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Home / Products / Poultry / Strengthening broiler flocks
When applied in the hatchery via day of age spray, Poulvac® E. coli has been shown to yield a positive return on investment.1 It helps improve livability, cost per pound and feed conversion, and lower processing condemnations while reducing antibiotic treatment costs.
Cross-protecting against variant Infectious Bronchitis challenges can be difficult, especially in colder months. This was shown in winter 2014-2015, when one leading U.S. integrator experienced mortality greater than 8% in some flocks to the DMV/1639 IB challenge.1 When farms are threatened with respiratory diseases, Poulvac E. coli helps protect against secondary E. coli bacterial infection.
Poulvac E. coli helps reduce the reliance on antibiotics. The vaccine works to keep flocks healthy while meeting the needs of food retailers.
Trial results across multiple complexes demonstrated the cost savings alone from Poulvac E. coli vaccination more than justified the investment, especially in larger birds.1 And these results do not consider the economics of improved processing line speeds.
In particular, one U.S. broiler integrator recently studied how Poulvac E. coli would decrease the need for antibiotic treatment in growout. More than 4 million birds were vaccinated at day of age via coarse spray, with no hatchery antibiotic administered. Control flocks received gentamicin in ovo and were not vaccinated.2
Poulvac E. coli helped reduce the need for antibiotic treatment by nearly 16% (first graph). When antibiotics were required for E. coli, the average duration of treatment was 4.2 days less than unvaccinated flocks that received gentamicin (second graph). These results demonstrate how Poulvac E. coli can help reduce treatment costs and save diversion of antibiotic-free birds to conventional markets. Poulvac E. coli also helped lower condemnation rates from 1.06% to 0.76%.
Approximate weekly return on $13,000 cost for vaccinationA,B
A Calculations based on following improvements:
B Based on 2015 industry analysis.5 The following inputs were considered:
C Feed cost per ton includes $15.55 for milling and delivery
1 Cookson K, Barbosa T, Dickson J, Schaeffer J, Ritter D. Poulvac E. coli trial in commercial broilers seeing unusually high E. coli mortality secondary to IBV variant DMV/1639 challenge, in Proceedings. Southern Conf Avian Diseases 2016.
2 Data on file, Study Report No. B510-09-RFT.R, Zoetis LLC.
3 Data on file, Study Report No. 01-15-70R7M, Zoetis LLC.
4 Data on file, Study Report No. 01-15-7ADMJ, Zoetis LLC.
5 Monthly Live Production General Run. (2015, December). Agri Stats, Inc., 403.
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