AI lab 2-1-12

AI lab 2-1-12 - Increase in Popularity of AI Artificial...

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1 1 Artificial Insemination Lab AnS 225 2-1-12 2 Increase in Popularity of AI Identification of superior genetics Improved breeding facilities Improved management skills Low cost/rapid delivery Long-life extenders Production systems that require minimum age spread 3 Advantages of AI Lowers disease risk Maximum use of superior boars Reduced number of boars Sample new genetic lines Rapid genetic change Improve efficiency of gilt multiplication systems 4 Terminal Crossbreeding System X Great Grandparent Hampshire x Landrace Grandparent Yorkshire x HL F1 Parent Duroc x 3-Way Cross YYHL Market Hogs 1/2 D 1/4 Y 1/8 H 1/8 L X X 5 Rotaterminal Crossbreeding System 15% of herd 85% of herd Crossbred females Crossbred females Landrace boars Yorkshire boars Crossbred females Terminal boars All pigs go to market 6 Semen Choices - AI Studs Boar specific Breed specific Pooled semen Terminal line Maternal line Bulk semen Semen contracts Frozen semen
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This note was uploaded on 02/14/2012 for the course ANS 225 taught by Professor Baas during the Spring '08 term at Iowa State.

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AI lab 2-1-12 - Increase in Popularity of AI Artificial...

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