Pre-Breeding Considerations for the Development of Replacement Beef Heifers
Young heifers at the Range Cattle Research Station. These beef cows are all at least 3/4 Angus. They are part of an attempt to create a white Angus breed. During the summer the white cows, coined "white Angus" by the researchers in Ona, have a body temperature that is one degree cooler than the traditional black Angus. UF/IFAS Photo: Sally Lanigan.
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Beef Cattle Management


How to Cite

Fontes, Pedro L. P., Nicky Oosthuizen, Carla D. Stanford, and G. Cliff Lamb. 2016. “Pre-Breeding Considerations for the Development of Replacement Beef Heifers: AN329/AN329, 11/2016”. EDIS 2016 (9):3.


The efficiency of post-weaning development of heifers has a major impact on the overall profitability of cow-calf operations. To ensure satisfactory performance during the first breeding season, replacement heifers must be subjected to an adequate development program. This 3-page fact sheet covers age at puberty, nutrition, target body weight gain, pelvic area measurements, reproductive tract score, and herd health. Written by Pedro L. P. Fontes, Nicky Oosthuizen, Carla D. Sanford, and G. Cliff Lamb, and published by the UF Department of Animal Sciences, November 2016. 

AN329/AN329: Pre-Breeding Considerations for the Development of Replacement Beef Heifers (
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Anderson, K. J., D. G. Lefever, J. S. Brinks, and K. G. Odde. 1991. "The use of reproductive tract scoring in beef heifers." Agri-Practice 12: 19.

Cushman, R. A., L. K. Kill, R. N. Funston, E. M. Mousel, and G. A. Perry. 2013. "Heifer calving date positively influences calf weaning weights through six parturitions." J. Anim. Sci. 91: 4486-4491.

Dahlen, C., and G. L. Stokka. 2015. "Soundness examinations." Accessed on October 25, 2016.

Day, M. L., and G. P. Nogueira. 2013. "Management of age at puberty in beef heifers to optimize efficiency of beef production." Anim. Front. 3: 6-11.

Lamb, G. C., V. R. G. Mercadante, D. D. Henry, P. L. P. Fontes, C. R. Dahlen, J. E. Larson, and N. DiLorenzo. 2016. "Invited Review: Advantages of current and future reproductive technologies for beef cattle production." Prof. Anim. Sci. 32: 162-171.

Lancaster, P., and C. Lamb. 2014. Targeting ADG of Developing Replacement Heifers Using Age and Body Weight. AN305. Gainesville: University of Florida Institute of Food and Agricultural Sciences.

Patterson, D. J., R. C. Perry, G. H. Kiracofe, R. A. Bellows, R. B. Staigmiller, and L. R. Corah. 1992. "Management considerations in heifer development and puberty." J. Anim. Sci. 70: 4018-4035.

Rodgers, J. C., S. L. Bird, J. E. Larson, N. DiLorenzo, C. R. Dahlen, A. Dicostanzo, and G. C. Lamb. 2012. "An economic evaluation of estrous synchronization and timed artificial insemination in suckled beef cows." J. Anim. Sci. 90: 4055-4062.

Troxel, T. 2011. "Pelvic area measurements in the management of replacement heifers." Accessed on October 25, 2016.;US201300003567.