WO2019167005A1 - Procédé, station et installation de lavage et de désinfection de pattes de bovins - Google Patents

Procédé, station et installation de lavage et de désinfection de pattes de bovins Download PDF

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Publication number
WO2019167005A1
WO2019167005A1 PCT/IB2019/051651 IB2019051651W WO2019167005A1 WO 2019167005 A1 WO2019167005 A1 WO 2019167005A1 IB 2019051651 W IB2019051651 W IB 2019051651W WO 2019167005 A1 WO2019167005 A1 WO 2019167005A1
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WO
WIPO (PCT)
Prior art keywords
tank
inlet
station
bovine
outlet
Prior art date
Application number
PCT/IB2019/051651
Other languages
English (en)
Inventor
Gianfranco FESTA
Paolo COGLIATI
Original Assignee
Fxo3 S.R.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fxo3 S.R.L. filed Critical Fxo3 S.R.L.
Publication of WO2019167005A1 publication Critical patent/WO2019167005A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K13/00—Devices for grooming or caring of animals, e.g. curry-combs; Fetlock rings; Tail-holders; Devices for preventing crib-biting; Washing devices; Protection against weather conditions or insects
    • A01K13/001—Washing, cleaning, or drying devices

Definitions

  • the present invention is generally applicable to the technical field of washing and disinfecting bovines, and it particularly relates to a method and a plant for washing and disinfecting the legs of bovines.
  • bovines breeding in particular milk cows breeding, it is known the need to wash and disinfect animals in order to avoid the spread of diseases and / or to limit therapeutic treatments on the animals thereof.
  • systems are known that comprise a narrow corridor and a tank filled with water placed along the corridor thereof so that the animal, by moving forward, crosses the tank.
  • the known systems thus configured generally have a poor washing efficacy.
  • the water in the tank gets dirty quickly, further reducing the efficacy of washing the legs of the bovines, promoting the proliferation of bacteria and releasing a bad smell.
  • Object of the present invention is to at least partially overcome the above mentioned drawbacks by providing a plant and a method to treat the legs of bovines of high efficacy and relative low cost.
  • Another object of the present invention is to provide a plant and a method to treat the legs of a bovine that reduces the sources of bacteria.
  • Another object of the present invention is to provide a plant and a method to treat the legs of a bovine that limits the amount of the released smells.
  • Another object of the present invention is to provide a plant and a method to treat the legs of a bovine that has low managing costs.
  • Another object of the present invention is to provide a plant and a method to treat the legs of a bovine that needs a limited number of operators to be used.
  • FIG. 1 is a schematic view of an embodiment of a plant 1
  • FIGs. 2 and 3 are a respectively top and side schematic view of an embodiment of a washing and disinfecting station 40;
  • FIGs. 4 and 5 are a respectively top and side schematic view of a further embodiment of a washing and disinfecting station 40;
  • FIG. 6 is a schematic side view of a tank 50 and a tank 50' with a bovine B;
  • FIG. 7 is a schematic sectional view of a duct 44 and a duct 45.
  • the plant 1 may be particularly suitable for the sequential treatment of several bovines B, preferably for the continuous washing and / or disinfection of a row of bovines B.
  • plant 1 is described as particularly suitable for the washing and disinfection of the legs Z of bovines B, it is understood that the plant 1 thereof may be used for the washing and disinfection of the legs Z of other animals, such as horses.
  • bovines refers to animals belonging to the subfamily “Bovinae” of the "Bovidae” family. For example, cows, yaks and buffalos belong to the "Bovidae” family.
  • the plant 1 may be particularly suitable for the washing and disinfection of the legs Z of milk cows B.
  • the plant 1 may comprise an inlet 2 for the bovine B to be treated, an outlet 3 for the treated bovine B and at least one treatment station 40. Possibly, a pre treatment station 10 and / or more treatment stations 40 may be provided.
  • the treatment stations 10, 40 may be interposed between the inlet 2 and the outlet 3.
  • the bovine B may enter the plant 1 through the inlet 2, pass through the treatment stations 10, 40 and exit from the plant 1 thereof through the outlet 3 along a forwarding direction d.
  • the plant 1 may be configured so as the bovine 1 is guided along the forwarding direction d. In this way, for example, it may be avoided that the bovine thereof leaves the plant 1 through the inlet 2 and / or leaves the plant 1 without undergoing the treatment.
  • the bovines B may be placed in a row along the forwarding direction d while the plant 1 may allow the treatment of the bovines B thereof one after the other, substantially in continuous.
  • the plant 1 may be configured so as the treatment may be particularly indicated to treat and / or prevent the development of foot diseases of the bovine B.
  • the plant 1 may treat the legs Z of bovines B with a working fluid particularly suitable for washing and disinfecting, for example by means of a liquid A and an additive O having a disinfecting action.
  • the liquid may be water A while the additive may be ozone O.
  • the legs Z of the bovines B may be treated with water enriched with ozone AO.
  • the method for washing and disinfecting the legs Z of bovines B may comprise the steps of providing one or more bovines B and the sequential forwarding of each bovine B along the predetermined forwarding direction d to treat the bovines thereof.
  • a plurality of bovines B may be provided placed in a row so as to wash and disinfect the legs Z thereof substantially in continuous.
  • supply means MA of water A and supply means MO of ozone O may be provided, which may be of a per se known type, so as to feed the treatment stations 10, 40 as better explained hereinafter.
  • the treatment station 40 may be configured to treat the legs Z of the bovine B with ozonated water AO.
  • the treatment station 40 may comprise a tank 50 that may be fluidly connected to the supply means of water A and ozone O so that during use the tank 50 thereof contains ozonated water AO.
  • the tank 50 may be fed with water A and ozone O in a separate manner, so that the latter dissolves in the former within the tank 50 thereof, and / or the tank 50 may be fed with ozonated water AO.
  • the tank 50 may comprise an inlet 51 for the substantially clean ozonated water and an outlet 52 for the substantially exhausted ozonated water AO and / or for the excrement of the bovines B and / or other dirt.
  • the tank 50 may have a substantially rectangular shape in plan, that is it may have a pair of opposite longitudinal long sides 53 and a pair of short sides 54 substantially perpendicular to the sides 53.
  • tank 50 may have any shape without thereby departing from the scope of protection of the present invention.
  • the tank 50 may have an end 150 and an opposite end 151.
  • the ends 150, 151 may coincide with the short sides 54.
  • each bovine B may cross the tank 50 from the end 150 to the end 151 remaining therein for a predetermined minimum residence time.
  • the treatment station 40 may have an inlet 41 and an outlet 42 for the bovine B and means 43 to guide the bovine B inside the station 40 thereof between the inlet 41 and the outlet 42 so as to define a predetermined path along a forwarding direction d for the bovine B thereof.
  • a pair of barriers, walls, fences and / or the like may be provided placed at a predetermined distance sufficient to allow the passage of the bovine B and to prevent it from turning around.
  • the barriers 43 may have a distance of about 80 cm. In this way, the bovine B may move forward along the path according to a single direction from the inlet 41 to the outlet 42.
  • the tank 50 may be in a spatial relationship with the inlet 41 and the outlet 42 such that the bovine B moving along the forwarding direction d guided by the barriers 43 crosses the tank 50 from the end 150 to the end 151. Therefore, upon the passage of the bovine B in the tank 50, the legs Z thereof may interact with the ozonated water AO to be washed and disinfected.
  • the tank 50 may have a width LA4 substantially equal to the width of the predetermined path, that is substantially equal to the distance between the walls 43 so as the bovine B is forced to cross the tank 50 thereof by moving forward along the direction d.
  • the tank 50 may have a width LA4 of about 80 cm.
  • the tank 50 thereof may have a length LU4 such as to avoid that the bovine B crosses it without the interaction between the legs Z and the ozonated water AO.
  • the length LU4 may be such that all four legs Z of the bovine B are simultaneously within the tank 50.
  • the length LU4 may be such that the bovine B may remain in contact with the ozonated water AO for the predetermined minimum residence time interval.
  • a predetermined minimum residence time interval may be such to allow the treatment to be accomplished effectively.
  • such predetermined minimum time interval may be greater than 20 seconds, preferably about 30 seconds.
  • the tank 50 may have a substantially longitudinal development and it may have a length LU4 of at least 10m, preferably at least 12m. It is understood that possibly the tank 50 may simultaneously comprise more than one bovine B.
  • the tank may have a shorter length, for example about few meters, and suitable mobile barriers may be provided to retain the bovine inside the tank for such a such a predetermined minimum residence time interval.
  • a plurality of tanks configured so as the bovine remains in contact with the ozonated water for such a predetermined minimum residence time interval may be provided.
  • the tank 50 may comprise an inlet 51 fluidly connected to the water and ozone supply means so that the tank 50 is fed with ozonated water AO.
  • the tank 50 may be fed continuously.
  • an outlet 52 may also be provided for the exhausted ozonated water AO and / or the excrement and / or the dirt from the tank 50 thereof.
  • the outlet 52 may be placed near or it may coincide with the end 150 of the tank 50, while the inlet 51 for the ozonated water AO or for the water A to be mixed with the ozone O to obtain the ozonated water AO may be placed near or it may coincide with the end 151 of the tank 50.
  • an area 61 with substantially exhausted ozonated AO water and / or dirt and / or excrement and an area 62 with substantially clean ozonated water AO may be provided.
  • the area 62 may be in correspondence with the end 151 while the area 61 may be in correspondence with the end 150.
  • each bovine B may first meet the substantially dirty area 61 and then the substantially clean area 62.
  • the treatment efficacy of the bovine B may be particularly high.
  • a washing step may be substantially performed, while in area 62 a disinfecting step may be substantially performed.
  • the tank 50 may be configured so as the ozonated water AO and / or excrement and dirt therein flow from the end 151 to the end 150, for example from the inlet 51 to the outlet 52. In this way, during the forwarding along the direction d each bovine B may cross the tank 50 substantially against the flow.
  • the tank 50 may comprise a base floor 55.
  • the term base floor 55 refers to the floor treaded on by the bovine B during the forwarding thereof. Therefore, the floor 55 may be interposed between the end 150 and the end 151 of the tank 50.
  • the base floor 55 may be slightly inclined with respect to the horizontal one, that is, the floor P of the breeding.
  • the base floor 55 may have an inclination of 2% with respect to the horizontal one.
  • the base floor 55 may be slightly inclined towards the end 150, so that any excrement or solid bodies accumulate in correspondence with such an end 150, and therefore with the area 61.
  • anti-slipping elements 55' may be provided to prevent the bovine B from sliding during the forwarding along the path.
  • the ozonated water AO and / or the excrement and / or the dirt may flow out by overflowing over the side wall 56 thereof.
  • the tank 50 and / or the side wall 56 may be configured so as the ozonated water AO overflows the side wall 56 in correspondence with one or more portions 56' of the side wall 56 thereof.
  • the portion 56' may define the outlet 52 of the tank 50.
  • the portion 56' may be placed in correspondence with one of the short sides 54 of the tank 50, preferably in correspondence with the short side 54 that the bovine B may first meet by moving forward along the forwarding direction d, that is the one placed in correspondence with the end 150.
  • ozonated water AO my flow out from the tank 50 in different ways, for example by means of one or more openings placed in correspondence with the side wall 56 and / or the base floor
  • the ozonated water AO within the tank 50 thereof may have a predetermined minimum level L so as to treat the legs Z of the bovine B for a predetermined height H thereof.
  • a height H may substantially coincide with the predetermined minimum level L.
  • the predetermined minimum level L may be at least 25 cm, preferably at least 30 cm and even more preferably about 32 cm so as to treat the legs Z substantially for a height H substantially equal to such a level L.
  • the tank 50 may be configured so as the predetermined minimum level L remains substantially constant over time. Possibly, suitable means may be provided to keep the predetermined minimum level L substantially constant.
  • the predetermined minimum level L may substantially be the average level of the ozonated water AO with respect to the base floor 55.
  • the portion 56' may define the height H and, therefore, the predetermined minimum level L.
  • the inlet 51 and the outlet 52 may be in number, position and size such as to allow the continuous feeding and maintenance of the predetermined minimum level L.
  • the plant 1 may comprise means to adjust the inflow of water A and / or ozone O and / or ozonated water AO that may be operated automatically or manually by an operator.
  • the plant 1 may comprise sensors to detect the level of ozonated water AO in the tank 50, overflow / vacuum sensors, warning and alarm means that may all be of a per se known type.
  • tanks 50, 50' placed in sequence may be provided so as the treatment on the legs Z of the bovine B is particularly effective.
  • two tanks 50, 50' may be provided, they may be placed within the station 40 between the inlet 41 and the outlet 42 thereof, while the guiding means 43 may guide the forwarding of the bovines B through both tanks 50, 50'.
  • the tanks 50, 50' may be consecutive so as the bovine B by moving forward along the forwarding direction d meets the first the tank 50' and then the subsequent tank 50. It is understood that the tanks 50, 50' may have different or equal configurations without departing from the scope of protection of the present invention.
  • the tank 50' may be placed upstream of the tank 50 and it may have a respective end 150' and a respective end 151'.
  • each bovine B may cross sequentially first the tank 50' from the end 150' to the end 151' and then the tank 50 from the end 150 to the end 151 remaining therein for the predetermined minimum residence time.
  • the tank 50' may have the same dimensions as the tank 50. Possibly, the bovine B may remain in the tank 50' for such a predetermined minimum residence time and it may then remain in the tank 50 for the same time.
  • the tank 50' may also be fed continuously.
  • the tank 50' may comprise a respective inlet 51' and a respective outlet 52' that may be preferably placed in correspondence with the ends 151' and 150'.
  • the tank 50' may also be configured so as to promote the sliding of the material therein, liquid AO and / or solid as excrement towards the end 150'.
  • the base floor 55 may be inclined similarly to the tank 50.
  • any excrement of the bovine B may be concentrated in a single position of the plant 1, that is in the tank 50', thus decreasing the quantity thereof in the breeding with a reduction in managing costs of the plant 1 and of the breeding.
  • the tank 50' may comprise the exhausted area 62 while the tank 50 may comprise the clean area 61.
  • the area 62 may be defined by the entire tank 50' while the area 61 may be defined by the entire tank 50.
  • the tank 50' may be configured so as to be particularly suitable to collect and discharge the excrement, while the ozonated water AO in the tank 50 may remain substantially clean to perform an effective anti-bacterial and precautionary treatment on the legs Z of the bovine B.
  • the water A and / or the ozonated water AO in the tank 50' may be substantially cold, for example it may have a temperature lower than 25° C, preferably a temperature of 5° C to 15° C. Possibly, also the temperature of the water A and / or the ozonated water AO of the tank 50 may be substantially cold, for example having a temperature lower than 25° C, preferably a temperature of 5° C to 15° C.
  • the water supply means MA may be connected to a water network.
  • the tank 50' may be fed with the ozonated water AO flowing out from the tank 50, preferably it may be fed continuously.
  • inlet 51' of the tank 50 and the outlet 52 of the tank 50 may be fluidly connected.
  • means 46' may be provided to fluidly connect such inlet 51' and outlet 52.
  • the tank 50' may have a portion 56" of the side wall 56 in correspondence with the end 151' shaped so as to define the inlet 51' of the tank, while the portions 56' and 56" may be fluidly connected by a duct 46'.
  • the tanks 50, 50' and / or the means 46' may be reciprocally configured to allow the flow from the outlet 52 to the inlet 51' and not vice versa.
  • any solid bodies present in the tank 50 may be kept at the end 150 without the latter flowing into the tank 50'.
  • means may be provided to promote the removal thereof from the tank 50, for example a drain placed near the base floor 55.
  • the tanks 50, 50' may be separated by a step 46.
  • the ozonated water AO may come out by overflowing the portion 56' of the side wall 56, it may flow along the surface 46' of the step 46, and it may flow out through the portion 56" of the tank 50', for example by overflow, so as to feed the latter.
  • the tank 50' may comprise one or more outlets or openings 52' placed near the floor 55 to allow the outflow of the ozonated water AO and of the dirt, in particular of the excrement or solid bodies.
  • a further inlet 511 may be provided fluidly connected with the ozone supply means O so as to increase the quantity of the latter dissolved in the water A of the tank 50. In this way the disinfecting and antibacterial action may be particularly effective.
  • the inlet 511 may be placed in correspondence with the base floor 55 and, even more preferably, in correspondence with a central area of the base floor 55 thereof.
  • the tank 50 and / or the tank 50' may comprise a plurality of inlets 511 placed under the predetermined level L so as to promote the spread of the ozone O in the tank 50 and / or the tank 50' and so as to keep high the ozone concentration O throughout the tank 50.
  • the tank 50 and / or the tank 50' may be fed with ozonated water AO, or with only water A and / or only ozone O. In this way, it is possible to vary the concentration of ozone O within the ozonated water AO in the tank 50 and / or the tank 50'.
  • the treatment station 40 may comprise one or more ducts fluidly connected with the water supply means A and / or with the ozone supply means O having one or more outlets placed in correspondence with the tanks 50, 50'.
  • the water supply means A and the ozone supply means O may be independent so that the ozone O dissolves in the water A only in the tank 50 and / or in the tank 50' and / or they may be fluidly communicating so as the tank 50, 50' is fed with ozonated water AO.
  • a duct 44 may be provided having an inlet 44' fluidly connectable with the supply means MA of water A and an outlet 44' fluidly connected to the inlet 51 of the tank 50 and a duct 45 having an inlet 45' fluidly connectable with the supply means MO of ozone O and an outlet 45" fluidly connected to the duct 44.
  • the duct 45 may be porous, for example in porous ceramic, and it may be placed inside the duct 44 so that the ozone O gurgles in the water A.
  • the pre-treatment station 10 may be placed upstream of the treatment station 40 to perform a pre-washing on the legs Z of the bovine B.
  • the treatment station 10 may comprise an inlet 11 and an outlet 12 for the bovine B, means 43 to guide the bovine B along a predetermined path and a plurality of nozzles 13 fluidly connected with the supply means of water A and ozone O and oriented to spray a jet of ozonated water AO towards the legs Z of the bovine B.
  • the treatment station 40 may be placed immediately before or after a processing station such as a milking station and / or in correspondence with the entrance or the exit of a shed.
  • the treatment station 10 may be placed immediately before the treatment station 40.
  • the treatment station 10 and the treatment station 40 may be placed immediately before and immediately after a processing station, for example a milking station.
  • the bovine B may enter the plant 1 through the inlet 2, cross the treatment station 10 wherein the legs Z thereof are washed, enter the milking station, exit therefrom and enter the treatment station 40.
  • the bovine B in contact with the tank 50' may undergo a first treatment and it may defecate.
  • the bovine B passes through the tank 50 so as the legs Z receive a washing and disinfecting treatment to cure and / or prevent foot diseases, and then it may exit the plant 1 through the outlet 3.
  • the plant 1 may comprise several treatment stations 40. Possibly, the stations may all be placed after a single milking station.
  • the system 1 has been described with reference to a single bovine B, it is understood that the plant is particularly suitable for breeding, that is, to treat a large number of bovines B in a sequential manner in a reduced space and in reduced time. In fact, even when the bovines B enter the treatment station 40 one after the other, the plant 1 allows an effective treatment on the legs Z thereof.
  • the bovine B may be moved close to the plant 1, and it may enter therein through the inlet 2.
  • the bovine thereof may continue along a direction d until the milking station. From this latter station, it may go to the pre-washing station 10 if present, and then to the washing and disinfecting station 40, or to one of the stations 40 if there are more than one. Then, inside the station 40 the bovine B may be guided so as to pass through the tank 50 or, if the tank 50' is present, to pass first through the latter and then to the tank 50.
  • the bovine B may meet at first substantially exhausted or dirty water A or ozonated water AO and subsequently substantially clean ozonated water AO.
  • the treatment efficacy may be maximum since in the area 61 a washing step may be substantially performed, while in the area 62 a disinfecting step may be substantially performed.
  • such a plant 1 may be particularly suitable to treat a high number of bovines B.
  • the bovines B may enter one after the other consecutively in the station 40. Furthermore, the latter may treat several bovines B simultaneously.
  • the high number of treatment stations 40 allows to treat a high number of bovines B in the unit of time and / or to increase the efficacy of the treatment thereof.
  • the plant 1 may be substantially automatic, thus making it necessary to have a few operators during use, or no operators at all.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

L'invention concerne une station de lavage et de désinfection des pattes (Z) d'au moins un bovin (B), comprenant au moins un premier orifice d'entrée (41) et au moins un premier orifice de sortie (42) pour les bovins, des moyens (43) destinés à guider chaque bovin (B) dans une direction de transfert (d) dudit premier orifice d'entrée au moins (41) audit premier orifice de sortie au moins (42), et au moins un premier réservoir (50) d'eau ozonée (AO) pourvu d'une première extrémité (150) et d'une deuxième extrémité opposée (151). La station selon l'invention comprend également au moins une première zone opérationnelle (61) avec de l'eau ozonée (AO) sensiblement usée et au moins une deuxième zone opérationnelle (62) avec de l'eau ozonée (AO) sensiblement propre. Le réservoir (50) est placé entre l'orifice d'entrée (41) et l'orifice de sortie (42) de sorte que, lors du transfert du bovin (B) dans la direction de transfert prédéterminée (d), chaque bovin (B) traverse à contre-courant la première zone opérationnelle sale (61) puis la zone opérationnelle propre (62), de sorte que tous les excréments possibles produits par chaque bovin (B), une fois en contact avec l'eau ozonée (AO), s'accumulent dans la zone opérationnelle (61).
PCT/IB2019/051651 2018-03-01 2019-03-01 Procédé, station et installation de lavage et de désinfection de pattes de bovins WO2019167005A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000003179 2018-03-01
IT102018000003179A IT201800003179A1 (it) 2018-03-01 2018-03-01 Metodo ed impianto per il lavaggio e la disinfezione delle zampe di bovini

Publications (1)

Publication Number Publication Date
WO2019167005A1 true WO2019167005A1 (fr) 2019-09-06

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Application Number Title Priority Date Filing Date
PCT/IB2019/051651 WO2019167005A1 (fr) 2018-03-01 2019-03-01 Procédé, station et installation de lavage et de désinfection de pattes de bovins

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WO (1) WO2019167005A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197815A (en) * 1978-05-30 1980-04-15 Stran Corporation Aquatic exercise facility for animals
FR2841142A1 (fr) * 2002-06-25 2003-12-26 Cosnet Bac pediluve pour couloir de passage de betail, et couloir constitue de plusieurs bacs disposes bout a bout
US20070074672A1 (en) * 2005-10-04 2007-04-05 Torgerson Kevin L Hoof bath system
US20120015043A1 (en) * 2010-07-15 2012-01-19 Dana Heacox Use and generation of ozone as a disinfectant of dairy animal tissues, dairy equipment, and infrastructure
US20120037084A1 (en) * 2008-12-16 2012-02-16 Aqua Cleaner V/Tom Bruhn Pedersen Hoof washing system and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8347821B2 (en) * 2009-01-29 2013-01-08 Roderick John Murphy Self-regulated liquid dispenser and system for maintaining a liquid level in a container of dispensed liquid

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197815A (en) * 1978-05-30 1980-04-15 Stran Corporation Aquatic exercise facility for animals
FR2841142A1 (fr) * 2002-06-25 2003-12-26 Cosnet Bac pediluve pour couloir de passage de betail, et couloir constitue de plusieurs bacs disposes bout a bout
US20070074672A1 (en) * 2005-10-04 2007-04-05 Torgerson Kevin L Hoof bath system
US20120037084A1 (en) * 2008-12-16 2012-02-16 Aqua Cleaner V/Tom Bruhn Pedersen Hoof washing system and method
US20120015043A1 (en) * 2010-07-15 2012-01-19 Dana Heacox Use and generation of ozone as a disinfectant of dairy animal tissues, dairy equipment, and infrastructure

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