Chpt6_ANS3319SwineAILab2010 - ANS 3319C Reproductive...

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ANS 3319C Reproductive Physiology and Endocrinology Lab Artificial Insemination in Swine Objectives 1) To introduce the concept of artificial insemination including advantages, disadvantages and its importance in the commercial swine operation. 2) To introduce the equipment and techniques needed to inseminate swine. 3) To discuss how natural service is used in the commercial swine industry. Why use Artificial Insemination? Advantages 1) Allows for widespread use of superior genetics. Primarily through boar studs. 2) Increased control of breeding programs and subsequent progeny being produced including: Market hogs vs. replacements females and/or both. More uniform groups of pigs at weaning. 3) Fewer problems than usually encountered with using boars. Less risk of injury to boar, sows, and people handling pigs. Allows use of heavy boars on light females. Eliminates the need to isolate and test newly introduced boars. Decreased need for special facilities to test and house boars. Decreased housing and feed cost. 4) Reduced risk of disease transmission. 5) Efficient use of natural estrus synchronization without the need for increased boar power. 6) Leads to increased awareness of: Individual animal records and animal matings Selection of breeding stock True reproductive status of herd Disadvantages 1) Increased level of management required to implement an AI program. 2) Knowledge of the how to conduct the AI procedure is required. 3) Adequate physical facilities are required for estrus detection and AI. 4) If collecting own boars, producer needs to know how to train and collect the boars as well as having a designated area to collect the boars in. What is needed for a successful AI program? 1) Understand the selection criteria for boars Breeding value appraisal Performance vs. carcass traits Structural and reproductive traits 2) Maintain healthy females in sound breeding condition Cull gilts that do not reach puberty by 9 months of age. Cull sows that have an extended anestrous period after weaning. Gilts/sows that return to heat after breeding twice should be culled.
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ANS 3319C Reproductive Physiology and Endocrinology Lab – Swine Artificial Insemination 2 3) Accurate estrus or heat detection (Estrus detection will be reviewed later in handout) . Check heat twice a day, 12 hours apart.
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This note was uploaded on 07/16/2011 for the course ANS 3319 C taught by Professor Yelich during the Spring '11 term at University of Florida.

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Chpt6_ANS3319SwineAILab2010 - ANS 3319C Reproductive...

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