REPLACEMENT HEIFER DEVELOPMENT - MINERAL AND VITAMIN SUPPLEMENTATION AND USE OF PHARMACOLOGICAL AGENTS

Ensuring optimum and balanced intake of macrominerals, trace minerals, and vitamins is important in heifer development programs. Veterinaria ns consulting in these programs must also advise clients on the proper use of medications to control coccidiosis and on the use of ionophore s, anabolic implants, and anthelmintics. Once a program for selection and nutritional development of replacement heifers is in place, veteri narians should guide their;clients through estrus synchronization and artificial insemination to capitalize on the genetic and management ad vantages of using prevent Superior sires. The third article in this se ries will review the energy and protein aspects of nutritional develop ment, followed by the final article, which will examine strategies to synchronize estrus to maximize the benefits of artificial insemination .