Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
Freshen
|
Parturition and commencement of lactation
|
|
Fresh
|
Referring to a postpartum cow
|
|
How many mammary glands and teats does each animal have: Cow, Sheep/Goat, Mare, Sow
|
Cow: 4/4
Sheep: 2/2 Mare: 4/2 Sow: 6 to 20/10 to 14 |
|
What factors affect milk production?
|
Breeding & Genetics
Feed & Nutrition Management Sanitation Mastitis Heat stress Requirements of offspring Age of Dam (youngest & oldest produce less) Number of offspring |
|
What hormones stimulate milk production?
|
Oxytocin
Prolactin bST These are also known as the milk hormones |
|
What are the traits of an ideal dairy cow?
|
Stature
Long, lean neck Strong feet & legs Angularity Milk veins Level rump |
|
What is the trends in cow numbers & milk production in the US?
|
Decrease in cows.
Increase in milk production. |
|
Pasteurization
|
Heating milk to the point where disease causing organisms are destroyed (161 degrees)
|
|
Homogenization
|
Centrifuge (intense pressure) to breakdown fat into minute particles
|
|
What causes mastitis?
|
Presence of the disease agents Streptococcus and Staphylococcus.
|
|
When does ketosis happen and who can get it?
|
Happens during early lactation (dairy cows),
late gestation in case of twin/triplets (ewe), humans (diabetics, atkins diet) |
|
Know the 3 dairy classes of products and the products under them.
|
Class 1: Whole milk, Low fat milk, Skim milk & Butter milk
Class 2: Frozen desserts, Cottage cheese, Cream cheeses Class 3: Butter, Cheese |