A Sci 155 - Animal Reproduction
Homework Assignment #7 - Parturition /postpartum repro.
Name
1. List two Signs of approaching parturition.
1) Birth Position Changes (fetus changes from laying on back to resting on thorax)
2) Mammary Gland Changes
2. List the three stages of parturition.
1.Dilation, 2.Expulsion (fetus), 3.Expulsion (placenta)
3.Whats is the average time for the stage 2 of parturition on the listed animals?
Cattle .5-2_____________________________________
Sheep .5-2_____________________________________
Horses .15-.5 hrs________________________________damn! quick asf
Swine 1-4 hrs_________________________________longest !!!
4.How many days postpartum to a complete uterine involution?
Cattle 25-30 days _____________________________________
Sheep 25-30 days_____________________________________
Horses 10-15 days_____________________________________
Swine 21-28 days____________________________________
5. Briefly describe the hormonal events happening when parturition is being initiated
