Newly discovered freezing techniques have given sexed semen its biggest fillip yet, and brought its fertility rates up to par with conventional semen. Arevolutionary research breakthrough now means that sexed semen has made the quantum leap which rockets it into the fertility stakes alongside conventional semen. And part of the three-pronged approach to lifting fertility by the country's leading semen sexers, Cogent Breeding Ltd, is based on nothing more than what Gary Rhodes would recommend for hissalads - virgin olive oil! The existence of the much disputed fertility problem has finally been admitted by Cogent who now claim to have plugged that all important gap which has dogged them since their sexed semen launch 18 months ago. "Our sexed semenwas getting 10 points lower conception rates - now with "harmony" sexed semen we have made major progress and it is on a par with conventional semen," says Cogent's managing director Tim Heywood.
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