Proper Injection Sites to Remember at Calf-working Time

May 3, 2009 07:00 PM
 

The month of May is traditionally the time when "spring round-ups” take place and many cow-calf operations schedule the working of the calves, says Glenn Selk, Oklahoma State University Extension beef specialist.

As the majority of the calves reach their second month of life, it is time to castrate the male calves and immunize all of the calves to protect them against blackleg, say Selk. Also the new information (Follow this link to read more on the research) suggests that in some situations, calves may be vaccinated for the respiratory diseases, i.e. IBR and BVD.

Correct administration of any injection is a critical control point in beef production and animal health. There is a negative relationship between meat tenderness and injection sites, including injection sites that have no visible lesion. In fact, all intramuscular (IM) injections, regardless of the product injected, create permanent damage regardless of the age of the animal at the time of injection, says Selk. Tenderness is reduced in a 3-inch area surrounding the injection site. Moving the injection-site area to the neck stops damage to expensive steak cuts. Therefore, cow-calf producers should make certain that their family members, and other hired labor are sufficiently trained as to the proper location of the injections before the spring calf-working begins.

Give injections according to label instructions. Subcutaneous (SQ) means under the skin, intramuscular (IM) means in the muscle. Some vaccines (according to the label instructions) allow the choice between intramuscular (IM) and subcutaneous (SQ). Always use subcutaneous (SQ) as the method of administration when permitted by the product's label. Remember to "tent” the skin for SQ injections unless instructed otherwise by the manufacturer.

Beef producers are encouraged to learn and practice Beef Quality Assurance Guidelines. You can learn more about the Oklahoma Beef Quality Assurance program by going to the Web site and downloading the Oklahoma Beef Quality Assurance Manual.


For questions or comments, e-mail Kim Watson, editor Beef Today.
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