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Dairy Cows

Dairy cows

QuestionAnswer
Dairy cows produce how much of the worlds fluid milk? 80%
The number of dairy cattle has Decreased
The production of milk has Increased
Milk Composition 88% water 8.6% solids proteins, lactose (predominant, carbohdrateyes) , minerals ( calcium, phosphorous, and zinc) 3-4% milk fat ( fat soluble vitamins A,D,E and K
Why has milk production increased Improved genetics, nutrition, management
First Milk Colostrum
A cow's milk can't legally be sold until after what milking? 11th milking
Most milk consumed in the US is what ? Homogenized
Why do we Homogenize milk? to prevent milk fat
Why do we pasteurize milk to prevent Rahcia exposed at 161 degrees for 15 seconds
Lactation Secretion of milk following birth of offspring lasts: 305 day peak lactation: 45-60 days
Dairy cow management Milked across all seasons uses own feeds to meet nutritional value Feed a combination of pasture, hay, silage, haylage, and grains Average production life: 3yrs of milking or 5-6 years of life
Reason for culling Low milk production bad udders feet and leg issues reproductive failure Developing of mastitis
Dairy cattle nutrition 45-65% dairy Need more high quality feedstuff than beef
Pasture grazing system for smaller heard feed in the milking parlor
Dry-lot system Not feed in milking parlor cows grouped by milk production fed and watered in the same area kept in a place with concrete floors Mixed ration from bunks
Dairy calves Fed milk replacement, fed colostrum, given contaminated milk, start on soilds early/ offer t 2 days old, fed liquid twice a day offer at free choice
Milking 2-3 times a day Udder simulation udders cleaning strip teats milking units milk in 8 minutes apply iodine/ glycerine
What is the purpose of udder stimulation more milk production
How to stimulate an udder? Nudging Washing udders sound of milking equipment vocalization of offspring
Factors that will effect the milk production Feed and management stress mastitis milk demand
Small dairy operations making up half or more of dairy farms famil owned and operated 1-200 heads of cattle diverse
Large dairy operations smaller number of operations family based or corporation 500+ head Found in newly emerging state in dairy production more specialized
Created by: Laceyjay2050
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