jfflggßßMllM l|l -' M "' I'iAlii'MiigSggngSg. | n HEADLINE UPDATE [ Qacnicil A column to update hog producers on the H Pennsylvania Pseudorabies Eradication Program. || PSEUDORABIES SUCCESS STORIES IN THE MAKING Amy J. Nesselrodt Paul M. Pitcher Federal Veterinarians In our last article in the May 8 issue of Lancaster Farming, we presented case histories for three producers who eliminated pseudo rabies from their herds and were released from quarantine. In this article, we will give case histories for two producers who are still quarantined, but arc making steady progress in eliminating the infec tion from their herds. Producer A’s 350-sow farrow to h# 15 SPECIAL $5.00 OFF Per 50 Lb. Bag On All Orders Before June 30, 1993 Check with your local representative or call our office at 1-800-347-1468 finish herd experienced a severe outbreak of mortality in the far rowing rooms in the summer of 1990. Pseudorabies was diagnosed from tissuessubmitted to the Slate lab. A phased test and removal herd plan was devised. Breeding herd replacements (purchased from a qualified pseudorabies negative herd) were vaccinated twice, on arrival and again in two weeks. The breeding herd was vacci nated every four months, but fat hogs were not vaccinated at first Vaccinating fat hogs for myco plasma pneumonia seemed to con trol problems with excessive mor tality on the finish floor. Last sum mer, Producer A blood tested the breeding herd and fat hogs for NUTRI-SIL The Silage Maker Forage Inoculant A probiotic culture providing the bacteria required to cut hay and silage losses and improve quality. Make a Choice You Can Take to the Bank Fertrell Build's Nutrient Rich Soils and Healthy Animal Herds With Fertrell Both Land and Animals Can Reach Areas of Strong Productivity and Increased Quality. This Season Become a Team Player with Mother Nature, Fertrell and a Profitable, Sustainable Agriculture System. Fertrell Company Box 265, Balnbrldga, PA 17502 pseudorabies to monitor progress toward cleanup. Gilts and young sows were- holding negative, but the fat hogs were positive. Producer A began vaccinating feeder pigs as they left the nursery and again in two weeks. Recently, the herd was blood tested again. This time, the fat hogs were nega tive. The culling rate has remained around 35 percent pa- year in this herd since the outbreak, so few animals are left in the herd which were present during the initial out break. These will be tested this summer. Any positive sows will be removed immediately, and testing to qualify for quarantine removal will commence lata this year. Meanwhile, all herds within two miles will be tested to provide assurance that Producer A’s herd will not be reinfected. Vaccination of the breeding herd will continue until the number of hads quaran tined for pseudorabies in the coun ty has declined. Producer B’s 120-sow feeder pig producing herd experienced a mild outbreak of pseudorabies in March of 1992. Several sows lost most of their pigs at 7 to 10 days of age. The entire breeding herd was vaccinated within three days of the first pig deaths. Nursing pigs con tinual to die for about a week, but over the course of the outbreak, only about 35 pig deaths were attri butable to pseudorabies. The breeding had was given a booster dose of pseudorabies vac cine two weeks after the fust dose. Psuedorabies vaccination of the breeding had was repeated every four months. A year after the out break, 15 gilts and young sows were blood tested. All but one tested negative, suggesting that the vaccination program had been effective at preventing virus circu lation in the herd. Produca B has found a facility to allow off-site raising of gilt replacements. This will also decrease the overcrowding in the herd and reduce stress levels. These measures will help prevent PDPP Announces Lancaster HARRISBURG (Dauphin Co.) The dairy fanners of Pennsyl vania will celebrate June Dairy Month in Lancaster on Friday, June 11, in the city’s Penn Square, downtown. The event will run from 11:30 a.m. to 1:30 p.m. and will include dairy product sampling, live ani mal displays, musical entertain ment, and a celebrity cow milking contest. The event is part of a statewide KENT Clarkle's Garage of Smyrna 552 South DuPont Hwy Smyrna, DE 19977 302-653-7031 NEW JERSEY MONMOUTH Gravely Tractor Agency RD #4 Box 12, Rt 9 Freehold, NJ 07728 908-462-0743 NEW YORK SENACA Zimmerman'* Small Engine Repair Aaron B Zimmerman 3680 Watts Road Waterloo, NY 13165 315-565-6382 Lancaster Farming, Saturday, June 5, 1993-C3 new infections of all types in the herd. The herd is getting old, so Producer B plans to increase (he culling rate and remove most of the older, infected sows at weaning. We are hopeful that testing to qual ify for quarantine release can begin next year. These are only two examples of the many we see where producers dedicated to sound disease control procedure: 1 make steady progress toward a )<seudorabies-free herd. These producers often have the healthiest and most productive herds as well. Adopting such pro cedures not only helps prevent or control pseudorabies and other dis eases, it makes good economic sense! Promotion celebration of the state’s dairy industry, the leading agricultural industry in Pennsylvania. Annually, the dairy industry contributes over $1.4 billion to the state’s economy and provides nearly 56,000 jobs. The event will be highlighting the state’s official beverage, milk. Further informa tion is available by calling the Pennsylvania Dairy Promotion Program at (717) 787-6903. AIR TOOLS IN STOCK! Please write for prices. 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