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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