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WO2003013261A1 - Obturation des orifices d'une carcasse d'animal - Google Patents

Obturation des orifices d'une carcasse d'animal Download PDF

Info

Publication number
WO2003013261A1
WO2003013261A1 PCT/SG2002/000178 SG0200178W WO03013261A1 WO 2003013261 A1 WO2003013261 A1 WO 2003013261A1 SG 0200178 W SG0200178 W SG 0200178W WO 03013261 A1 WO03013261 A1 WO 03013261A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug
mixture
range
mould
moulding
Prior art date
Application number
PCT/SG2002/000178
Other languages
English (en)
Inventor
Thiam Huay Gary Choo
Original Assignee
Thiam Huay Gary Choo
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 Thiam Huay Gary Choo filed Critical Thiam Huay Gary Choo
Publication of WO2003013261A1 publication Critical patent/WO2003013261A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22B—SLAUGHTERING
    • A22B5/00—Accessories for use during or after slaughtering
    • A22B5/0094—Cutting or blocking the rectum of a carcass, e.g. for avoiding fecal contamination

Definitions

  • the present invention relates to the slaughtering of animals and more particularly to sealing an orifice of a slaughtered animal carcass.
  • a plug for sealing an orifice of a slaughtered animal carcass such as the throat, anus or urinary tract.
  • Such plugs have been made from various materials including plastics materials such as polyethylene. After the plug has been secured in place, the carcass can be eviscerated and the viscera removed for subsequent processing.
  • PCT/AU98/00818 International Publication Number WO 99/16320 by inventors Finney and Gregor.
  • This Finney and Gregor specification describes a process and anal seal for sealing the anus of the carcass of a slaughtered animal.
  • the anal seal includes a plug for insertion through the anus and into the rectum of the carcass and a clamp retaining means to keep the plug in place to facilitate processing of the carcass.
  • the plug illustrated in Finney and Gregor is a frustoconical plastics moulding.
  • the present invention accordingly provides, in one embodiment, a plug for sealing an orifice of a slaughtered animal carcass, the plug being formed from a material containing compacted plant fibre pieces bound with one or more binding agents to form a plug capable of absorbing body fluids without loss of structural integrity.
  • a plug according to the invention is formed from a moulding mixture including:
  • body fluids is used throughout the present specification and claims to include all fluids in a carcass and may include the fluid components of bowel contents and urinary tract contents as well as any other fluid material in the carcass.
  • the plug is preferably shaped to fit the orifice to be sealed.
  • the plug may have a cap which may be partly hollow.
  • the cap may have a generally conical or frustoconical shape.
  • the plug has a somewhat rounded profile to reduce the likelihood of perforating the wall of tissue forming the orifice to be sealed.
  • the plug is bell shaped.
  • the plug may include a shaft or handle depending from the cap. With this arrangement the cap may be inserted into the orifice using the shaft or handle. When the cap is generally bell shaped with a handle extending from within the cap the plug may appear to have a generally mushroom shaped profile.
  • the plug may be shaped so as to removably receive one end of a long handled tool used to insert the plug in an animal carcass.
  • the shaping may include the provision of a flange or seat for receiving the tool. Where the plug is bell shaped, the flange or seat is typically provided adjacent the periphery of the bell shape.
  • the plug preferably does not have any sharp comers liable to tear the tissue forming the orifice
  • the outer surface of a plug according to the present invention need not necessarily be smooth. It has been found that a somewhat rough surface which can be formed by fibre pieces projecting outwardly from or being recessed inwardly from the general plane of the surface can be advantageously used in accordance with the present invention. The nature and extent of any such projection or recess is preferably such that they do not render the cap liable to tear the tissue forming the orifice.
  • the plug may be formed by a process provided in accordance with another aspect of the present invention.
  • the plug is preferably formed from biodegradable materials. Most preferably the plug is formed from materials which need not be retrieved from the viscera. Accordingly, the present invention provides, in yet another embodiment, a method for removing the viscera from the carcass of a slaughtered animal including the steps of:
  • the plug may be inserted into an orifice after the orifice is severed from the carcass.
  • step (b) of the above described method would take place prior to step (a).
  • a plug according to the present invention may be formed by a process as described herein which involves the moulding of a moulding mixture at elevated temperatures and pressures sufficient to compact and bind plant fibre pieces to form a unitary article.
  • the present invention accordingly provides, in a still further embodiment a moulding mixture for use in moulding a plug according to the present invention, the mixture including:
  • the present invention provides a process for manufacturing a plug for sealing an orifice of a slaughtered animal carcass, the process comprising the following steps:
  • the process further comprises the steps of:
  • the invention involves employing the action of the steam to force the mixture to be distributed throughout the mould. Any excess solids material will thus be forced out of the mould by the action of the steam. Once the action of the steam has spread the mixture throughout the mould, the steam is removed or escapes through the gap or a valve. Without this steam action, the solids in the mixture would not spread throughout the mould and may end up being compressed at the bottom of the mould in which case the mixture would no longer be in a readily mouldable state.
  • the process comprises a further step of trimming the edges of the plug prior to coating the plug in step (h).
  • trimming is conducted using a die-cut machine.
  • Other methods for trimming may also be used within the scope of the invention including polishing and/or sanding down the edges of the plug.
  • the main ingredient in the mixture is plant fibers which are bonded together by an adhesive which hardens as it cures, the cured plug will not disintegrate immediately upon contact with liquid.
  • the plug will take a minimum often minutes before it starts disintegrating and could last as long as one hour.
  • the density of the plug is dependent on the pressure applied during formation of the plug. Therefore, the plug is liquid-resistant enough to withstand treatment with fluid resistance agents.
  • a body fluid resistant coating may comprise any appropriate material such as wax or a water soluble latex base.
  • the coating is non-toxic.
  • the coating is a biodegradable material such as a water soluble wax.
  • the coating is a non- biodegradable material such as a wax which is soluble in a non-aqueous solvent, a polymeric material such as a vinyl or polyurethane-based polymer or a conductive paint such as StatichanTM.
  • the plug is at least partially coated with Neoprene to make it body fluid resistant since this coating has FDA approval and is environmental friendly.
  • the coating process can be by way of brushing, spraying or dipping or any other convenient method. It has been found advantageous in accordance with the present invention to only partially coat plugs with materials suitable to reduce the rate of absorption of body fluids by the plug. In one arrangement according to the present invention that portion of the plug which is to contact the tissue surrounding the orifice is coated. The remainder of the plug preferably remains substantially uncoated with materials effective to resist absorption. In one particularly preferred arrangement according to the present invention the plug is hollow and a body fluid resistance material applied to the internal surface of the hollow plug. In this arrangement it is preferred that no coating is applied to any external surface.
  • a plug according to the present invention may additionally include an absorbing ingredient. The absorbing ingredient may be any ingredient suitable to absorb or adsorb body fluids. A carbon powder such as carbon black is particularly suitable for use as an absorbing ingredient in accordance with the present invention although other desiccants may be suitable such as, for example, silica gel.
  • the period of time for which pressure in the range from 1000 to 7000 PSI is applied in step (c) is preferably short and most preferably in the range of from 3 to 10 seconds.
  • the mixture in the mould is subjected to a temperature of about 29 °C.
  • the pressure in process step (d) is reduced to a pressure in the range of from 500 to 1500 PSI before the pressure is increased in process step (e).
  • the pressure in process step (d) is reduced to atmospheric and then increased in process step (e) to a pressure in the range of from 500 to 1500 PSI more preferably about 1000 PSI.
  • the temperature in process step (e) is increased to about 140°C.
  • Process step (f) typically occurs for a period of time in the range of from 10 seconds to 30 minutes or longer till the plug is substantially dry at a temperature in the range of from 100°C to 250°C.
  • the plant fibers can come from any source.
  • suitable plant fibres may be chosen from the group comprising rice stalks, wheat stalks, sugar cane, com leaves, banana leaves, com crops, roots, grass, flowers, recycled paper or combinations thereof.
  • the size of the fibers affects the texture of the final plug. The requirements of the final plug will dictate the size of- the fibers required.
  • the length of the plant fiber pieces used to produce a plug according to the present invention is in the range of from 0.1mm to 5 mm. More preferably, the length should be between 1 mm to 2 mm. However it is possible to use plant fibers which have been ground smaller than 1 mm maximum dimension, eg. powdered.
  • the binding agents or adhesives which are used to bind the fibres are preferably water soluble and most preferably are environmental friendly and not required to be removed from the viscera. It is preferred that non-biodegradable plastics or synthetic polymers are not used as binding agents in the present invention so that the process provides a biodegradable plug. However, it is to be appreciated that biodegradability of the binding agents or adhesives is not essential.
  • water based biodegradable adhesives are used in accordance with the present invention so that the end plug is biodegradable.
  • latex -based adhesives such as Neoprene, are used in accordance with the invention.
  • any added starch used in accordance with the present invention is selected from the group comprising tapioca flour, ground sweet potatoes or any other root powder, com starch, flour and combinations thereof. While corn starch and flour are suitable for use as added starch in accordance with the present invention the results are not as good as when other starch sources are used. There is no need to modify any added starch prior to processing.
  • process step (a)(i) The fiber and any flour are mixed together initially in process step (a)(i) to produce an even mixture. Further, if the liquid ingredients contact the flour before it is evenly mixed in, the flour will form lumps and this will create holes in the plug as the starch is removed during the process.
  • the mixture is stored in a sealed container until required for process step (b) to prevent the mixture from drying out.
  • the mixture is preferably stored at room temperature prior to use to prevent hardening.
  • the mixture may be stored at a temperature in the range from the freezing point of the mixture to about 25°C.
  • the mixture is stored at a temperature in the range from 15 to 25°C.
  • process step (a) occurs at a temperature at or below 25°C.
  • the water used can be of any quality.
  • non-potable water such as sea water may be used as well as normal utility water.
  • the water is converted to steam during the process. This aids in spreading the mixture evenly in the mould.
  • the mixture does not foam because the pressure prevents the mixture from expanding, and the action of the steam is directed towards spreading the mixture throughout the mould. Once the spreading is complete, the steam is removed to allow the plug to dry.
  • the pressure applied in process step (c) is at about 4000 PSI.
  • the strength of the plug will depend on four factors:
  • the structural design of the mould may enhance the strength of the overall product. For example, a plug with ribs or flanges will be stronger than one without.
  • the type of fibre For example, sugar cane fibre provides a moulded product that is inherently resilient but not brittle. Conversely, rice husks tend to provide a product that is hard, but comparatively brittle.
  • the mould is typically made of metal and consists of two parts - a top and a bottom part. However, it is possible to use moulds which come in three or more parts provided that there is still a top and a bottom part. In use, the mould is preferably compressed vertically, that is, in a downward and upward manner so that the top part is compressed against the bottom part. Typically, there is a gap of 1 mm between the top and bottom mould parts through which the steam and excess mixture can escape.
  • the surface of the mould is preferably smooth, that is the surface is not rough or feels like sand paper. Any protrusions in the mould must not interfere with the removal of the plug from the mould.
  • the mould must be adapted to enable the steam to escape.
  • the mould may comprise a vent for steam release. The shape and size of the mould will depend on the plug to be produced.
  • the mould may be heated by attaching heaters to the mould or passing the mould through an oven.
  • the pressure may be provided by any known means including a hydraulic press, pneumatic press or mechanical press. Typically, the pressure is provided by a hydraulic press as these presses provide a consistent pressure.
  • a plug in accordance with the present invention may be advantageously used during evisceration to minimise the risk of body fluids contained in the viscera contaminating the carcass.
  • plugs produced by the process of the invention will breakdown and disintegrate to form substances which are not detrimental to the environment. This is because all of the materials used are non-toxic and are mostly natural and edible. If the plugs are left to decompose after use, the resultant manure can be used as a fertilizer because of the fact that the main ingredient of the plug is plant fibers.
  • the plant fibers may be obtained from the unwanted parts of crops such as rice- stalks, sugar cane pulps or any other fibers that are not directly consumed. This helps to dispose of such waste from harvesting sites, factories etc. which would otherwise be disposed of by burning and thus causing air pollution. The use of such raw material helps to reduce this air pollution.
  • bacteria are killed due to the high temperatures being applied.
  • a mould used in accordance with the present invention may include one or more valves in the top and/or bottom ends of the top and/or bottom parts of the mould to enable steam to be removed wherein the openable valves are closed when the mixture is placed into the mould and then the valves open when the steam needs to be removed.
  • the valves enable the steam to be removed from the mould so that the plug will dry out faster. Further, the steam is removed more quickly and the plug is less likely to be burnt.
  • the valves are mechanically operated. Once the temperature in the mould has risen above the boiling point of the water, this indicates that mixture will be spread evenly throughout the mould and the valves can be opened to release the steam. By the time that the mixture has spread evenly throughout the mould, it will have hardened just enough so that it does not enter into the valve with the steam.
  • the valves are closed when the mixture is placed into the mould and when the pressure is applied to the mould, thus the mould is-totally closed except the gap between the top and bottom parts of the mould. As the water or moisture in the mixture is converted into steam, this steam will rush upward forcing the mixture to move into all the open spaces thus filling up the whole mould. Extra or excess mixture will be squeezed out of the mould. Normally the mould will be opened in process step (d) when the temperature reaches between 100 and 120 °C and, preferably at about 110°C.
  • the valves shorten the time for the plug to be dried and thus shorten the processing time.
  • valves there is one valve every 4 square inches.
  • the valves cannot be placed in the sides of the mould as this would impede the proper spreading of the mixture to be moulded.
  • valve was fixed to the side of the mould, steam would escape through it, thus reducing the pressure inside. This reduced steam pressure may cause the mixture not to flow to the space above the valve and create an incomplete plug.
  • FIG. 1 is a flow diagram of the process according to the invention.
  • Figure 2 is a schematic of an overview of the process.
  • Figure 3 is a perspective view of a mould open
  • Figure 4 is a perspective view of the mould in Figure 3 filled with the mixture
  • Figure 5 is a perspective view of the mould in Figure 4 closed and under pressure with the valve closed;
  • Figure 6 is a perspective view of the mould in Figure 5 with the valve now open;
  • Figure 7 is a perspective view of the mould in Figure 6 opened with the plug removed.
  • Figure 8 is a cross-sectional view of a mould according to another embodiment of the invention.
  • Figure 9 shows a cow throat plug according to a preferred embodiment of the invention wherein:
  • Figure 9a is a front view of the plug
  • Figure 9b is a-plan view of the plug of figure 9a.
  • Figure 9c is a perspective view of the plug of figure 9a.
  • Figure 10 shows a sheep anal plug according to a preferred embodiment of the invention wherein:
  • Figure 10a is a front view of the plug
  • Figure 10b is a plan view of the plug of figure 10a.
  • Figure 10c is a perspective view of the plug of figure 10a.
  • Figure 11 shows a pig anal plug according to a preferred embodiment of the invention wherein:
  • Figure 1 la is a front view of the plug
  • Figure 1 lb is a plan view of the plug of figure 11a
  • Figure 1 lc is a perspective view of the plug of figure 11a.
  • Figures 12 to 15 are graphs of water content versus time for four different types of animal plugs according to the present invention, wherein
  • Figure 12a relates to an uncoated sheep anal plug
  • Figure 12b relates to a sheep anal plug partially coated with Michem emulsion 43040
  • Figure 13a relates to an uncoated sheep anal plug
  • Figure 13b relates to a sheep anal plug partially coated with EcoDEX Plus waterbased spray lacquer
  • Figure 14a relates to a sheep anal plug coated on its inner surface with Michem emulsion 43040
  • Figure 14b relates to an uncoated pig anal plug
  • Figure 15a relates to a sheep anal plug coated on its inner surface with EcoDEX Plus waterbased spray lacquer
  • Figure 15b relates to an uncoated pig anal plug.
  • the use of a mould as shown in the drawings will now be described in relation to following example of a preferred embodiment of the process provided by the invention.
  • Moulding mixtures having compositions according to the present invention were prepared.
  • the moulding mixtures of examples 1 to 40 were used to make animal plugs according to the moulding process of the present invention.
  • the animal plugs were of good quality and suitable for use in the method of slaughtering animals according to the present invention.
  • Further moulding mixtures were prepared, analogous with the compositions of examples 1 to 40, except that the sugar cane pulp added as a source of fibre* was replaced with fibre chosen from the group comprising wheat stalks, tea leaves, rice stalks, rice husks mixed with rice stalks, corn cobs including the leaves and the carbonaceous residue of burnt coconut shells.
  • the moulding mixtures comprising each of the listed sources of fibre were used to make animal plugs according to the moulding process of the present invention.
  • the animal plugs comprising each different type of fibre were compared with the aforementioned animal plugs comprising sugar cane pulp. While there were differences in quality of the animal plugs depending on the type of fibre used, this was not significant because of the design of the plugs and all plugs were found acceptable.Of the aforementioned sources of fibre, only rice husks have any inherent starch content. The rest of the listed fibre sources have no inherent starch content and therefore make no contribution to the starch content of the moulding mixture. Accordingly, when rice husks were used to make the moulding mixtures of examples 1 to 40, the proportion of starch present was slightly greater than the quantities listed in the table.
  • the mould 20 shown in the drawings has a top mould part 21 and a bottom mould part 22.
  • the top mould part 21 has a valve 23 located in its upper surface 24.
  • the bottom mould part has a cavity 25 to receive mixture 26.
  • When mould 20 is closed there is a gap 27 of about 1 mm between the top mould part 21 and the bottom mould part 22. Once closed, pressure is applied to. upper surface 24.
  • the valve 23 is operated either manually or automatically via a controller (not shown). Typically, the valve 23 is opened (see Figure 6) when the temperature of the mould 20 is at about 110°C. Once the article 28 has dried, the mould 20 is opened and the article 28 removed. Manufacturing a Plug from the Mixture
  • the process commences at A with pre-heating the mould 20 to 70°C. This heating is only required the first time that the mould 20 is used because in a continuous process the mould 20 would be at about 140°C from forming the last article 28 and is actually cooled to 70°C at B. Once formed the article 28 is removed from the mould 20 at C to be trimmed, sealed and further treated as desired.
  • the mould 20 is opened (see D of Figure 2) and overfilled with mixture 26 (see E).
  • the mould 20 is intentionally overfilled to ensure that there is sufficient mixture to evenly and completely fill the mould 20.
  • the mould 20 is not left cold because when the mixture 26 is compressed under pressure, the solids in the mixture would be forced and compressed to the bottom of the mould and water would separate from the mixture and be squeezed out through the gap or air vent. If the temperature goes above 100°C, the moisture will turn into steam too quickly and can cause an explosion. However when the mould 20 is hot (70°C to 100°C) and the materials are compressed, a portion of the moisture will transform into vapor and start to look for a space or gap to escape. This action will move the solids in the mixture into all the open spaces in the mould 20 with excess mixture seeping out of the mould 20. This action typically takes 5 to 10 seconds.
  • the mould 20 is then closed (see F of Figure 2).
  • F of Figure 2 When closed, there is typically a gap 27 of about 1 mm between the top 21 and bottom 22 parts of the mould through which steam and excess mixture can escape.
  • a pressure of about 4000 PSI is applied to the top of the mould 20 (see G) for about 3 to 10 seconds until excess mixture starts coming out of the gap 27 between the mould parts 21 and 22. The appearance of the excess material indicates that the mixture 26 has spread evenly throughout the mould 20.
  • the pressure also ensures that the shape of the plug is maintained (that is, there is no foaming), ' and controls the desired density/porosity of the plug.
  • the plug is then optionally coated with further adhesive by spraying or dipping (see K) and heated at 100°C to 140°C for about 10 seconds to 10 minutes to cure the adhesive. In the example we used temperature of about 130°C for about 8 minutes.
  • the plug may be further coated with Neoprene to further enhance its resistance to fluids (see
  • Neoprene Typically about 3 grams of Neoprene is used per square foot of the plug.
  • the coating is applied by spraying or dipping..
  • Figure 8 shows a top part of a mould (100) comprising mould part (101) and valve (102).
  • Valve (102) sits in a complementarily shaped cavity (103) in mould part (101) and is free to move relative to mould part (101).
  • valve (105) is adapted to seal release hole (104) when the valve (102) in its closed position (not shown).
  • Valve (102) is closed by pressure being applied to top end (106).
  • the animal plug of the present invention may be at least partially coated to enhance its resistance to fluids.
  • Tests have been carried out to measure the absorbency of coated, partially coated and uncoated animal plugs made according to the process of the present invention. Each of the plugs tested were separately inserted into balloons filled with an aqueous acidic solution
  • Plugs fully coated on all surfaces with water soluble coating showed negligible absorption of water over a 5 hour period.
  • the fully coated plugs were then removed from the neck of the fluid filled balloon. The plugs were observed to retained their shape without distortion for more than 3 days.
  • Figures 12 to 15 record the relative water absorption of 4 types of partially coated and uncoated animal plugs of differing shapes, the shape depending on their intended use.
  • Figures 12a, 13 a, 14b and 15b relate to plugs coated on their internal surface.
  • Figures 12b, 13 a, 14b and 15b relate to plugs coated on their internal surface.
  • each plug was removed from the neck of its respective balloon.
  • the partially coated plugs were observed to retain their shape without distortion for more than 3 days. Distortion was tested by applying moderate finger pressure to each plug. Conversely the uncoated plugs started to distort and lose their shape within 24 hours of removal from their balloons.
  • the word 'comprising' and forms of the word 'comprising' as used in this description and in the claims does not limit the invention claimed to exclude any variants or additions.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

La présente invention concerne un mélange de moulage conçu pour être utilisé pour le moulage d'un bouchon conçu pour obturer un orifice d'une carcasse d'animal de boucherie. Ledit mélange comprend : I) 40 à 60 % de fibre végétale éventuellement combinée à environ 0 à 2 % en poids d'amidon ; et ii) 10 à 55 % en poids d'eau ainsi que 3 à 10 % en poids d'un ou plusieurs adhésifs ou agents de liaison solubles dans l'eau. L'invention concerne de plus ledit bouchon fabriqué au moyen dudit mélange de moulage, un processus et un procédé de production dudit bouchon par moulage, et un procédé d'éviscération d'un animal de boucherie comprenant l'utilisation dudit bouchon.
PCT/SG2002/000178 2001-08-08 2002-08-07 Obturation des orifices d'une carcasse d'animal WO2003013261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG200104760 2001-08-08
SG0104760-4 2001-08-08

Publications (1)

Publication Number Publication Date
WO2003013261A1 true WO2003013261A1 (fr) 2003-02-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008148175A1 (fr) * 2007-06-08 2008-12-11 Jochnic Packaging Co Pty Ltd Bouchon anal pour bétail
AU2015249176B2 (en) * 2014-12-24 2016-08-25 Scott Technology Nz Limited A bunging mixture and apparatus for delivering same to an animal carcass
WO2022251331A1 (fr) * 2021-05-26 2022-12-01 Cargill, Incorporated Dispositifs solubles de traitement du bétail et procédés d'utilisation de tels dispositifs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0425106A1 (fr) * 1989-09-29 1991-05-02 Slagteriernes Forskningsinstitut Procédé d'éviscération de carcasses d'animaux abattus, en particulier de porcs, un tampon et une installation pour ce procédé
US5494481A (en) * 1995-05-26 1996-02-27 Anderberg; Steven L. Rectal plug and method of introducing same into a slaughtered animal
US5624307A (en) * 1995-05-15 1997-04-29 Swift-Eckrich, Inc. Method for reducing fecal leakage and contamination during meat processing
WO1999016320A1 (fr) 1997-09-26 1999-04-08 Meat & Livestock Australia Limited Scellage anal de carcasses

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0425106A1 (fr) * 1989-09-29 1991-05-02 Slagteriernes Forskningsinstitut Procédé d'éviscération de carcasses d'animaux abattus, en particulier de porcs, un tampon et une installation pour ce procédé
US5624307A (en) * 1995-05-15 1997-04-29 Swift-Eckrich, Inc. Method for reducing fecal leakage and contamination during meat processing
US5494481A (en) * 1995-05-26 1996-02-27 Anderberg; Steven L. Rectal plug and method of introducing same into a slaughtered animal
WO1999016320A1 (fr) 1997-09-26 1999-04-08 Meat & Livestock Australia Limited Scellage anal de carcasses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008148175A1 (fr) * 2007-06-08 2008-12-11 Jochnic Packaging Co Pty Ltd Bouchon anal pour bétail
AU2015249176B2 (en) * 2014-12-24 2016-08-25 Scott Technology Nz Limited A bunging mixture and apparatus for delivering same to an animal carcass
WO2022251331A1 (fr) * 2021-05-26 2022-12-01 Cargill, Incorporated Dispositifs solubles de traitement du bétail et procédés d'utilisation de tels dispositifs

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