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AFNR Semester Review

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  • which of the beef cattle breeds are indigenous to the US
    none
  • milk product made by removing about 60% of water from ordinary milk
    evaporated milk
  • Act of giving birth
    parturition
  • Beef cattle operation - young calves graze for moderate weight gain before feedlot.
    backgrounding/stocker
  • Cattle that lack horns by natural or artificial means.
    polled
  • state in which a country exports more than they import
    trade surplus
  • thick white or pale yellow fatty liquid that rises to the top of milk that is left to stand
    cream
  • What are the five factors that make up the milk composition?
    water, mineral ash, protein, milkfat, lactose
  • specific group of cattle with similar appearance, characterisitics, and behaviors that distinguish it from other cattle in same species
    breed
  • bulls, heifers and cows that are used in registered breeding herds as well as commericial operations
    seedstock
  • T/F - Cattle chew cud to aid in further digestion
    True
  • total distance that the ingredients of a food product travel before they reach the consumer
    food mile
  • T/F - A dairy cow's lactation cycle is about 150 days long.
    False
  • quality of ice cream is 100% overrun, with sucrose as a primary sweetener
    general use
  • T/F - The average dairy cow will produce almost 7.5 gallons of milk a day.
    True
  • situation in which consistent food is unavailable year-round due to lack of money or resources
    food insecurity
  • area with low income levels, more than 500 people live more than 1 mile from grocery
    food desert
  • approximate gestation period for beef cows
    279 to 290 days
  • True/False - there is enough foo on the planet to feed everyone, but it is not distributed to everyone equally
    True
  • how far are people in a food desert from the nearest grocery store
    1 mile
  • Distinctive darker brown coat with a lighter shade around their muzzle, they produce milk with a high butterfat content.
    Brown Swiss
  • liquid that is separated from the product when making cheese is called
    whey
  • calves are weaned at
    6 to 8 months
  • breed from England, can be red, white or roan, horned or rolled, and maternal breed
    shorthorn
  • T/F - About 2 months before calving, a cow will stop producing milk to prepare for calving and the next lactation cycle
    True
  • Breed produces milk with a rich, golden color and are known for their ability to adapt to different climates
    Guernsey
  • at what age are heifers usually bred
    15 to 18 months
  • process of carrying young in womb between conception and birth
    gestation
  • breed is red and horned, and is crossbreed consisting of 3/8 Brahman and 5/8 Shorthorn, developed at King Ranch in Texas
    Santa Gertrudis
  • Raw milk is what % milk fat
    4%
  • Breed can be in variety of colors including roan
    Milking shorthorn
  • process in which milk's fat droplets are emulsified and cream does not separate
    homogenization
  • ID the type of diet beef cattle enjoy in feedlots. explain why they are fed this.
    high grain with roughage to increase fat deposition, increases quality of beef.
  • difference between Bos taurus and Bos indicus.
    Bos taurus originated in Europe, Bos indicus originated in more tropical countries - Asia, Africa, India
  • crossbred beef cattle produced for sale to stocker operations and feedlots
    commercial cattle
  • most popular fermented dairy product in the world
    yogurt
  • inflammation of the mammary glands, which is usually caused by bacteria
    mastitis
  • farm or business that is owned and run jointly by its members
    cooperative
  • breed from Scotland, black and polled, maternal breed, known for growth and carcass traits
    angus
  • T/F - More than 95% of dairies in US are family owned and operated.
    True
  • proportion of people in the world who are considered chronically malnourished
    1 in 9
  • food that cannot be produced in the area where it is consumed
    exotic food
  • process in which bacteria in milk is killed with heat
    pasteurization
  • T/F - commercial cattle are typically purebred animals that are registered with a breed association
    false