Straw for the preservation of a predetermined dose of liquid-based substance, in particular diluted animal semen; and system comprising such a straw and a dilution extender to give such a substance
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United States of America Patent
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May 27, 2015
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May 28, 2014
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Abstract
The straw comprises a tube (11) extending between a first end and a second end and comprises a gas-permeable, liquid-tight plug, said plug being arranged in the tube (11) in the vicinity of the first end of same and extending between a first end turned towards the first end of the tube (11) and a second end turned towards the second end of the tube (11). Said plug comprises an element (14) impregnated with multivalent cations (22) at least in the vicinity of a first end turned towards the second end of the tube (11). The system comprises the straw and a liquid medium provided to produce, by mixing, in predefined conditions, the liquid substance (21). The medium contains an alginate (23) in solution.
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