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Last modified
8/11/2009 11:32:58 AM
Creation date
8/10/2009 5:17:14 PM
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UCREFRP
UCREFRP Catalog Number
9720
Author
U.S. Fish and Wildlife Service.
Title
Razorback sucker (Xyrauchen texanus) genetics management and captive propagation plan, Dexter National Fish Hatchery and Technology Center.
USFW Year
2004.
USFW - Doc Type
Dexter National Fish Hatchery and Technology Center
Copyright Material
NO
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A. Task: Follow allelic frequencies of individual broodfish to prevent loss of <br />alleles. <br />Target date: July 2005-July2008 <br />B. Task: As part of annual report, present population genetic parameters of <br />broodstocks and production fish, and document changes over time. <br />Target date: July 2005-July 2008 <br />C. Task: To ensure no loss of allelic diversity, as needed sperm, eggs, or <br />individuals may be transferred between facilities or wild populations. (Based on <br />alternatives on page 35) <br />Target date: July 2005-July 2008 <br />D. Task: Estimate relatedness of individual broodfish. Do not spawn fish with a <br />relatedness estimate greater than 0.2. (if genetic survey indicates sufficient <br />diversity to use that cutoff) <br />Target date: July 2005-July 2008 <br />7) Establish a monitoring program to assess the long-term genetic integrity of captive broodstocks <br />and wild populations. <br />Management Action: Annual genetic sampling of production fish, `wild' populations, and <br />inventory of all broodfish. <br />A. Task: Request tissues from fish collected during wild population monitoring. <br />Target date: July 2004 <br />B. Task: Access archived tissues from all available sources to determine historical <br />and current baselines of populations. <br />Target date: July 2004 <br />36
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