HIGHLIGHTS
- who: Taina Silvestre et al. from the University of Milan, Italy have published the research: Energy requirements of Holstein, Gyr, and Holstein u00d7 Gyr crossbred heifers using the respirometry technique, in the Journal: (JOURNAL)
- what: The aim of this study was to evaluate the effects of breed c omposition on the net and metabolizable e ne rgy requirements for the maintenance and gain of Holstein, Gyr, and HG prepubertal dairy heifers and compare the estimates with those of NRC and INRA . The models described to estimate energy requirements (RE and HP models) were fit according . . .
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