University:
Sam Houston State University
Course:
BIOL 1406 | General Biology I
Academic year:

2023
Views:

385

Pages:

13
Author:

5CelestialChronicle

Swine Reproduction What is the point?  Why are we learning about swine reproduction? • We need to breed the gilts in the barn • We will be doing this by artificial insemination • We need to know what we are doing Objectives  Identify tract  parts of the reproductive Describe Estrous cycle, Estrus, and Ovulation I. Reproductive Tract  Ovaries  Uterine body  Infundibulum  Cervix  Oviduct  Vagina  Uterine horns  Vulva  Ovaries  Primary Structure  Two Major Function: – To produce ova, the female germ cells – To produce the hormones progesterone and estrogen Infundibulum Oviducts – Acts like a funnel – 6 to 10 inches – Diverts ova to the – Acts as site of to collect ova oviducts long fertilization Uterine Horns  2 – 3 feet in a non-pregnant sow  Act as a passage way for sperm  Are the site of fetal development  Uterine body is located at junction of the uterine horns Cervix  Muscular junction between the vagina and uteri  Site of semen deposit  It is dilated during heat (estrus) – Constricted during pregnancy and when not in heat Vagina  Extends from the cervix to the vulva  Passage way for urine and piglets  The Bladder is connected to the vagina by the urethra