Assistant Extension Professor, Assistant Professor of Animal Science, Dairy Specialist
Degrees: PhD., Animal Science, University of Minnesota, 2021
M.S., Animal Science, University of Minnesota, 2018
B.S., Animal Science, University of Rhode Island, 2015
Location: 145 Hitchner Hall
Precision dairy, crossbreeding, low-input, pasture-based, and feed efficiency.
AVS 368 Introduction to Animal Breeding and Selection
Pereira, G.M., K.T. Sharpe and B.J. Heins. 2020. Evaluation of the RumiWatch system as a benchmark to monitor feeding and locomotion behaviors of grazing dairy cows. J. Dairy Sci. 104: In press. https://doi.org/10.3168/jds.2020-18952
Pereira, G.M., B.J. Heins and M.I. Endres. 2020. Estrous detection with an activity and rumination monitoring system in an organic grazing and a low-input conventional dairy herd. Anim. Reprod. Sci. 221:106553. https://doi.org/10.1016/j.anireprosci.2020.106553
Pereira, G.M., B.J. Heins, B. O’Brien, A. McDonagh, L. Lidauer, and F. Kickinger. 2019. Validation of an ear tag–based accelerometer system for detecting grazing behavior of dairy cows. J. Dairy Sci. 101:1–16. http://dx.doi.org/10.3168/jds.2019-17269.
Pereira, G.M. and B.J. Heins. 2019. Activity and rumination of Holstein and crossbred cows in an organic grazing and low-input conventional dairy herd. Transl. Anim. Sci. 3:1435–1445. https://doi.org/10.1093/tas/txz106.
Pereira, G.M., B.J. Heins and M.I. Endres. 2018. Technical note: Validation of an ear-tag accelerometer sensor to determine rumination, eating, and activity behaviors of grazing dairy cattle. J. Dairy Sci. 101:1–4. http://dx.doi.org/10.3168/jds.2016-12534.
- Minegishi, B.J. Heins and G.M. Pereira. 2019. Peri-estrus activity and rumination time and its application to estrus prediction: Evidence from dairy herds under organic grazing and low-input conventional production. Livestock Science 221:144–154. https://doi.org/10.1016/j.livsci.2019.02.003.