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South African Journal of Animal Science

versión On-line ISSN 2221-4062

Resumen

MOYO, B.; MASIKA, P.J.  y  MUCHENJE, V.. Effect of feeding Moringa (Moringa oleifera) leaf meal on the physico-chemical characteristics and sensory properties of goat meat. S. Afr. j. anim. sci. [online]. 2014, vol.44, n.1, pp. 64-70. ISSN 2221-4062.

The objective of this study was to determine the physico-chemical characteristics and consumer sensory scores of chevon from crossbred Xhosa lop-eared goats supplemented with Moringa oleifera leaf meal (MOL). Twenty-four goats, aged 8 months, were divided into three groups with eight goats in each. All three groups were fed a basal diet of grass hay (GH) ad libitum and wheat bran at 200 g/head/day. In addition to the basal diet, the MOL and sunflower seed cake (SC) groups were fed 200 g dried M. oleifera leaf meal and 170 g sunflower seed cake, which contained 238 g and 233 g crude protein/kg, respectively, with GH having 141 g. Diet influenced chevon colour. Chevon from MOL- and SC-fed goats had higher values for lightness (L*) 24 h post mortem. The redness (a*) values of chevon 24 hours post mortem were significantly higher in MOL supplemented goats. Warner Bratzler shear force (WBSF) values of chevon from SC (30.1 N) and MOL (29.8 N) were lower than those for meat from GH diet (32.6 N). Chevon from goats fed GH diet had significantly higher cooking losses (29.5%) than that from the MOL (25.4%) and SC (25.6%) fed groups. Diet influenced the consumer sensory scores of chevon from goats supplemented with MOL, which had higher first bite, aroma, flavour and juiciness scores. Supplementing crossbred Xhosa lop-eared goats with an MOL diet produced chevon with the highest physico-chemical characteristics and consumer sensory scores.

Palabras clave : Chevon colour; cooking loss; goat meat; sensory characteristics; tenderness.

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