Vaccination helps build a better colostrum supply which is responsible for preventing disease in baby calves.
tion is driven by selenium. These trace minerals have to be available when needed for the immune system to function. Trace minerals are essential for production of key antitoxidants in the immune system. After consumption, inorganic trace minerals re-
quire approximately 45 days for absorption, whereas chelated trace minerals take 21 to 30 days. The absorp- tion period can be reduced to 24 hours with injectable trace minerals; however, injectable formulations do not replace an oral supplementation program. They only supplement it. A good practice is to inject trace miner- als in cows 30 days prior to calving and bulls 60 days before breeding season. Injected trace minerals bypass oral antagonists
such as sulfur, iron and molybdenum and can be used to strategically target periods of high demand by the animal. Because of these actions, use of injectable
trace minerals can help improve response to vaccines. In summary, vaccine response can be improved by the following practices: • Use the right vaccine at the correct dosage and at the right time.
• Use good hygiene when handling vaccines and syringes.
• Keep vaccines cool. • Avoid placing animals in high stress situations. • Feed cattle the right amounts of protein, energy, vitamins, macro-minerals and trace minerals.
• Consider injecting trace minerals when vaccinating to enhance vaccine response. Improved vaccine response can contribute to better
animal production and increased ranch profi ts . Discuss your herd’s vaccination and mineral needs with your veterinarian.
A 2016 Cattle Raisers Convention presentation Save the Date for the 2017 Cattle Raisers Convention, March 31 to April 2, San Antonio
tscra.org
August 2016 The Cattleman 89
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