Comparison of growth and production of holstein heifers raised on 100% or 115% of the nrc requirements

HIGHLIGHTS

• who: E.J. Bortone et al. from the State University and have published the research work: Comparison of growth and production of holstein heifers raised on 100% or 115% of the NRC requirements, in the Journal: (JOURNAL)
• what: This research was conducted to compare the performance of Holstein heifers reared on a diet that was not only high in energy but also high in protein, major minerals, and vitamins.

SUMMARY

Some studies have shown that optimum age at first calving should be between 22.5 and 23.5 mo. It has . . .

 



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