Reproductive system of chicken

It comprises of the following: infundibulum, magnum, uterus, vagina, and isthmus.

• Infundibulum: it’s where fertilization takes place and also the formation of yolk sac takes place here. The egg takes about ¼ an hour while here.
• Magnum: this is where 45% of the albumen and the chalazae are formed. The egg takes about 3 hrs here.
• Isthmus this is where 10% of the egg white is added. The egg membranes are also formed here and the egg takes between 1 ¼ hr while here.
• Uterus / shell gland: in this place the outer calcium shell is added to the egg and 45% of the albumen is also added. The egg spends 18-22hrs while here.
• Vagina: the egg is inverted in this place and vaginal fluid is secreted to reduce friction. The egg spends about one minute before moving to the cloaca.

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Dr. Bbosa Science