Preprint Article Version 1 This version is not peer-reviewed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)

How to cite: Patel, N.; Bergamaschi, M.; Magro, L.; Petrini, A.; Bittante, G. Relationships of a Detailed Mineral Profile of Meat with Animal Performance and Beef Quality. Preprints 2019, 2019110025 (doi: 10.20944/preprints201911.0025.v1). Patel, N.; Bergamaschi, M.; Magro, L.; Petrini, A.; Bittante, G. Relationships of a Detailed Mineral Profile of Meat with Animal Performance and Beef Quality. Preprints 2019, 2019110025 (doi: 10.20944/preprints201911.0025.v1).

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.

Subject Areas

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

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