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. 2019 Dec 12;9(12):1136. doi: 10.3390/ani9121136

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Cohort averages of estimated organic matter digestibility (OMD) (black circles) and feed efficiency ratio (ADG/DMI) (red squares) vs. NDF of Galle heifers (empty) and Borculo heifers (colored filling).