Exam - Parturition Flashcards
what is the stimulus origin for parturituion
fetus
how is the fetus the origin for parturition
maturation of fetal hypothalamus (CRF)
anteriori pituitary gland (ACTH)
adrenal (cortisol) axis
what does the fetus become capable of at parturition
capable of mounting a physiological response to stress
do females or males take longer
males - heavier at birth, longer gestation
what are additional effects of cortisol
lung sufactant synthesis
circadian rhythms and birth time
lactogensis
fetal energy balance
brown fat
when does placental separation occur after delivery
within a few hours
what is special about dairy cows
a small but significant proportion of animals retain their fetal membranes for days or even weeks
what are retained fetal membranes (RFM) associated with
subsequent infection of uterus
slow uterine involution
increased interval to first ovulation post partum
what are causes of RFM
premature delivery
low vit E/Se status
what is the treatment for RFM
essentially none
bag placenta in rectal sleeve
monitor for infection and treat if necessary
do not pull or “unbutton” per vagina
