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Follow BQA Guidelines When Culling Cows

October 18, 2010
By: Glenn Selk, Oklahoma State University Extension beef specialist
 
 

October and November are typical months for calf weaning, pregnancy checking of cows, and cow culling. On very rare occasions violative residues of pharmaceutical products have been found in carcass tissues of cull beef cows. Violations of drug residue regulations can result in expensive fines (or even worse, jail time) for the rancher and a “black-eye” for the entire beef industry.

It is vital that cow calf producers have a close working relationship with a large animal veterinarian in their area. If a cow has an infection or disease that must be treated, her owner should closely follow the veterinarian's directions, and also read the label of the product used. Most of these medications will require that the producer keep the treated animal for the label-directed withdrawal time. The Beef Quality Assurance Manual usually contain the following discussion of medication withdrawal times.

"A withdrawal time may be indicated on the label of certain medications. This is the period of time that must pass between the last treatment and the time the animal will be slaughtered or milk used for human consumption. For example, if a medication with a 14-day withdrawal period was last given on August 1, the withdrawal would be completed on August 15 and that would be the earliest the animal could be harvested for human consumption. All federally approved drugs will include the required withdrawal time for that drug on the product label or package insert. These withdrawal times can range from zero to as many as 60 days or more. It is the producer's responsibility to be aware of withdrawal times of any drugs used in their operation. Unacceptable levels of drug residues detected in edible tissues collected at harvest may result in traceback, quarantine, and potential fines or jail time. Substantial economic losses may result for the individual producer as well as negative publicity for the entire beef industry…”

Producers are responsible for residue problems and should follow these four rules:

1. Do not market animals for food until the withdrawal time listed on the label or as prescribed by the veterinarian has elapsed.

2. Use only medications approved for cattle and exactly as the label directs or as prescribed by your veterinarian.

3. If ever in doubt, rely on the veterinarian-client-patient relationship you have established with your veterinarian.

4. Keep well organized, detailed records of pharmaceutical products given to individually identified animals. Include in the record, the date of administration, route of administration, dosage given, lot or serial number of product given, person delivering the product, and label or prescription listing of withdrawal dates.

Examples of Beef Quality Assurance records can be found here. Records should be kept for at least three years after sale of the animal.

 

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