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Pleasant Mills, PA » 17853 717-539-4571 LAPP’S BARN EQUIPMENT Gap, PA 17527 717-442-8134 MAM BARN SALES Weatflald, PA 18860 814-334-5452 McMILLEN BROS. ' Loyavllle, PA 17047 717-789-3961 MENDENHALL DAIRY FARM SERVICE Brookvllla, PA 15825 814-849-5539 OESTERUNG’S GRINDING & FEED Worthington. PA 16282 412-238-1819 PRINGLE’S FEED STORE Greenville, PA 16125 412-588-7950 WILLIAM H. ROMBERGER Pitman. PA 17964 717-648-7081 ROVENDALE AG & BARN EQUIPMENT Wationtown, PA 17777 717-538-9564 SOMERSET BARN EQUIPMENT Somerset, PA 814-445-5555 TIM WALLACE Marlon Center, PA 17579 412-397-8931 ROBERT ZIMMERMAN Newville, PA 17241 717-776-5951 ZIMMERMAN’S FARM SERVICE Bethel, PA 19507 717-933-4114 Get A Handle On (Continued from Pag* A 1) lation was an experiment that worked well. “This was a trial situation.*’ said Clyde Myen. Berks extension agent. "We wanted to find out if it would work.** “We found out that it did work,” said Shea. Rcsearchen thought that heat could have been a factor. But it wasn’t. What killed the flies was the ammonia produced from the manure. “We think that’s what actually is killing the fly larvae and pupae.’’ said Dr. Charles Pitts. Penn State fly expert. “It kills practically everything in there.” Pitts indicated that Penn State research is under way to investi gate different concentrations of ammonia in the laboratory to see just how much it takes to kill flies. Shea was happy with the results of the experiment. His concern was that die manure he tried to sell could pose a problem after it was spread on the field. Shea is con vinced that, with a little extra labor, he could save on traditional Fites swarm around a calf hutch bucket. Fites continue to bs a problem for produo* ers. but Penn Stats has some effective ways to control them at this year’s expo. chemical fly control costs and pro duce an environmentally friendly product. ‘ ‘Environmentally friendly” can translate into better neighbor relations, important for farm survivability. But Pitts cautioned that these concerns are prevalent for any pro ducer that handles any type of manure. “There’s more than poultry manure that’s causing the prob- SIMM, who manages 216,000 layers for Wenger’s Feed in Shartlesvllle, recently participated in a Penn State-sponsored fly control study on his farm. In June this year, after collecting 200 tons of layer manure from his houses, the manure (at a moisture level of 60 percent) was moved to a distant part of his farm, dumped in a row at the edge of a field and covered with 6-mil black plastic, measuring 100 feet by 25 feet, and sealed over with dirt. iJricaatar Fanning, Saturday, Novambar 4,1995-A25 lent,” he said. “It’s not just poul try. I don’t think we can give it all to the poultry’ people.** Shea said that ideally, for him. die best system would be some type of accessible concrete manure storage platform that could serve as a treatment fly control center. The finished product could then be a valuable nutrient resource. “This is just another tool,” said Pitts. “All of this has lo come within some sort of framework of a management decision. (A produc According to Clyde Mynre, Berks extension sgent, right, the berrsls ere pieced neer caH hutches. A bait (using a vari ety of material, Including spoiled milt, dead birds, feed, or commercially available fly trap lure) la placed under a fun nel screen. The files enter the screen and are trapped. Hetrick, dairy fanner in Bemville; Paul Moyer; and die Teen Chal lenge Dairy Finns. According to Clyde Myers, Berks extension agent, the barrels are placed near calf hutches. A bait (using a variety of material, including spoiled milk, dead birds, feed, or commercially available fly trap lore) is placed under a funnel screen. The flies enter the screen and ate trapped. What works best is a milk and yeast combination that has proven successful, according to Myers. New work involves S-gallon buck ets, which have proven effective. A bait can be colostrum milk in the fermentation stage (the rweet/rour stale). cr) can’t just stop everything and do what wb want him to do and then lose money on top of it.” Produced may want to consid er, if they have a “hot” house (that may have lots of fly larvae and pupae), that before spreading, in spring and fell, they would cover the manure for two weeks fust to handle die fly problem. Another study, conducted on Lancaster County fields, is exa mining ways in which plowing impacts survival of the eggs, lar vae, and pupae in the field. A big problem is field hatch of flies. When die manure is spread on the field, unless it is buried, fly populations have the potential to “explode.” The study has found that moldboard plowing is the best way to control flies, because the fly material is buried. Other tillage methods, such as chiseling or discing, ate ineffec tive and may actually help boost field hatch because the material isn’t sufficiendy buried. "If you can bury them deep enough, then the more difficult it is Flies for them to emerge after they pupate,” said Renter. Kessler aaid that studies this past lummer, including extremely hot day* in July and August, showed dial the heat itself may have done as much to reduce fly populations without any kind of plowing. Several hums in Berks County are participating in a Penn State sponsored study that is examining the use of SS-gsOon barrels and S-gallon plastic jugs to act as fly traps. Those firms include Roy Another Penn State study exa mines ways in which “photoacti vated” dyes are spread on the fly larvae. When exposed to sunlight, the dyes create a chemical reaction which kills die flies. The challenge is being ablejo sufficiently cover the larvae with the dye material “There’s still a lot of work to be (Turn to Pago A 26)
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