Because the enzyme catalase is involved in the peroxisomal pathway of fatty acid oxidation in the liver, it is possible that higher levels of catalase activity may be associated with higher levels of fatness. This was investigated in the high and low backfat Southdown sheep selection lines at Massey University. Liver biopsies were taken from 13 high backfat (HBD) and 14 low backfat (LBD) ewe hoggets with mean liveweight-adjusted ultrasonic backfat depths (LABF, expressed as percentage deviations) of +42% and -20% respectively. The HBD group had significantly higher (P<0.05) liver catalase activity (1944

MW, Fisher, PF Fennessy, KM Henderson, RE Newman, and TR Manley

Proceedings of the New Zealand Society of Animal Production, Volume 49, , 103-106, 1989
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