can safely be supported
21 terms
Theriogenology
Positive feed back from what hormone c…
Maternal recognition of pregnancy in t…
Why are the folds of cranial vagina im…
Dominant follicle produces what hormone?
Estrogen
migration of embryo from horn to horn
Stages the dogs estrus cycle
Estrogen
Positive feed back from what hormone c…
Estrogen
Maternal recognition of pregnancy in t…
migration of embryo from horn to horn
150 terms
Theriogenology
Equine Oestrus Cycle Length
Bovine Oestrus Cycle Length
Canine Oestrus duration
Canine Proestrus duration
21 days
21 days
9 days
9 days
Equine Oestrus Cycle Length
21 days
Bovine Oestrus Cycle Length
21 days
59 terms
Canine Theriogenology
Interestrous period
Canine Luteal Phase
Diestrus
Anestrus
time from beginning of estrus to next estrus... (ave: 7 months)…
progesterone phase - pregnancy/psudopregnancy
pregnancy or psedopregnancy
period of quiescence
Interestrous period
time from beginning of estrus to next estrus... (ave: 7 months)…
Canine Luteal Phase
progesterone phase - pregnancy/psudopregnancy
162 terms
Theriogenology Exam
The cervix will be tight, dry and dull…
18-21 days post ovulation
It should be closed, tight, firm and e…
30-40mm
If the mare is pregnant and we perform a vaginal speculum exa…
When is it common to "spec" a mare post ovulation or breeding?
When we palpate 16-18 days post breeding and ovulation, if th…
At day 20 of pregnancy, how large is the vesicle?
The cervix will be tight, dry and dull…
If the mare is pregnant and we perform a vaginal speculum exa…
18-21 days post ovulation
When is it common to "spec" a mare post ovulation or breeding?
18 terms
Theriogenology drugs
Megestrol acetate
CIDR
Melengestrol acetate
Alizine (aglepristone)
Estrus suppression in dogs/cats... Pregnancy maintenance in hypo…
It is a intravaginal device which releases progesterone overt…
Progesterone feed additive for estrus synchronization in catt…
Progesterone antagonist... Blocks progesterone receptors... Used fo…
Megestrol acetate
Estrus suppression in dogs/cats... Pregnancy maintenance in hypo…
CIDR
It is a intravaginal device which releases progesterone overt…
28 terms
Theriogenology Summary
1 - 6-12 hours; 2 - 4 hours; 3 - 6 hours
1 - 4 hours; 2 - 15-20 mins; 3 - 1 hour
1 - 6-12 hours; 2 6-24 hours; 3 - 5-15…
Devon Rex. 20%.
How long is stage 1, stage 2 and stage 3 in the bovine?
How long is stage 1, stage 2 and stage 3 in the equine?
How long is stage 1, stage 2 and stage 3 in the equine?
What cat breed is this? And what is its incidence of dystocia?
1 - 6-12 hours; 2 - 4 hours; 3 - 6 hours
How long is stage 1, stage 2 and stage 3 in the bovine?
1 - 4 hours; 2 - 15-20 mins; 3 - 1 hour
How long is stage 1, stage 2 and stage 3 in the equine?
Theriogenology 5
Testicular hypoplasia
Normal sperm for 1 week... Spermatocytes…
Thermal damage... Immune mediated orchiti…
Anabolic steroids... Progesterone/progest…
The testicles in a mature or maturing animal are small or tes…
How do various maturities of sperm respond to thermal damage.?
What are the causes of testicular hypoplasia?
What iatrogenic hormones may cause hypoplasia?
Testicular hypoplasia
The testicles in a mature or maturing animal are small or tes…
Normal sperm for 1 week... Spermatocytes…
How do various maturities of sperm respond to thermal damage.?
Theriogenology 2
Blood
Urethritis... Infection
Brown
Rent communicating with the corpus spo…
Pink of red semen usually indicates the presence of ___.
...
A semen collection without washing can yield semen that is a…
What can yield frank blood in the semen?
Blood
Pink of red semen usually indicates the presence of ___.
Urethritis... Infection
...
9 terms
Feline Theriogenology
Type of reproduction of cats
The effect of multiple breedings on ov…
Gestation period of cats
Pseudopregnancy length
Induced ovulators (breeding causes reflex release of LH from…
4 or more breedings - 100% ovulation
9 weeks (~63 days)
40-45 days... only if stimulated
Type of reproduction of cats
Induced ovulators (breeding causes reflex release of LH from…
The effect of multiple breedings on ov…
4 or more breedings - 100% ovulation
Theriogenology 3
Obligate protozoal parasite
True
Older bulls
Fecal contaminiation
Describe tritrichomonas fetus
T/F: Females can develop immunity to trichomoniasis and conce…
___ bulls can become chronic carriers of thichomoniasis.
What may gave a false positive for thrichomoniasis?
Obligate protozoal parasite
Describe tritrichomonas fetus
True
T/F: Females can develop immunity to trichomoniasis and conce…
Theriogenology 4
Median septum (raphe)
Tunica dartos
Parietal vaginal tunic
Parietal peritoneum
What separates the left and right halves fo the scrotum?
What smooth muscle is deep to the skin in the scrotum?
Internal-most layer of the scrotum
The parietal vaginal tunic is continuous with ___ ___
Median septum (raphe)
What separates the left and right halves fo the scrotum?
Tunica dartos
What smooth muscle is deep to the skin in the scrotum?
29 terms
Theriogenology_ Males
What species are breeding soundness ex…
What does a BSE entail?
What do you check in an external genit…
Where do you measure scrotal circumfer…
- beef bulls... - used as prediction of fertility in pasture ... -…
- physical examination... - scrotal circumference (only in pendu…
- penis and prepuce... - testes and scrotum... - epididymides and s…
- cm... - testes manually pulled down completely and measure aro…
What species are breeding soundness ex…
- beef bulls... - used as prediction of fertility in pasture ... -…
What does a BSE entail?
- physical examination... - scrotal circumference (only in pendu…
117 terms
Theriogenology_ Bovine
What is the cycle length?
What is the length of estrus?
What is the length of diestrus?
What is the length of metestrus?
21 days (18-24)
- 24 hours... - dairy cow= 7 hours... - beef cows= 12-18 hours
14 days
3-4 days
What is the cycle length?
21 days (18-24)
What is the length of estrus?
- 24 hours... - dairy cow= 7 hours... - beef cows= 12-18 hours
50 terms
Bovine Theriogenology
What is proestrus?
What happens as the luteal gland regre…
What role does increased estradiol dur…
What do follicular dynamics during pro…
Initial portion of follicular phase that begins with structur…
-Circulating concentrations of progesterone decrease... -Increas…
-Increased uterine tone... -Discharge of clear and watery mucus…
Continued growth of dominant follicle of the ovulatory wave
What is proestrus?
Initial portion of follicular phase that begins with structur…
What happens as the luteal gland regre…
-Circulating concentrations of progesterone decrease... -Increas…
36 terms
Theriogenology_Swine
What factors affect puberty?
What are hastening factors of puberty?
What is the boar effect?
What are delaying factors of puberty?
- age: 5-8 months... - weight: 200-250 lbs... - breed
- movement/mixing of females... - long day length... - boar effect
- most common method used... - continuous exposure... - use a matur…
- confinement housing... - season (towards light! not temperature)
What factors affect puberty?
- age: 5-8 months... - weight: 200-250 lbs... - breed
What are hastening factors of puberty?
- movement/mixing of females... - long day length... - boar effect
134 terms
Welcome to Theriogenology
P4?
E2?
diestrus is ___ days long
Diestrus:... ____ p4... _____e2
progesterone
estradiol
12.5 days
high p4... low e2
P4?
progesterone
E2?
estradiol
34 terms
Bovine Theriogenology
the ovarian steroids of the bovine
what is the primary hormone that maint…
What increased reproductive events in…
what hormones correlate with these fun…
cholesterol & pregnenelone... progesterone & cortisol... testostero…
Progesterone... - also acts as an anti-inflammatory
increase= estrogen... decrease= progesterone... events= basal GnRH…
1. GnRH... 2. FSH & LH... 3. Estrogen & Testosterone
the ovarian steroids of the bovine
cholesterol & pregnenelone... progesterone & cortisol... testostero…
what is the primary hormone that maint…
Progesterone... - also acts as an anti-inflammatory
111 terms
Theriogenology Final
HPG axis
Hypothalamus hormone (1)
Anterior Pituitary hormones fx (2)
Gonadal hormones (3) and feedback loops
light- eye- pineal gland- hypothalamus- pituitary- gonads- ph…
Gonadotropin releasing hormone
Leutenizing hormone: stimulates ovulation in the female, test…
Estrogen: released from developing follicles (FSH stimulated)…
HPG axis
light- eye- pineal gland- hypothalamus- pituitary- gonads- ph…
Hypothalamus hormone (1)
Gonadotropin releasing hormone
37 terms
Feline Theriogenology
what is the average age of puberty in…
what influences the onset of puberty?
what accessory glands does the tom have?
What anatomical change of the penis oc…
~6 months... able to make sperm far sooner than sexually mature
TIME OF YEAR - long day breeders... BCS - at least 5 lbs... Breed -…
bulbourethral glands... prostate
Castration - low T --> smooth penis... Intact - high T --> kerit…
what is the average age of puberty in…
~6 months... able to make sperm far sooner than sexually mature
what influences the onset of puberty?
TIME OF YEAR - long day breeders... BCS - at least 5 lbs... Breed -…
97 terms
Theriogenology Midterm
Corpus luteum
Estrogen
Testosterone
Corticoid Steroids
Previously a follicle, cells convert from estrogen production…
- produced by theca internal cells of Graafian follicle, plac…
- produced in interstitial cell of testicle... - used for teaser…
- adrenal cortex... - used for induction of parturition and ma…
Corpus luteum
Previously a follicle, cells convert from estrogen production…
Estrogen
- produced by theca internal cells of Graafian follicle, plac…
191 terms
Theriogenology Midterm
4 Reproductive Indices that determine…
Estrus detection rate=
Pregnancy per AI=
Pregnancy rate=
1. Voluntary waiting period... 2. Estrus detection rate... 3. Conce…
#cows detected in estrus/#cows eligible to be in estrus
# cows pregnant/ # inseminated cows
# of pregnant cows/ # cows eligible to be pregnant
4 Reproductive Indices that determine…
1. Voluntary waiting period... 2. Estrus detection rate... 3. Conce…
Estrus detection rate=
#cows detected in estrus/#cows eligible to be in estrus
22 terms
Theriogenology Quiz
Posterior Pituitary
Female: Ut. contractions and milk letd…
Placenta- Chorionic Cells
Mare= accessory CL... Other Species= FSH
Oxytocin Source
Oxytocin Response (Female and Male)
eCG Source
eCG Response (Female)
Posterior Pituitary
Oxytocin Source
Female: Ut. contractions and milk letd…
Oxytocin Response (Female and Male)
26 terms
Theriogenology drugs
Lutalyse
Estrumate
Cystorelin
Estradiol
PGF2a, lyse CL, abort (calf dog cat)
PGF2a, lyse CL, abort calf <150d
GnRH, ovulation/leutinisation
E2, follicular atresia
Lutalyse
PGF2a, lyse CL, abort (calf dog cat)
Estrumate
PGF2a, lyse CL, abort calf <150d
23 terms
SRMS - Theriogenology
Peculiarities of the female anatomy
Female - puberty time, first breeding
Female - seasonality, pregnancy
Ovarian function
open ovarian bursa... long and tortuous uterine tubes... left uteri…
puberty 12-13mo... 1st breeding >12mo at about 65% adult weight
seasonal in S. america in wild... Dec-Mar - nutrition at peak... ca…
induced ovulators... neuroendocrine response to copulation... 5% sp…
Peculiarities of the female anatomy
open ovarian bursa... long and tortuous uterine tubes... left uteri…
Female - puberty time, first breeding
puberty 12-13mo... 1st breeding >12mo at about 65% adult weight
24 terms
Theriogenology Exam I
Unilateral tract
Duplex tract
Bicornuate tract
Bipartite tract
Birds
Rodents
Porcine, canine
Bovine, ovine
Unilateral tract
Birds
Duplex tract
Rodents
26 terms
Theriogenology drugs
Lutalyse
Estrumate
Cystorelin
Estradiol
PGF2a, lyse CL, abort (calf dog cat)
PGF2a, lyse CL, abort calf <150d
GnRH, ovulation/leutinisation
E2, follicular atresia
Lutalyse
PGF2a, lyse CL, abort (calf dog cat)
Estrumate
PGF2a, lyse CL, abort calf <150d
75 terms
Equine Theriogenology
The 3 barriers to the uterus
What type of cervix does the mare have?
How is the mare's ovary different from…
What accessory sex glands are present…
1) Vulvar lips... 2) Vaginal vestibular fold ("hymen")... 3) Cervix
NONtortuous
1) Presence of an OVULATION FOSSA (superovulation is rare)... 2)…
ALL 4 (Ampulla, Prostate, Vesicular, Bulbourethral)... The AMPU…
The 3 barriers to the uterus
1) Vulvar lips... 2) Vaginal vestibular fold ("hymen")... 3) Cervix
What type of cervix does the mare have?
NONtortuous
189 terms
Swine Theriogenology
Name some terminal breeds?
what is meant by the term terminal bre…
Name some maternal breeds
what is meant by the term maternal bre…
Dark skinned swine... Berkshire... Duroc... Hampshire... Poland China... Spot
a breed that is going to go off to market (ie not be kept for…
Chester White... Landrace... Yorkshire
a breed that is kept for breeding due to her farrowing abilit…
Name some terminal breeds?
Dark skinned swine... Berkshire... Duroc... Hampshire... Poland China... Spot
what is meant by the term terminal bre…
a breed that is going to go off to market (ie not be kept for…
42 terms
Feline Theriogenology
what is the age of puberty in cats? se…
what influences the onset of puberty?
what accessory glands does the tom have?
What anatomical change of the penis oc…
puberty at 4-12 months... sexually mature at 9 months
TIME OF YEAR - long day breeders... BCS - at least 5 lbs... Breed... -…
bulbourethral glands... prostate
Castration - low T --> smooth penis... Intact - high T --> kerit…
what is the age of puberty in cats? se…
puberty at 4-12 months... sexually mature at 9 months
what influences the onset of puberty?
TIME OF YEAR - long day breeders... BCS - at least 5 lbs... Breed... -…
170 terms
Theriogenology - Female
GnRH, Dopamine
Oxytocin
GnRH
Dopamine
Hormones released by the hypothalamus that affect the anterio…
Hormone released by the hypothalamus that affects the posteri…
Hormone that stimulates the synthesis and secretion of LH and…
Hormone that inhibits prolactin synthesis
GnRH, Dopamine
Hormones released by the hypothalamus that affect the anterio…
Oxytocin
Hormone released by the hypothalamus that affects the posteri…
54 terms
Comparative Theriogenology
What is puberty?
What are triggers for overt cyclicity?…
What are the 3 barriers to keep the ut…
What is the structure of the cervix in…
Sexual maturity, able to reproduce
Body weight, body able to support a pregnancy... Nutrition, bre…
1. Vulvar lips... 2. Vaginal vestibular fold... 3. Cervix
Straight, nontorturous
What is puberty?
Sexual maturity, able to reproduce
What are triggers for overt cyclicity?…
Body weight, body able to support a pregnancy... Nutrition, bre…
30 terms
Avian Theriogenology
Infectious Bronchitis Virus (clinical…
Acute Oophoritis/Salpingitis- 3 Viruses
Acute Viral Oophoritis/Salpingitis (cl…
Bacterial Oophoritis (cause and route)
(Respiratory signs)... Salpingitis... Thin shelled, wrinkled eggs... W…
Newcastle, Avian Influenza, Duck Viral Hepatitis
Misshapen eggs... Softshelled/Shellless eggs... Decrease/cessation…
Cause: Salmonella pullorum... Route: Coliform septicemia or resp…
Infectious Bronchitis Virus (clinical…
(Respiratory signs)... Salpingitis... Thin shelled, wrinkled eggs... W…
Acute Oophoritis/Salpingitis- 3 Viruses
Newcastle, Avian Influenza, Duck Viral Hepatitis
30 terms
Avian Theriogenology
Infectious Bronchitis Virus (clinical…
Acute Oophoritis/Salpingitis- 3 Viruses
Acute Viral Oophoritis/Salpingitis (cl…
Bacterial Oophoritis (cause and route)
(Respiratory signs)... Salpingitis... Thin shelled, wrinkled eggs... W…
Newcastle, Avian Influenza, Duck Viral Hepatitis
Misshapen eggs... Softshelled/Shellless eggs... Decrease/cessation…
Cause: Salmonella pullorum... Route: Coliform septicemia or resp…
Infectious Bronchitis Virus (clinical…
(Respiratory signs)... Salpingitis... Thin shelled, wrinkled eggs... W…
Acute Oophoritis/Salpingitis- 3 Viruses
Newcastle, Avian Influenza, Duck Viral Hepatitis
88 terms
Theriogenology Test 3
Testicular width in stallions
Puberty of stallions
Spermatogenesis recovery time
Stallion semen collection
>8cm measured with ultrasound
age sperm first appears in ejaculate, occurs around 1-2 yrs.…
67d
use artificial vagina (needs training), manual stimulation, o…
Testicular width in stallions
>8cm measured with ultrasound
Puberty of stallions
age sperm first appears in ejaculate, occurs around 1-2 yrs.…
95 terms
Equine Theriogenology
Name 3 major ethical concerns in equin…
What is the length of: estrus cycle, e…
What are the palpable characteristics…
How is photoperiod manipulation used t…
Welfare of mare, genetic health and conforming to standards s…
Estrus cycle is 21 days... Estrus is 7 days... Diestrus is 14-15 days
Estrus: Uterine edema in estrus. Wilted rose cervix.... Diestru…
Normal breeding season is April to October in N. Hemisphere.…
Name 3 major ethical concerns in equin…
Welfare of mare, genetic health and conforming to standards s…
What is the length of: estrus cycle, e…
Estrus cycle is 21 days... Estrus is 7 days... Diestrus is 14-15 days
95 terms
Equine Theriogenology
Name 3 major ethical concerns in equin…
What is the length of: estrus cycle, e…
What are the palpable characteristics…
How is photoperiod manipulation used t…
Welfare of mare, genetic health and conforming to standards s…
Estrus cycle is 21 days... Estrus is 7 days... Diestrus is 14-15 days
Estrus: Uterine edema in estrus. Wilted rose cervix.... Diestru…
Normal breeding season is April to October in N. Hemisphere.…
Name 3 major ethical concerns in equin…
Welfare of mare, genetic health and conforming to standards s…
What is the length of: estrus cycle, e…
Estrus cycle is 21 days... Estrus is 7 days... Diestrus is 14-15 days
27 terms
Theriogenology Exam 2005
A positive signs of bovine prengnacy d…
You have determined that 40 dairy cows…
The efficacy of estrus detection can b…
Most common bovine ovarian tumor is:... 1…
4) Amnioitic vesicle
3) Re-examine the cows to determine their pregnancy status
2) Determinatino of heat detection index
5) Granulosa cell tumor
A positive signs of bovine prengnacy d…
4) Amnioitic vesicle
You have determined that 40 dairy cows…
3) Re-examine the cows to determine their pregnancy status
75 terms
Equine Theriogenology
The 3 barriers to the uterus
What type of cervix does the mare have?
How is the mare's ovary different from…
What accessory sex glands are present…
1) Vulvar lips... 2) Vaginal vestibular fold ("hymen")... 3) Cervix
NONtortuous
1) Presence of an OVULATION FOSSA (superovulation is rare)... 2)…
ALL 4 (Ampulla, Prostate, Vesicular, Bulbourethral)... The AMPU…
The 3 barriers to the uterus
1) Vulvar lips... 2) Vaginal vestibular fold ("hymen")... 3) Cervix
What type of cervix does the mare have?
NONtortuous
10 terms
Quizzes for Theriogenology
False, should be 35-50mm.
False, they ovulate near the end of es…
False, that is behavior of estrus
False
Size of the preovulatory follicles is around 25 mm.... True... False
Mare usually ovulate on the 2nd day of estrus.... True... False
Throughout diestrus, Mares squat and urinate when exposed to…
Foal heat is the name given to any heat cycle while the mare…
False, should be 35-50mm.
Size of the preovulatory follicles is around 25 mm.... True... False
False, they ovulate near the end of es…
Mare usually ovulate on the 2nd day of estrus.... True... False
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