[ANSC 160] - Midterm Exam Guide - Everything you need to know! (25 pages long)

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ANSC 160
MIDTERM EXAM
STUDY GUIDE
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Wednesday, January 25, 2017
Beef Lecture 1
Animal Science 160
-Beef Terms
Cattle: Non-descript term referring to a bovine of any sex or age
Cow:Female bovine that has given birth to a calf
Bull: Intact male bovine used for breeding
Heifer:Young female bovine that has never given birth
Steer:Castrated male bovine
Stag:Castrated male that still shows secondary sex characteristics (unsuccessful
castration)
Veal Calves: Calves 3 months of age and younger that are sold for slaughter
Calving: Parturition in cattle
Polled:Naturally hornless cattle, having no horns or scores
Scurs:Horn tissue on top of the skin and not on the skull
-World Cattle Numbers
India has by far more cattle than United States, Brazil second most, China third
most, Argentina fourth most, Russia fifth most
-Beef Production
United States most, then Brazil, China, Argentina, Russia
-Per Capita Beef Consumption
Uruguay, Argentina, United States, Paraguay, Australia
-The reason for limited world consumption of beef is the cost
-America raises 7.1% of cattle, but produces 21% of beef and veal
-US Beef Export Markets
Japan:Currently accepting beef from the United States
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Wednesday, January 25, 2017
-Closed recently because of BSE or Mad Cow Disease
Canada:Currently accepting beef from the United States
-Closed recently because of BSE or Mad Cow Disease
-Significance of Beef to US Economy
2% produce food for 98% in the US
Cattle and calves rank in the top 5 commodities for 35 of the 50 states
-Beef Industry
Seedstock Cow/Calf
-Also called Purebred or Registered breeders
-Primary goal to make genetic improvements for entire beef industry
-Products
Breeding animals Primarily bulls and heifers)
Semen and embryos
Inferior calves sold as feeder calves
Culled animals(cows and bulls)
Commercial Cow/Calf
-Primary goal should be to produce feeder calves that will excel in next segments
-Sell calves at weaning
-Sold to go directly to feedlot or to stocker
-TN is a commercial cow/calf state
-Products
Feeder Calves
Culled animals
Stocker
-Also called Backgrounder
-Primary goal to add value to feeder calves
!2
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