Abstract
BHATTACHARYA1,2 has described a method for separating from rabbit semen two fractions of sperm with which he achieved a significant degree of predetermination of sex. He suggested that the separation depends on the tendency of the female producing X-sperm to sediment more rapidly than the male-producing Y-sperm, when the sperm are rendered immotile by cooling to 1° C and then allowed to sink under the influence of gravity for 12 h through a column of a viscous egg yolk medium. This communication describes briefly the results of experiments designed to examine the applicability of Bhattacharya's technique to cattle.
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References
Bhattacharya, B. C., Z. Tierznecht. Zuecht. Biol., 72, 250 (1958).
Bhattacharya, B. C., Z. wiss. Zool., 166, 203 (1962).
Schilling, E., Naturwiss., 52, 353 (1965).
Schilling, E., J. Reprod. Fert., 11, 469 (1966).
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BHATTACHARYA, B., BANGHAM, A., CRO, R. et al. An Attempt to predetermine the Sex of Calves by Artificial Insemination with Spermatozoa separated by Sedimentation. Nature 211, 863 (1966). https://doi.org/10.1038/211863a0
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DOI: https://doi.org/10.1038/211863a0
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