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. 2022 Jun 24;12(13):1628. doi: 10.3390/ani12131628

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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Plot of predicted versus measured values of digestible energy. Equation 1: Equation of Núñez-Sánchez et al. [8]. Equation 2: Equation of Zeyner and Kienzle [14] modified as presented in Kienzle and Zeyner [4].