Evaluation of cellulose acetate/nitrate filters for measuring the motility of dog spermatozoa

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Abstract
A modified chemotaxis chamber was used to evaluate cellulose acetate/nitrate filters for the measurement of dog sperm motility. The distance travelled into the filters was affected by filter pore size, incubation time and sperm concentration. After storage of spermatozoa at 37.degree.C the distance penetrated into the filters reflected the deterioration of the sample, but was not as sensitive a measure as the mean sperm velocity or the percentage of motile spermatozoa.