The duration values in the following table reflect manufacturer's recommendations and industry practices. Classification of implants for weaned calves with regard to active ingredients and duration of use. Total gain can be improved if cattle are re-implanted over time. Any implant strategy should take into account the expected finish date of the cattle. One can expect animal performance to be depressed if cattle are fed beyond the active duration of the final implant.
Implants increase animal and carcass weight.
Use moderation in your implant program if your cattle are already borderline for maximum industry standards for animal and carcass weight. Occasionally, there is over-use of implants. Estrogenic compounds can increase riding and prolapses. Androgenic compounds can increase the number of dark cutters. CC-Type implants should usually be used only once and the best time to use them is as the last implant before slaughter.