Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Southern African Large Frame Indigenous Veld Goat and Boer Goat Wether and Buck Tenderness and Colour of Six Muscles

Version 1 : Received: 23 November 2021 / Approved: 24 November 2021 / Online: 24 November 2021 (10:47:43 CET)

How to cite: van Wyk, G.L.; Hoffman, L.C.; Strydom, P.E.; Frylinck, L. Southern African Large Frame Indigenous Veld Goat and Boer Goat Wether and Buck Tenderness and Colour of Six Muscles. Preprints 2021, 2021110452 (doi: 10.20944/preprints202111.0452.v1). van Wyk, G.L.; Hoffman, L.C.; Strydom, P.E.; Frylinck, L. Southern African Large Frame Indigenous Veld Goat and Boer Goat Wether and Buck Tenderness and Colour of Six Muscles. Preprints 2021, 2021110452 (doi: 10.20944/preprints202111.0452.v1).

Abstract

Meat tenderness, water holding capacity (WHC) and colour attributes of six muscles (Longissimus thoracis et lumborum (LTL), Semimembranosus (SM), Biceps femoris (BF), Supraspinatus (SS), Infraspinatus (IS), Semitendinosus (ST)) from large frame Indigenous Veld Goats (IVG) and Boer Goats (BG) were studied. Weaner male Boer Goats (BG; n = 18; 10 bucks and 8 wethers) and large frame Indigenous Veld Goats (IVG; n = 19; 9 bucks and 10 wethers) were raised on hay and natural grass, and on a commercial pelleted diet to a live weight of 30 - 35 kg. All goats were slaughtered at a commercial abattoir and the dressed carcasses chilled at 4°C within 1-hour post-mortem. The muscles were dissected from both sides 24-hours post-mortem and aged for 1-day and 4-days. Variations in meat characteristics such as ultimate pH, WHC, percentage purge, myofibril fragment length, intramuscular fat, connective tissue characteristics, and Warner-Bratzler shear force. Bucks had higher L* and Hue-angle values, whereas wethers had increased a* and Chroma values. The muscle baseline-data will allow informed decisions to support muscle-specific marketing strategies, which may be used to improve consumer acceptability of chevon.

Keywords

Cape Lob Ear; Cape Speckled; meat goat breeds; meat tenderness; meat colour; collagen; chevon

Subject

LIFE SCIENCES, Other

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