Abstract: The bag comprises two flexible sheets (11) attached to each other by a weld area delimiting a pouch having a predefined volume when said bag is filled, said pouch being designed to contain a dose (27) of said diluted animal semen having said predefined volume. The surface (30) of each of said flexible sheets (11) faces said pouch (14) which is part of a layer (35) of weldable thermoplastic material. For one or preferably for each of said sheets (11), said layer of weldable thermoplastic material (35) comprises triclosan; and the ratio between said predefined volume of said pouch and the sum of the areas of the surfaces (30) of said sheets (11) facing said pouch is between 0.3 ml/cm2 and 0.5 ml/cm2. The system comprises such bags and an antibiotic-free dilution medium.

Abstract: The sheath (30) comprises a tube (31) and an end piece (32) that comprises a foot (33) introduced into an end portion of the tube (31), and a head (34) arranged in the extension of the tube (31). The foot (33) comprises, on the outer surface (40) thereof, a plurality of annular ribs (41-44) facing the inner surface (45) of the tube (31). The head (34) comprises a shoulder (38) facing the section (39) of the tube (31), projecting over the root of the foot (33). The end piece (32) and the tube (31) are attached to the periphery of at least one of said annular ribs exclusively by intrinsic welding. The method comprises the step of carrying out a peripheral tightening of the outer surface (37) of the tube on a level with the ribs (41-44), and the step of applying a sonotrode to the outer surface (35-36) of the head (34).

Abstract: The straw comprises a tube (11) having a swelling plug (15) provided with a fibrous support agent and a swelling agent combined with the support agent and configured, at least close to a second end (18) of the swelling plug, after a liquid-based substance has come up against its second end, to be in a state of swelling constrained by said tube such that if a first part (26) of the swelling plug of length comprised between 2 mm and 3 mm starting from its second end has come out of the tube via a second end (14) of the tube, whereas a second part of the swelling plug remains in the tube, the first part of the swelling plug becomes decompacted and expands with the second end of the swelling plug which assumes a diameter (d) at least equal to one and a half times the inner diameter of the tube.

Abstract: An assembly is provided for freezing a plurality of conditioning tubes each filled with a predetermined volume of biological substance, in which each of the tubes is driven in rotation in a flow of cooling agent, the assembly including a cooling enclosure configured in order to be passed through by the flow of cooling agent and a conditioning unit which is removable and placed in the enclosure; the unit is provided with a greater capacity than the plurality of tubes in order to directly receive this plurality of the tubes, the enclosure is fixed and the assembly includes a unit for driving the conditioning unit in rotation, which unit for driving in rotation is provided with a connection interface on which the removable conditioning unit is placed.

Abstract: The system comprises a straw and a liquid dilution medium. 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 a reagent (22) at least in the vicinity of a first end turned towards the second end of the tube (11). The liquid medium is provided to produce, by mixing, in predefined conditions, the liquid substance (21). The reagent (22) and the medium(27) are configured such that, when the substance (21) comes into contact with the first end of the impregnated element (14), it forms a hydrogel.

Abstract: A method for freezing a plurality of conditioning tubes is provided, each tube filled with a predetermined volume of biological substance, including arranging each conditioning tube directly into a conditioning unit placed in a cooling enclosure then causing the enclosure to be passed through by a flow of cooling agent and simultaneously driving the conditioning unit (6) in rotation, and providing the unit (6) with a greater capacity than the plurality of tubes; wherein the step of arranging each tube directly in a unit is carried out by placing the plurality of tubes into the unit, and the step of driving the unit in rotation is implemented by setting each tube in motion with respect to the unit and with respect to the other tubes.

Abstract: The container straw comprises a tube (11) and a stopper (12) that is permeable to gasses and impermeable to liquids, in which stopper (12) is arranged in the tube (11) near one end (16), characterized in that it comprises an indicator component (20) configured to emit, at least when the container straw (10) is full, light the spectrum of which contains at least one spike having a peak of predetermined wavelength. The assembly comprises the container straw (10) and a container straw recognition device (26).

Abstract: The device (1) for collection of animal semen comprises a rigid (2) which is adaptable to an artificial vagina (V), and to which filtration means (3) and a collection receptacle (4) are fixed, the filtration means (3) being positioned inside the collection receptacle (4). The filtration means form a filtration pouch, preferably conical, that make it possible to hold back the “tapioca” and to allow the liquid fractions of the semen, including the “rich fraction” containing the spermatozoa, to pass into the collection receptacle (4).

Abstract: A method for freezing a plurality of conditioning tubes is provided, each tube filled with a predetermined volume of biological substance, including arranging each conditioning tube directly into a conditioning unit placed in a cooling enclosure then causing the enclosure to be passed through by a flow of cooling agent and simultaneously driving the conditioning unit (6) in rotation, and providing the unit (6) with a greater capacity than the plurality of tubes; wherein the step of arranging each tube directly in a unit is carried out by placing the plurality of tubes into the unit, and the step of driving the unit in rotation is implemented by setting each tube in motion with respect to the unit and with respect to the other tubes.

Abstract: The present invention relates to a bag (1) for packaging a biological substance, such as animal semen, which is formed by two plastic walls (10, 11) assembled so as to define a pouch (P) for receiving said substance and that comprises a line (15) communicating with said pouch (P) a line for filling the same, this bag comprising in addition at least one pair of openings (3, 4) located on both sides of said line (15), in order to get hung, via these openings, to fingers that are complementary to a supporting device. This bag is characterized in that at least one of these openings (3, 4) has an oblong shape, extends perpendicularly to said line (15), and comprises an area forming a hard spot. The invention relates also to a strip formed by juxtaposing such bags (1), and an assembly comprised of a bag and a hanging support.

Abstract: The invention relates to a machine for conditioning chaff (11) of predetermined diameter, that comprises a filling unit (3) for said chaff (11), including n filling stations (4), and a conveying device (2) for said chaff, said device (2) including at least one conveying member (5) provided with a succession of receiving housings (15) for said chaff (11) arranged along a predetermined pitch (E), said conveying member (5) further including, in addition to said succession of receiving housings (15) for said chaff (11) or first housings, a succession of receiving housings (16) or second housings for the chaff having another predetermined diameter, said second housings (16) being arranged along said pitch (E), and each of said second receiving housings (16) being provided between two first receiving housings (15).

Abstract: An assembly is provided for freezing a plurality of conditioning tubes each filled with a predetermined volume of biological substance, in which each of the tubes is driven in rotation in a flow of cooling agent, the assembly including a cooling enclosure configured in order to be passed through by the flow of cooling agent and a conditioning unit which is removable and placed in the enclosure; the unit is provided with a greater capacity than the plurality of tubes in order to directly receive this plurality of the tubes, the enclosure is fixed and the assembly includes a unit for driving the conditioning unit in rotation, which unit for driving in rotation is provided with a connection interface on which the removable conditioning unit is placed.

Abstract: The straw comprises a tube (41) and a plug (42) consisting of a one-piece cylinder of microporous material, permeable to gases and liquid tight. The microporous material is a sintered self-sealing microporous material with at least a solid portion (42) having a diameter matching the inner diameter of said tube (41), said solid portion being in direct contact with said tube (41), said plug having in the tube a permeability to gases when it is dry such that if one end of the tube is placed in communication with a pressure source 150 mbar above atmospheric pressure and the other end of the tube is opened to atmospheric pressure, the air flow per unit area through the plug is in the range of 7.5 to 40 ml/min.mm2.

Abstract: the invention relates to a machine for conditioning chaff (11) of predetermined diameter, that comprises a filling unit (3) for said chaff (11), including n filling stations (4), and a conveying device (2) for said chaff, said device (2) including at least one conveying member (5) provided with a succession of receiving housings (15) for said chaff (11) arranged along a predetermined pitch (E), said conveying member (5) further including, in addition to said succession of receiving housings (15) for said chaff (11) or first housings, a succession of receiving housings (16) or second housings for the chaff having another predetermined diameter, said second housings (16) being arranged along said pitch (E), and each of said second receiving housings (16) being provided between two first receiving housings (15).

Abstract: This is a straw that comprises a tube (11) equipped with a plug (12) comprising a filtering element that is apart of the end (16) of the plug facing towards the end (15) of the tube furthest from the plug. Such a straw is used for storing a predetermined dose of a liquid-based substance, in particular a biological substance.

Abstract: Sachet and strip of sachets for packaging a biological liquid substance, such as animal semen. The sachet is formed by two coupled and welded films of supple plastic material, delimiting a reception pouch of the substance, which has at one of its ends an opening for filling the empty sachet by means of a hollow cylindrical needle. These films have a pair of welding lines which form tabs starting out from said opening and axially and symmetrically penetrating the internal space of the sachet by converging towards the interior of the latter, their free ends being spaced apart by a value “e” which is substantially equal to ?d/2, “d” being the value of the diameter of said needle, thus preventing the foam produced during filling from exiting the bag as the needle is withdrawn (F). Artificial insemination in breeding.

Abstract: The present invention relates to a bag (1) for packaging a biological substance, such as animal semen, which is formed by two plastic walls (10, 11) assembled so as to define a pouch (P) for receiving said substance and that comprises a line (15) communicating with said pouch (P) a line for filling the same, this bag comprising in addition at least one pair of openings (3, 4) located on both sides of said line (15), in order to get hung, via these openings, to fingers that are complementary to a supporting device. This bag is characterized in that at least one of these openings (3, 4) has an oblong shape, extends perpendicularly to said line (15), and comprises an area forming a hard spot. The invention relates also to a strip formed by juxtaposing such bags (1), and an assembly comprised of a bag and a hanging support.

Abstract: The present invention discloses the application of a protein fraction from milk in dilution media for swine sperm. Compositions that contain this protein fraction show an improved and more economical performance. The present invention relates primarily to dilution media for swine sperm aimed at maintaining and/or improving the vitality of swine sperm cells and to be applied in the artificial insemination of swine. However, it is anticipated that this invention will be useful in reproductive techniques or processes such as artificial insemination and in vitro fertilization of other species.

Abstract: Instrument for intra-uterine transfer by the natural vagino-uterine route, including a catheter (6) including a tube carrying at one end a transfer head (8), said tube having passing through it a passage for feeding substances, said transfer head (8) being provided with at least one orifice for substances to be transferred to pass through; characterized in that said transfer head (8) has an oblong shape having a general orientation in line with that of said tube, with a varying cross section including at least two separate rounded lateral enlargements (31, 32), no portion of said head (8) being more prominent laterally than said two enlargements (31, 32).