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NEWS page 5 issue four Products ENCOURAGING SIGNALS ON CROSS-PROTECTION AGAINST S. JAVA Clean-up pattern in 8 trial houses from a 100% S. Java-positive farm Strain-specific vaccines against S. Java are not available in the market, but some cross-protection from vaccination against Salmonella Typhimurium is expected, for both serotypes are categorised under group B of Salmonellae (Kaufmann-White scheme). In Germany and the Netherlands, AviPro ® SALMONELLA VAC T, Lohmann’s live vaccine for drinking water against S. Typhimurium, has been used in several field trials to investigate its aid in the control of S. Java. Farms with good biosecurity, hygiene control and a monitoring programme for Salmonella spp. used our ST vaccine for several cycles of broilers. The results have generally shown that sequential rounds of vaccination may help cleanup the farm of S. Java. Salmonella paratyphi B, variation Java (better known as Salmonella Java) is an increasing problem in chicken farms, a fact which constitutes a potential threat to public health. The bacteria may persist on farms despite adequate quality control scores, appearing again in subsequent chicken flocks (broilers) even after adequate disinfection procedures. It is believed that the bacteria may be harboured by unknown reservoirs, which, under sequential rounds of vaccination, would also be cleaned up, together with the flocks. These are not only encouraging indicators of cross-protection of this remarkable vaccine against S. Java, but they also point out that vaccination only may not be sufficient for a complete Salmonella control programme. Other preventive measures, such as clean feeds and water, hygiene, biosecurity and monitoring, will complete the shield of protection around the birds. Note: AviPro ® SALMONELLA VAC T does not have a registered claim against S. Java. Products FOR CHICKEN ANAEMIA – NO BETTER PREVENTION THAN THYMOVAC A serology profile (CAV titres) for breeders and their progeny was studied by Dr Beatriz Cardoso and Dr Lindolfo Rocha, both based in the LAH office in Brazil. The study tried to verify a correlation between breeder titres and progeny titres; difference between immunisation programmes (drinking water vaccine AviPro ® THYMOVAC; injected competitor’s vaccine; and naturally infected breeders); and a correlation between day-of-age titres and actual CAV field problems. Several flocks from different companies were studied. Serum was collected at least during 3 different ages and day-old chicks were tested also from differently aged flocks. Data was compared to broiler performance. The results confirmed: Direct correlation between consistency and uniformity of breeder titres with progeny titres For broiler flocks CAV negative at slaughter, no difference in performance made the titre level at day-of-age Higher titres at day-of-age presented better performance results among broiler flocks which were CAV positive at slaughter Birds vaccinated with AviPro ® THYMOVAC had the most consistent, long-lasting titres in breeders and the higher averaged titres in the progeny at day-of-age, compared to the injected vaccine or to naturally infected flocks Protection with AviPro® THYMOVAC Vaccination stops the spread of wild virus among breeders and vertical transmission The study was presented by Dr Cardoso at the American Association of Avian Pathologists’ annual conference in Honolulu in 2006.
Products NEWS page 6 issue four Ask us! HOW TO USE TO GET THE RIGHT SOLUTION FOR YOUR NEEDS Eduardo Bernardi, Head of Marketing and Registrations What is the ideal concentration of AviBlue for the vaccine drinking water For a good control of water flow and verification of the outreach of vaccine throughout the drinking systems, the recommended 1 cap/200 litres of water is sufficient. The light blue water will be seen in drinking cups, troughs, bell and nipple drinkers. This concentration will also be enough to stabilise negative effects of tap water on the live vaccines. What about for staining tongues – do we need higher concentration The verification of stained (bluish) tongues throughout the flock is an efficient method to verify the uniformity of actual vaccine water intake by the birds, rather than the uniform distribution of it. For slightly stained tongues, AviBlue on a 5x concentration of the above-mentioned measure is sufficient (i.e. 5 caps/200 litres). Should I change any of my water vaccination procedures because of AviBlue All procedures should still be the same. Instead of milk/milk powder, add AviBlue to water tank or stock solution and then dissolve vaccine. Vaccine blue water should still be verified to be available in all nipple or cup drinkers, and in dark houses, if needed, with the aid of a torch (flashlight). However, if the use of AviBlue is clearly indicating that vaccine water is not reaching all birds, then procedures should be changed to correct the failure. Guideline for the use of AviBlue Dosage Effect 1 bottle for 1 cap for For 1,000 litres 125 g/1,000 l water stabilisation 3,000 litres 200 litres 5 caps = 1/3 bottle + light colouring of water 3-fold water stabilisation 1,000 litres 70 litres 15 caps = 1 bottle + blue water 5-fold water stabilisation 600 litres 40 litres 25 caps = + blue water 1 bottle + 1 cap + blue tongue 10-fold water stabilisation 300 litres 20 litres 50 caps = + dark-blue water 3 bottles + 5 caps + intensive tongue colouring + colouring of the crop Avian Professionals NEW COLLEAGUES AT CUSTOMER SERVICE The customer service department at Lohmann USA is now benefiting from the help of Sharon Violette. This Winslow, ME native worked at an electronics company for 16 years in the production and shipping departments for domestic and international orders. She then changed her Sharon Violette position, quickly obtaining a chance in management and supervising three other managers in engineering, quality and materials. Sharon has also spent some time enjoying a job position where she was responsible for planning. This new LAH responsibility as an International Orders Coordinator will connect Sharon with customers in North Africa, Europe and the Middle East. Claudia Tweedie is the new contact for the Marketing Department at Lohmann in the USA. Working for customer service as an International Orders Coordinator, this native Spanish speaker from El Salvador is assigned to all Latin American markets, but will dedicate a quarter of her time to the Claudia Tweedie marketing group in Germany. Claudia has a degree in communications for marketing and advertising. Her job experience includes TV and radio production (some will probably recognise her from appearances on several shows on TV Azteca). She has worked on many projects, including brochures, logos, promotional items and entire retail campaigns, specialising in corporate identity and branding.
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