STERIDYL CSS Two-Step, First Fraction, 500 ml This product is a concentrated semen extender designed to prepare a freezing medium for ruminant semen, according to the two-step CSS protocol. It is used by mixing it with water to obtain a ready-to-use medium for artificial insemination.

Main Benefits

A concentrated formula that produces up to 1000 ml of extender when reconstituted with water
Based on the proven Triladyl® buffer system with Antiseptic egg yolk to enhance protection during freezing
Antiseptic, ready to use after dilution—no need to add egg yolk separately
Consistent and optimal freezing results across different dilution ratios and multiple bull semen samples
Saves time and is easy to prepare in the laboratory

Composition

Tris buffer system
Citric acid
Sugars
Buffers
Glycerol
Antiseptic water
Antiseptic and irradiated egg yolk (antibiotic-free in the CSS version)

Usage Instructions

This product is intended for use as a semen extender in the two-step dilution protocol under veterinary supervision.
Reconstitute by adding the appropriate amount of pure water to reach the final extender volume.
Used as part of the two-step CSS protocol for semen freezing; the second fraction and antibacterial supplements are handled separately.
The dosage and method of use should be determined by a qualified veterinarian based on species, semen quality, and clinical requirements.

Package Size

500 ml of concentrate, producing approximately 1000 ml of ready-to-use extender when properly prepared.

Note

This product does not contain antibiotics; antibacterial supplements should be added separately according to CSS guidelines.