Why should producers avoid using growth implants on breeding heifers?

Producers should avoid using growth implants on breeding heifers primarily due to health risks associated with their use during critical development stages. Growth implants can interfere with the natural reproductive development of heifers, potentially affecting future fertility and overall reproductive performance. The introduction of hormones through implants can disrupt normal hormonal cycles and lead to unintended consequences, such as altered estrus characteristics or developmental issues.

In particular, the use of such implants in young, developing heifers can lead to complications that may affect their ability to conceive or carry a pregnancy to term. This is particularly important for breeding heifers, as their reproductive health is crucial for the success of a breeding program.

While regulatory restrictions and concerns regarding growth performance may also play a role in the decision not to use implants, the direct health implications on the heifers themselves are the most pressing concern for producers focusing on long-term breeding success and animal welfare. Thus, avoiding growth implants helps safeguard the heifers' reproductive potential.