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Fatty acid oxidation by washed intact ejaculated bull spermatozoa was depressed by carnitine concentrations as low as 5 mM, whereas oxygen uptake was only depressed by concentrations of 20 mM or above. Incorporation of (U-14C)-palmitate into 1,2-diglycerides was stimulated, and there was some stimulation of incorporation into phospholipids.
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Hamilton et al. (1976) studied this question.
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