Term
| What is the definition of domestication |
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Definition
| genetic change of plants/animals through artificial selection |
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Term
| What are some examples of changes seen in animals as a result of domestication? |
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Definition
-structure
-function
-productivity
-carcass quality
-eating quality |
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Term
| What was the first domesticated cattle? |
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Definition
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Term
| What is the latin term for domestic cows found in North America? |
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Definition
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Term
| What is another term for Brahman cattle? |
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Definition
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Term
| What are some traits of Bos nomadicus? |
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Definition
-prominent shoulder hump
-prominent dewlap
-heat, fly & tick resistance |
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Term
| Why do Bos nomadius have better heat resistance than Bos taurus? |
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Definition
| increased number of sweat glands |
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Term
| What are some indicators of domestication? |
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Definition
-common age at death
-more bones of one gender over the other
-changes in structure and size
-evidence of wear & tear (work!) |
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Term
| What does 'early maturing' mean? |
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Definition
| -fat deposits formed early in life compared to other breeds |
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Term
| Are British breeds early or late maturing? |
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Definition
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Term
| Are continental breeds early or late maturing? |
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Definition
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Term
| Which breeds have better intramusculer fat deposits, Continental or British breeds? |
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Definition
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Term
| What are some advantages of Brahman influence on cattle? |
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Definition
-increased heat tolerance (climate change!)
-more flea & tick resistant |
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Term
| What are some disadvantages of Brahman influence on cattle? |
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Definition
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Term
| What are some alternatives to cattle? |
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Definition
Bison
Yak
Buffalo
Cattle crosses |
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Term
| Why were swine more difficult to domesticate? |
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Definition
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Term
True or False
Swine are herbivores & ruminants |
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Definition
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Term
| What was a characteristic of swine in the medieval times that is no longer present today? |
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Definition
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Term
| What is our main breeding goal for swine today? What is the disadvantage of this? |
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Definition
Leanness
Problem: less concern for meat quality |
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Term
Place the following in order of domesticaton
Pigs, Sheep, Cattle, Goats |
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Definition
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Term
| What is the fleshy growth on the head of a chicken? |
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Definition
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Term
| What is the function of the comb & wattles? |
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Definition
-cooling
-secondary sexual characteristics |
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Term
| What are some unique anatomical features of the chicken? |
|
Definition
Comb & wattles
Feathers
Spur |
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Term
| Why is the eating experience of duck meat so variable in wild game? |
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Definition
-diet heavily influences flavour
eg. fish diet = fishy taste |
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Term
| What is the major factor influencing the value of a poultry carcass? |
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Definition
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Term
True or False
Bos nomadicus are predecessors of Bos taurus and developed from Bos longiforns |
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Definition
False
-predecessor of Bos indicus
-developed from Aurochs |
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Term
True or False
Bos longiforns are linked to the Bos taurus cattle raised in North America today |
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Definition
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Term
| What nation/nationality played a large role in changing the shape & size of pigs? |
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Definition
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