Lactation in Dairy Cattle

Milk secreted for up to few days after parturition and characterized by high protein and antibody content. Known as first milk.

• Colostrum

• Milk

• Artificial Insemination

• Reproduction

The mammary system is responsible for milk production in dairy cows.

• True
• False

The “first” milk produced by a dairy cow, that is rich in nutrients is called____________.

• Fresh milk
• Dry milk
• Colostrum
• Good milk

The ______ is composed of the lumen, epithelial, and myoepithelial cells.

• Alveoli
• Teat Cistern
• Teat Canal
• Ducts

The ________ are cells that produce milk by taking nutrients from the blood stream.

• Lumen
• Myoepithelial cells
• Epithelial Cells
• Alveoli

The ______ are responsible for transporting milk from the alveoli to the gland cistern.

• Teat Canal
• Lumen
• Alveoli
• Ducts

The _________ are clusters of 150-220 alveoli.

• Lumen

• Lobes (aka Lobules)

• epithelial cells

• Udder

The _______ is responsible for collecting the majority of milk produced in the mammary quarter.  This holds up to 500mL of milk.

• Teat Canal
• Gland Cistern
• Teat Cistern
• Lumen

The last place that milk goes through before leaving the body is the ___________.

• Teat Canal
• Teat Cistern
• Udder
• Gland Cistern

The _______ is also responsible for collecting milk, but only holds 15-40 mL.

• Teat Canal
• Gland Cistern
• Teat Cistern
• Lumen