LA Dystocia Flashcards
1
Q
first stage of parturition
A
- relaxation/dilation of cervix
- fetus adopts birth posture
- uterine contraction commences
- chorioallantois enters vagina
2
Q
second stage of parturition
A
- uterine contractions continue
- fetus enters birth canal
- abdominal contractions commence
- amnion enters vagina
- fetus is expelled
3
Q
third stage of parturition
A
- placental circulation is lost
- placental dehiscence and separation occurs
- uterine and abdominal contractions continue
- placenta expulsion
4
Q
when to intervene in mares dystocia?
A
- no evidence of strong contractions, and/or no progression in delivery process within 10 minutes of chorioallantois rupture
- obvious maldisposition of fetus
- signs of colic: rolling, straining, up/down
- “red bag”: placental detachment
5
Q
when to intervene in ruminants dystocia?
A
- 30 minute rule: dam should make some progress every 30 minutes before intervening
- obvious maldisposition of fetus
6
Q
when to intervene in porcine dystocia?
A
- failure to deliver piglets within an hour or 2 of the onset of labor or an interval longer than 1 hour between delivery of piglets within a litter
- prolonged gestation (>116 days), ill sow (anorexia/depressiom)
- abnormal (purulent/fetid) vulvar discharge
7
Q
when to intervene in camelid dystocia?
A
if the first stage of labor exceeds 6 hours with increasing signs of discomfort or if second stage of labor does not progress normally within 10 minutes of rupture of the amniotic sac
- signs of colic: rolling, straining, up/down, kicking at abdomen
- abnormal (bloody/purulent) vulvar discharge
- obvious fetal maldisposition
8
Q
preparation for intervening in large animal dystocia cases
A
- RESTRAINT, CHEMICAL RESTRAINT
- clean environment
- have gloves, sleeves, lube, clean hot water with soap/scrub, chains, handles, snares
- ties tail to side and clean vulva
9
Q
If vagina ends abruptly at pelvic brim with mucosa drawn into tight, spiral fold its likely a __
A
uterine torsion
10
Q
A
