Breeds
In what country did the Holstein breed originate
Neatherlands
what is mastitis
inflammation of 1 or more quarters of the udder
What is the gestation period for a Calf
9 months.
What is the lactation/milking period for a cow
305 days
what makes up the majority of the percentage of milk and what is the percentage
What is red with white markings, All red, all white, red roan
what is the color of a Aryshire cow
white with red cherry spots.
what causes the majority of mastitis cases in dairy cows
Bacteria
How many liters of colostrum does a calf need within the first 6 hours?
2 liters
What is a dry cow and how long is this stage?
50-60 days
What is homogenization
breaking up milkfat and dispersing throughout the milk
on average, how much milk does a Brown Swiss cow produce
12,100 pounds
what is milk fever
hyperglycemia, or when the calcium level in the blood stream is lowered
How long after birth are the calves kept in individual pens
2-3 weeks
At what age are heifers first breed and when do they calve
14-15 months, 22-24 months
what is pasteurization
heating milk to 145 degrees for 30 minutes and cooling to 45 degrees promptly.
what breed of cow has the highest milk fat content and what the percentage
Jersey-5.4%
when does milk fever occur
name the three feeding methods we discussed in class
rubber teat, troughs, and drums
name three of the five milking parlor setups discussed in class.
side opening (tandem), herringbone, swing, parallel, rotary
what are the nutrients provided by milk
protein, carbohydrates, vitamins, minerals
Holstein, jersey, brown swiss, aryshire, guernsey
name one of the preventive measures of milk fever
Limit calcium intake 2-3 weeks prior to calving
giving two oral calcium bolus immediately after calving with 12 hrs between them
what are the feeding schedules we discussed in class.
once a day, twice a day, at liberty
How long do cows milk for
6-8 minutes
after milking, how fast should milk be cooled and to what temperature
within 90 minutes, 40 degrees