arming, mcasl NAZARETH - Lehigh- Northampton County Cooperative Extension services held a three day advanced Dairy Nutrition School on March 13-15. The 14 students came from Monroe, Lehigh and Northampton Counties in Pennsylvania and Warren County in New Jersey. The group consisted of dairy farmers and feed company representatives. Instruction was handled by Dr. Charles Gardener, veterinarian at the Ackermanville Veterinary Hospital; Richard Selenium need discussed COLUMBUS, Oh. - Dr. Harlan Bigbee, Director of Clinical Research for Sobering Cor poration’s Animal Health Division, recently addressed members of the Ohio Veterinary Medical Association about the biological importance of selenium and vitamin E. He described disorders in livestock caused by deficiencies of these nutrients, and how they can be prevented by sup plementation. Bigbee explained, “Selenium is a component of the enzyme glutathione peroxidase, which prevents damage to cell mem branes by harmful byproducts of metabolism. Selenium combines with vitamin E to act in other important biological processes, including reproductive, liver and cellular mitochondrial functions. ” Disorders caused by selemum/vitamin E deficiencies include white muscle disease (nutritional muscular dystrophy) in cattle and sheep, and Mulberry heart disease and liver disorders in swine. “Sometimes little or no success is had treating these disorders, since damage is usually irreversible by the time symptoms Chester seeding sale set WEST CHESTER - The 1984 Annual Chester County Tree Seedling Sale will be held in nine locations around Chester County on April 13 and 14, Harold Kulp, Chairman of the Chester County Conservation District announced. Trees are obtained and distributed to civic organizations, which use the tree sales as a fund raising activity as well as helping residents aid the environment. Varieties available will be White Pine, Blue Spruce, Douglas Fir and Hemlock. A few locations will have White Spruce and Norway Spruce. The seedlings will be packaged in bundles of ten trees for $4.00. Organizations assisting in the Correspondence courses UNIVERSITY PARK - People who keep small flocks of poultry or numers of rabbits in their backyards can take correspon dence courses from Penn State to learn how to manage these operations. The following courses are available; Poultry Keeping - Correspon dence course No. 92, ($10.75). Covers quailty egg production and marketing, management, breeds, varieties, housing, equipment, feeding, nutrition, disease control, brooding and general care of chickens. Rabbit Production lard Dairy nutrition school held Adams, Dairy Specialist at Penn State; and County Agents David Dunbar from Lehigh County and Greg Solt from Northampton County. “We crammed a graduate level college nutrition course into three days” reports Greg Solt. “We worked them hard and long and they still wanted more according to the evaluations they returned to us.” “The type and level of in struction at a meeting like this just isn’t available to the dairymen from any other source except a appear,” Bigbee warned. Dr. Bigbee stressed that “prevention is the best way of avoiding selenium/vitamin E responsive diseases.” Preven tative injections of selenium and vitamin E are extremely effective in assuring adequate protection for cattle, sheep and swine. Selenium and vitamin E-contaming feed additives are also available. Supplementation is especially needed in areas of selenium deficient soil. Bigbee noted “the extent of selenium-deficient areas in the U.S. is growing, largely due to effects of modern high production agriculture.” He also stated that “acid soils render naturally occuring selenium biologically unavailable to the animal. Vitamin E is not stored well in the animal’s system, and is broken down rapidly in stored feed and grain treated with propnonates.” Dr. Bigbee summarized by urging the veterinarians to make producers more aware of problems caused by selenium/vitamin E deficiencies and let them know that these problems can be avoided by supplementation. sale, sales locations and tunes are; (Sales start: Friday evening, 6:30 p.m., Saturday morning, 9:30 a.m.) B.S.A. Troop 70, (Downing Center Superfresh-Downmgtown, ACME-Thorndale, Croppers Market-Guthnesville); Central Chester County League of Women Voters, (Fiore’s Market- Marchwood, West Goshen Shop ping Center); F.F.A. Northern Chester County Vo-Tech School (Greenhouse behind school off Charlestown Rd.); Professional Secretaries International, (Stoltzfus I.G. A.-Honeybrook); Red Clay Valley Assoc., (Tunis Bros.-Kennett Square, Greenbank Station of Wilm. & Western RR, Rt. 41 N. of Princes Corners- Saturday). available Correspondence course No. 109,. ($6.75). Includes lessons on housing, equipment, feeding, nutrition, disease control, breeding, marketing ard management. Turkey Production Correspondence course No. 106, ($9). Covers producing, managing, breeding, feeding and handling turkeys for market acceptance. To obtain any of the above courses write to The Pennsylvania State University, Box 5000, University Park, PA 16802. Be sure to list course number and title and enclose a check payable to: The Pennsylvania State University. resident college program” ex- “Did it sink in?” “Well, our post plains Solt. “There probably aren’t quiz was taken directly from a 25 other people in the counties graduate level rumenology course represented, including feed I had at Penn State several years company representatives, who ago,” Solt responded. “The have as up-to-date information on average score was over 70% ”, “I energy and protein utilization and think that proves our clients can requirements. ” handle it. ” David Dunbar, Lehigh County Agent, standing, and Allen Minnich, Northampton County dairy farmer, study calf tissue samples during two-county Dairy Nutrition School. CUT FEED COST on ruminant stomach animals. Indepentant feed consultant using a new method of testing which gives a true reading on digestable protein and actual TDN. Your home grown feeds may have more nutrients than you are aware of. 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