ASC101 (Chapter 6)

Lactation

Process of secreting milk from the mammary gland of a mammalion

Subclinical mastitis infection

Mastitis that does not show clear visual signs of infection

Mastitis

Infection of the mammary gland

Nutrients found in milk

Water, carbs, lipids, proteins, vitamins, minerals

Milk letdown

Process of the milk leaving the mammary gland

Myoepithelial cells

Muscle cells that surround the alveoli and contract to release milk

Ideal duration of a dairy cow lactation

305 days

Gland cistern

A collective area for milk that is delivered by the ducts

Persistency

Rate of decrease in milk production following peak production

Clinical mastitis infection

Mastitis that shows clear visual signs of infection

Teat cistern

An area where milk collects before leaving the teat

Dry cow therapy

Treating dry cows for mastitis using antibiotics

Ducts

A network of tubes that descend from the lobes

Lobe

Cluster of alveoli

Alveolus

Milk secreting unit of the mammary gland

Colostrum

The first milk produced by the dam after parturition

Annular disc

Structure that separates the gland cistern from the teat cistern

Peak milk production

The maximum amount of milk a female will produce per day

Dry period

The period when the female is not in lactation