Equine Reproduction Flashcards
What is horse estrous effected by?
Day length
Define the horses estrus cycle
Poly estrous
When do horses go into heat?
During April through August
When do foals hit their first heat cycle?
Between 12 & 15 months of age
When are most fillies bred?
4 years
What happens if you breed a horse to early?
Stunting of the mare and dystocia
How long is a horses cycle?
21 days
How long does heat last?
5-7days
When does ovulation occur?
5-7 days
How long is the gestation period?
About 11 months
A male has a [BLANK] which means it has sponges tissue that fills with blood
Musculocavernous penis
What would you do during a mare breeding exam?
Examination vagina with a speculum
Rectal exam of uterus and ovaries
Uterine culture and cervical biopsy
How would you do a stallion breeding examination
Semen evaluation
What is the caslicks procedure?
Sewing the vulva shut to prevent the entry of feces into the vagjna
How can you detect a pregnancy?
Rectal palpating
When can you detect a pregnancy when palpating through the rectum?
30-45 days
When can you determine the sex of a foul?
60-70 days
When can a blood test detect a pregnancy?
35-120 days
When do false pregnancys appear?
Embryonic death
When will mares normally give birth ?
11pm and 7am
What are five signs of parturition?
4 weeks prior mammary glands enlarge 7-10 days prior muscles around railhead relax 7-10 days prior fetus drops low 4-6 days prior colostrum is present Then vulva loosens
When will a mare isolate herself?
12 hours before delivery
What is uterine torsion?
Uterus twists on itself and can cause severe colic symptoms
When does uterine torsion usually happen?
Occurs before labor