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Influence of cell concentration on respiration rate of sperm



Influence of cell concentration on respiration rate of sperm



Proc Soc Exp Biol And Med 48(3): 648-653



An increase in cell conc. of ram and boar semen invariably resulted in a decrease in sperm respiration rates at concs. of 1-6 billion cells per cc. At concs. of 0.2 to 1 billion sperm per cc. this effect of sperm conc. was sometimes observed, but frequently there was no effect of sperm conc. on sperm respiration rate at these low cones. In contrast, respiration rates of yeast cells remained constant at concs. from 1 to 8 billion cells per cc. The effect of sperm conc. on sperm respiration rate did not appear to be an effect of changes in pH, diminished O2 supply to each cell with increased conc., clumping of cells, an enzyme, or products of metabolism. The adjustment of samples to the same level of conc. is recommended when comparisons are to be made of relative respiration rates of semen samples.

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Accession: 013403826

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DOI: 10.3181/00379727-48-13416


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