Parturtion and Related Flashcards Preview

CTC Junior Vet science > Parturtion and Related > Flashcards

Flashcards in Parturtion and Related Deck (13):
1

Parturition

Act of giving birth

2

Parturition hormones

Started by cortisol (stress hormone)
Progesterone decreases
Estrogen, prostaglandin, and oxytocin increase (hormones relax the cervix)

3

Dystocia

Abnormal birthing positions

4

Which animals can have dystocia

Calves, lambs, foals, kids, humans

5

Schistosomus reflexus

Fatal congenital disorder, spine is inverted, and baby is born inside out

6

3 Stages of parturition

Preparatory
Fetal Expulsion
Expulsion of placenta/afterbirth

7

Preparatory stage happenings

2-6 hours long
calf rotates to up right position
uterine contractions begin (Oxytocin and Cortisal)
Water sac is expelled

8

Delivery stage happenings

1 hour or less
Cow usually laying down
fetus enters birth canal
front feet and head protrude 1st
calf delivery completed

9

Cleaning stage happenings

2-8 hours
Caruncles and cotyledon attachments relax
Uterine contractions expel membranes

10

Steps in calving assistance

Conduct pelvic exam
Determine position of the fetus
Examine size of the calf relative to birth canal
Attach ostetrical chain to front legs

11

Starting up the calf

Clear airways and mouth area
Stimulate calf with rubbing
Could also give artificial respiration

12

Uterine prolapse

Inversion of the uterus

13

Causes of Uterine prolapse

Prolonged labor
Difficult birth
Excessive contraction
Subclinical milk fever