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Last modified
7/14/2009 5:02:32 PM
Creation date
5/17/2009 11:31:41 PM
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UCREFRP
UCREFRP Catalog Number
8010
Author
Montagne, M.
Title
The Grand Valley Propagation Facilities - 1997 Annual Report.
USFW Year
1998.
USFW - Doc Type
Grand Junction, CO.
Copyright Material
NO
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />24 ROAD HATCHERY <br /> <br />1. Treat fish with an antibiotic for 3 days prior to PIT tagging to reduce potential disease <br />problems. A prophylactic treatment of Chloramine T immediately after tagging could be <br />beneficial as well. <br /> <br />2. Feed razorback diet prepared by Bozeman Fish Technology Center until fish reach 65 mm <br />in length. This reduces the amount of crippling and other deformities from nutritional <br />deficiencies. <br /> <br />3. Adjust pH and temperature of hatchery water to more closely approximate pH and <br />temperature of Horse thief pond water at spawning. <br /> <br />4. Reduce feeding rate at the hatchery prior to egg transfer to reduce toxic ammonia and <br />nitrite levels in hatchery water. <br /> <br />CLYMER'S GROW-OUT POND <br /> <br />1. The pond should be more closely monitored to quickly identify problems. <br /> <br />2. Water quality should be tested more frequently and screens should be checked for holes <br />and debris. The pond should be checked weekly for mortalities or moribund fish and <br />treated if signs of disease are found. <br /> <br />3. Supplemental feeding over the winter might increase fish survivorship. <br /> <br />-20- <br />
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