hybrids and purebreds in agriculture
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Hybrids and Purebreds in Agriculture. 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. Today’s Activity. - PowerPoint PPT PresentationTRANSCRIPT
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Hybrids and Purebreds in AgricultureAgriculture Biology
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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.
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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?
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Vocabulary Buck: An intact
mature male goat The _______ smelled
terrible because it was breeding season.
Doe: A mature female goat My _______ is getting
ready to kid.
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Dairy Goats Main Use:
Milk production Main
Characteristics: Feminine Refined Capacious
Breeds: Toggenburg Alpine Nubian Saanan Oberhasli LaMancha
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Main Use: Meat production
Main Characteristics: Thick muscling Big boned Good fat cover
Breeds: Boer Goat Spanish Goat Tennessee Goat
Meat Goats
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Meat Goat or Dairy Goat?
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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 scenario
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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.
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7 minute Wrap Up Which goats would
demonstrate inbreeding?
Which goats would demonstrate hybridization?