It is however helpful to have an estimate of the genetic merit of all heifers. These estimates are derived from the pedigree. This will allow removal of those animals with the lowest production potential. Health Producing healthy, well-grown animals is the goal of all heifer rearing programs. Concern over health begins at conception and continues throughout the animal's life.
Any health problem results in increased labor, drug and veterinarian costs.
The calves produced will be less thrifty, slower growing, will take longer to develop, and will be older when they enter the milking herd. The production potential may be reduced because of the health problems that have occurred. Two sets of health records should be maintained. Health action sheets. Many health management practices such as vaccinations, worming and dehorning are carried out on a regular basis.