Shared Flashcard Set

Details

animal Science- Milk and lactation
self explanatory
23
Other
Undergraduate 1
12/08/2009

Additional Other Flashcards

 


 

Cards

Term
Which of the following is not in milk: minerals, vitamins, pigments, enzymes, water
Definition
they all are
Term
What four hormones are involved in lactation: 
Definition
progesterone, estrogen, prolactin, oxytocin
Term
Lactation is a _______physiological process.
Definition
neural-hormonal
Term
What 3 things make colostrum important for newborn?
Definition

high energy nutrients

necessary antibodies from the mother

works as a laxative

Term
What is it called when antibodies are passed on by the mother?
Definition
passive immunity
Term
[image]
Definition
femur, pelvis, lateral suspensory ligament, medial suspensory ligament, connective tissue lamel, skin, teat
Term
What is the crease in the cow's udder called?
Definition
Lamellae
Term
Milk secretes from what part of the udder?
Definition
the alveoli
Term
When stimulated for milk ejection, what chemical does the brain release?
Definition
oxytocin
Term
Where does oxytocin come from?
Definition
posterior pituitary gland
Term
What does oxytocin do in the udder?
Definition
causes the myoepithelial cells to contract and secrete milk from the alveoli
Term
What is the lumen? re: lactation
Definition
The sites in the alveoli where the milk droplets are formed in lactation
Term
How much calcium in the American diet comes from dairy products?
Definition
approx 75%
Term
What is missing in milk that makes an "all milk diet" a bad idea?
Definition
Iron
Term
What four vitamins are well found in milk?
Definition
B,E,A,D
Term
What is whey used for?
Definition
poss answers: geriatric foods, animal feeds, protein supplements, alcohol, methane, biomass
Term
Which comes first, pasteurization or homogenization?
Definition
Pasteurization
Term
Does pasteurization reduce nutritional value?
Definition
no
Term
How high is milk heated for pasteurization? For how long?
Definition

161F

15 seconds

Term
What is the reason milk is homogenized?
Definition
to prevent the fat from separating and rising to the top of the milk
Term
Can butter be made from homogenized milk?
Definition
no
Term
What are the three types of homogenization?
Definition
High pressure, low pressure, sonic vibration
Supporting users have an ad free experience!