Agriculture Biology Question of the Day What is selective breeding used for Objective Students will be able to analyze the two types of selective breeding principles and will interpret hybridization and inbreeding in goats ID: 464875
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Slide1
Hybrids and Purebreds in Agriculture
Agriculture BiologySlide2
Question of the Day:
What is selective breeding used for?Objective: Students will be able to analyze the two types of selective breeding principles and will interpret hybridization and inbreeding in goats.Slide3
Today’s Activity
2 scenarios:This is the
only buck…Given specific traits to select for…2 does to choose from…Which doe will you choose?Slide4
Vocabulary
Buck:
An intact mature male goatThe _______ smelled terrible because it was breeding season.Doe: A mature female goat
My _______ is getting ready to kid.Slide5
Dairy Goats
Main Use
:Milk productionMain Characteristics:FeminineRefined
Capacious
Breeds:
Toggenburg
Alpine
Nubian
Saanan
Oberhasli
LaManchaSlide6
Main Use:
Meat productionMain Characteristics:Thick muscling
Big bonedGood fat coverBreeds:Boer Goat
Spanish Goat
Tennessee Goat
Meat Goats Slide7
Meat Goat or Dairy Goat?Slide8Slide9Slide10Slide11
Your Task:
Choose a doe to breed to this buck for each of the scenarios, and explain your choice.
Scenario 1: You want the offspring to only produce meat.Scenario 2: You want the offspring to produce quality milk and meat.
Each doe is
marked
, please write down on your handout the name of the doe you would us for each scenarioSlide12
What Were we Doing?
Scenerio
2:Hybridization:Crossing organisms than have different traits to bring together the best of both organisms.
Scenerio
1:
Inbreeding:
Continued breeding of individuals with similar
characteristics.Slide13
7 minute Wrap Up
Which goats would demonstrate inbreeding?
Which goats would demonstrate hybridization?