Abstract

ABSTRACTThirty‐six ram lambs fed a high roughage diet from weaning to 6 months of age and 48 kg body weight at slaughter were assigned randomly to six postmortem (PM) treatments: (1) control; (2) carcasses placed in insulated bags (B) for 24h PM; (3) carcasses suspended via the coccygeal vertebrae (P); (4) electrical stimulation (ES); (5) ES combined with B for 24 h PM; and (6) ES combined with P for 1.5 h poststimulation then suspended via the achilles tendon. Stimulation improved shear values for the longissimus and rectus femoris muscles. Method B without ES reduced shear values for the Longissimus, Semimembranosus, biceps femoris and rectus femoris. Use of method P without ES reduced shear values for the longissimus and semimembranosus. Combining ES with method B reduced shear values for all the muscles evaluated. Similar results were found when combining ES with method P.

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