Survival rate of live, intact spermatozoa after various freezing methods.

<p>Survival rate of live, intact spermatozoa after various freezing methods.</p

Fertility and embryo mortality in the three experimental groups following the artificial inseminations.

<p>Fertility and embryo mortality in the three experimental groups following the artificial inseminations.</p

Experimental design of freezing protocols.

<p>Experimental design of freezing protocols.</p

Quality of frozen/thawed spermatozoa in the different protocols.

<p>Quality of frozen/thawed spermatozoa in the different protocols.</p