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Semen production - from the boar to the tube

The picture series shows the production process from boar to tube. Hygiene is the top priority in all production processes. Disposable materials are used as a matter of principle.

The work processes and examination procedures in the stables and in the semen laboratories of the JRC are constantly being further developed.

The JRC has been working with the CASA eFlow System Androvision® from Minitüb since 2018. The CASA system enables an objective and more accurate quality assessment of the ejaculates. The mobility (motility) and the shape (morphology) of the sperm are assessed. Non-motile sperm and sperm with malformations are detected by the system.

With the CASA system, the sperm concentration in the ejaculate and the proportion of motile sperm can be determined precisely. With an additional module, the proportion of sperm with malformations (sperm with plasma drops or curled tails) can be determined almost as precisely as is otherwise only possible through time-consuming examinations and counting of a fixed sample.

GFS - Best sperm quality

Identitätssicherung GFS Eber
To ensure identity, the ear chips of the boars are read with the Psion before they are sampled…
..and printed a label with a barcode.
Labeln Des Spermagefäßes GFS
The label goes on the sperm container, which is then sent to the laboratory via pneumatic tube.
In no time at all, the sperm is sent by pneumatic tube from the stable to the laboratory.
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The lab technicians remove the semen containers from the pneumatic tube system.
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Each ejaculate is labelled and barcoded: No confusion of ejaculates possible.
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Scanning at every work step: All quality control results are imported into the laboratory programme.
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The semen is weighed, checked for colour & odour and pre-diluted.
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Special electronic pipettes enable fine-tuning to the CASA system.
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In the CASA eFlow system, the sperm are objectively examined in 7 different measuring positions.
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The sperm is diluted so that each tube contains the same number of fertilisable sperm.
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A short line to the sales team facilitates the production process.
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The filling machine fills the tubes according to BRS standard…
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…welds the tubes shut…
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..and sticks the label on it.
DSC 0990- Tuben im Labor
Each tube contains the following information: Boar station, boar name (HB-No.), genetics, breeding value class, day of birth, best before date.
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At the end of the production chain, one tube per boar is scanned to check the workflow.
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After a final check of the tubes, they are passed on to the packaging.
DSC 0157 Rückstellproben
Retention samples remain in the laboratory and are re-examined on day 1 and 4 after the production day.
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The holding samples are re-examined with regard to morphology & motility, the results are stored.
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Trained eyes recognise the quality and report any abnormalities.

Contact Person

Dr. Sabine Brüning
Dr. Anja Riesenbeck
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