bobm
Garden Master
For beef heifers --- 12 +/- months, , for dairy 15 to 18 months old , and be about 70% of their adult weight for the breed. For best results the heifers should be vaccinated, wormed, and should be in good body condition and gaining on supplemental feeds and vitamin and mineral additives. It is helpful to have hormone treatment to induce heat / ovulation after their 1st heat cycle then be bred AI to a known bull that produces small birth weight calves.Bob at what age do you breed a cow?