Lactation Hormones Flashcards
Estrogen
Promotes ductal development
Progesterone
Promotes development of secretory alveoli
Blocks milk secretion
Prolactin
Released from hypothalamus
Stimulates development of secretory epithelium and milk production
Placental Lactogen
Produced by ruminant placenta
Similar to prolactin
Stimulation of teats causes release of _______ from _______
Oxytocin
Neurohypophysis
(Neuroendocrine reflex)
Oxytocin stimulates contraction of _____
Forces milk out of _____ and into _____
Myoepithelial cells
Alveoli into ducts and cisterns
Sympathetic stimuli can
Block milk letdown
Stimulation of teats increases ____
Serum prolactin
Growth Hormone
Bovine Lactation
Increases milk production
Synthetic Bovine Somatotropin
Feedback Inhibitor of Lactation (FIL)
Stops lactation