CAN THE RATION FORMULATION IMPROVE RESULTS WITH VACCINATION?
A. Yes. The ration formulation can be designed to maximize growth in Coccivac vaccinates and it can minimize secondary bacterial challenges that could induce enteritis. Data suggest that improved levels of total sulfur amino acids in the first 2 to 3 weeks is linked to better performance in broilers receiving Coccivac-B. Extra fortification with fat-soluble vitamins (D and E) during peak vaccinal oocyst cycling may improve performance. Vitamin D supplemented at 40,000 to 60,000 IU in the starter feed is recommended. The ration must be formulated to enhance growth from day 28 through slaughter, maximizing compensatory gain. Very low protein diets should be avoided. Pay special attention to the digestibility of raw materials in the starter feed. Subtherapeutic levels of antibiotics with anticlostridium activity (bacitracin, virginiamycin, etc.) or with the ability to manage intestinal microflora composition (bambermycin) are highly recommended during the immunity-building phase of vaccin
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- CAN THE RATION FORMULATION IMPROVE RESULTS WITH VACCINATION?