Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Relationships of a Detailed Mineral Profile of Meat with Animal Performance and Beef Quality

Version 1 : Received: 2 November 2019 / Approved: 3 November 2019 / Online: 3 November 2019 (17:38:11 CET)

A peer-reviewed article of this Preprint also exists.

Patel, N.; Bergamaschi, M.; Magro, L.; Petrini, A.; Bittante, G. Relationships of a Detailed Mineral Profile of Meat with Animal Performance and Beef Quality. Animals 2019, 9, 1073. Patel, N.; Bergamaschi, M.; Magro, L.; Petrini, A.; Bittante, G. Relationships of a Detailed Mineral Profile of Meat with Animal Performance and Beef Quality. Animals 2019, 9, 1073.

Abstract

Mineral profile of beef interests human health, but also animal performance and meat quality. This study analyzes the relationships of 20 minerals in beef (ICP-OES) with 3 animal performance and 13 meat quality traits analyzed on 182 samples of Longissimus thoracis. Animals’ breed and sex showed limited effects. The major sources of variation (farm/date of slaughter, individual animal within group and side/sample within animal) differed greatly from trait to trait. Mineral contents were correlated to animal performance and meat quality being significant 52 out of the 320 correlations at the farm/date level, and 101 out of the 320 at the individual animal level. Five latent factors explained 69% of mineral co-variation. The most important, “Mineral quantity” factor correlated with age at slaughter and with the meat color traits. Two latent factors (“Na+Fe+Cu” and “Fe+Mn”) correlated with performance and meat color traits. Two other (“K-B-Pb” and “Zn”) correlated with meat chemical composition and the latter also with carcass weight and daily gain, and meat color traits. Meat cooking losses correlated with “K-B-Pb”. Latent factor analysis appears be a useful means of disentangling the very complex relationships that the minerals in meat have with animal performance and meat quality traits.

Keywords

macro-minerals; micro-minerals; environmental-minerals; beef quality; beef production; multivariate analysis

Subject

Chemistry and Materials Science, Physical Chemistry

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