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Eating Quality of Australian Grass and Grain-Fed Lamb Equally Rated by US Consumers
Journal article   Open access   Peer reviewed

Eating Quality of Australian Grass and Grain-Fed Lamb Equally Rated by US Consumers

Maddison T. Corlett, Liselotte Pannier, Graham E. Gardner, Andrea J. Garmyn, Mark F. Miller and David W. Pethick
Foods, Vol.13(1), 26
2023
DOI: https://doi.org/10.3390/foods13010026
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Published (Version of Record)CC BY V4.0,  Open Access

Abstract

Anecdotal suggestions that US consumers perceive Australian sheepmeat as more “gamey” or “stale” compared to US sheepmeat are potentially attributable to the extended chilled shipping times contributing to longer-aged meat and predominately pasture-fed grazing systems. This study evaluated the impact of diet and extended storage times on Australian sheepmeat using sensory scores as assessed by US consumers. Meat samples from Australian sheep (n = 80) fed a grass or grain diet were aged in a vacuum at 1–2 °C for 5, 21 or 45 days. Untrained consumers (n = 960) at Texas Tech University (Lubbock, Texas) assessed samples for overall liking, tenderness, juiciness and flavour using a scale from 1 (worst) to 100 (best). In general, US consumers scored grain- and grass-fed samples within the same storage period similarly (p > 0.05). Furthermore, storage from 5 to 21 days improved sensory scores by a maximum of 28.6 for tenderness for grass-fed outside cuts (p < 0.05), while storage for 21 to 45 days did not improve eating quality for most cuts of both diets (p > 0.05). This is an interesting finding for the Australian sheepmeat industry as long storage time has no negative effect on eating quality and US consumers enjoyed grass- and grain-fed sheepmeat equally.

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UN Sustainable Development Goals (SDGs)

This output has contributed to the advancement of the following goals:

#12 Responsible Consumption & Production

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