Process for storing a sperm dispersion
First Claim
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1. A process for storing gender enriched spermatozoa, the process comprising the steps of:
- a. forming an immotile sperm dispersion, the immotile sperm dispersion comprising spermatozoa, a composition that induces sperm immotility, and an antibiotic;
b. sorting the immotile sperm dispersion, while rendered immotile by the composition that induces sperm immotility, into a gender enriched dispersion of X chromosome bearing sperm or Y chromosome bearing sperm; and
c. storing the gender enriched sperm dispersion.
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Abstract
Processes of storing sorted and unsorted spermatozoa, in the form of a sperm dispersion, having reduced motility relative to endogenous ejaculated sperm are disclosed. The immotile spermatozoa of the dispersion tend to have a greater capacity for enduring the rigors associated with storage, transportation, and fertilization procedures. Processes for providing such sperm dispersions, for inseminating a female mammal with such sperm dispersions, as well as compositions and combinations comprising the sperm dispersions, are also disclosed.
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20 Claims
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1. A process for storing gender enriched spermatozoa, the process comprising the steps of:
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a. forming an immotile sperm dispersion, the immotile sperm dispersion comprising spermatozoa, a composition that induces sperm immotility, and an antibiotic; b. sorting the immotile sperm dispersion, while rendered immotile by the composition that induces sperm immotility, into a gender enriched dispersion of X chromosome bearing sperm or Y chromosome bearing sperm; and c. storing the gender enriched sperm dispersion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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