WO2016016758A1 - Matériau à usage zootechnique - Google Patents
Matériau à usage zootechnique Download PDFInfo
- Publication number
- WO2016016758A1 WO2016016758A1 PCT/IB2015/055398 IB2015055398W WO2016016758A1 WO 2016016758 A1 WO2016016758 A1 WO 2016016758A1 IB 2015055398 W IB2015055398 W IB 2015055398W WO 2016016758 A1 WO2016016758 A1 WO 2016016758A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbent
- additives
- zootechnical use
- binding
- flours
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 102
- 239000000654 additive Substances 0.000 claims abstract description 60
- 239000002250 absorbent Substances 0.000 claims abstract description 51
- 230000002745 absorbent Effects 0.000 claims abstract description 51
- 235000013312 flour Nutrition 0.000 claims abstract description 41
- 230000027455 binding Effects 0.000 claims abstract description 32
- 235000013311 vegetables Nutrition 0.000 claims abstract description 22
- 150000004676 glycans Chemical class 0.000 claims abstract description 18
- 229920001282 polysaccharide Polymers 0.000 claims abstract description 18
- 239000005017 polysaccharide Substances 0.000 claims abstract description 18
- 239000008188 pellet Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 238000011012 sanitization Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 235000013339 cereals Nutrition 0.000 claims description 15
- 239000002023 wood Substances 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 6
- 240000000731 Fagus sylvatica Species 0.000 claims description 5
- 235000010099 Fagus sylvatica Nutrition 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 5
- 235000010980 cellulose Nutrition 0.000 claims description 5
- 229920002907 Guar gum Polymers 0.000 claims description 4
- 239000000665 guar gum Substances 0.000 claims description 4
- 235000010417 guar gum Nutrition 0.000 claims description 4
- 229960002154 guar gum Drugs 0.000 claims description 4
- 229910001577 potassium mineral Inorganic materials 0.000 claims description 4
- 229910001575 sodium mineral Inorganic materials 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 3
- 229920000615 alginic acid Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 3
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 3
- 229910000342 sodium bisulfate Inorganic materials 0.000 claims description 3
- 239000000213 tara gum Substances 0.000 claims description 3
- 235000010491 tara gum Nutrition 0.000 claims description 3
- 239000000230 xanthan gum Substances 0.000 claims description 3
- 235000010493 xanthan gum Nutrition 0.000 claims description 3
- 229920001285 xanthan gum Polymers 0.000 claims description 3
- 229940082509 xanthan gum Drugs 0.000 claims description 3
- JTNCEQNHURODLX-UHFFFAOYSA-N 2-phenylethanimidamide Chemical compound NC(=N)CC1=CC=CC=C1 JTNCEQNHURODLX-UHFFFAOYSA-N 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 2
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 2
- 239000003463 adsorbent Substances 0.000 claims 1
- 210000003608 fece Anatomy 0.000 description 27
- 241001465754 Metazoa Species 0.000 description 18
- 239000000047 product Substances 0.000 description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 description 12
- 239000011707 mineral Substances 0.000 description 12
- 230000035943 smell Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000035755 proliferation Effects 0.000 description 5
- 210000002700 urine Anatomy 0.000 description 5
- 241000219823 Medicago Species 0.000 description 4
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000002781 deodorant agent Substances 0.000 description 4
- 235000012054 meals Nutrition 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 3
- 240000005979 Hordeum vulgare Species 0.000 description 3
- 235000007340 Hordeum vulgare Nutrition 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 235000012216 bentonite Nutrition 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
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- 229920005989 resin Polymers 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 235000011008 sodium phosphates Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- 244000075850 Avena orientalis Species 0.000 description 1
- 235000007319 Avena orientalis Nutrition 0.000 description 1
- 241000271566 Aves Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000700198 Cavia Species 0.000 description 1
- 229920000858 Cyclodextrin Polymers 0.000 description 1
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical class [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000209056 Secale Species 0.000 description 1
- 235000007238 Secale cereale Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004392 genitalia Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007970 homogeneous dispersion Substances 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 235000015099 wheat brans Nutrition 0.000 description 1
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
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
-
- 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
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0155—Litter comprising organic material
Definitions
- the present invention concerns a perfected material for zootechnical use, to be used in animal litters or at the bottom of cages for small domestic animals such as cats, rabbits, guinea pigs, dogs, birds.
- the present invention concerns a material for zootechnical use such as pellets and or pellet granulate, containing additives with a perfected binding and absorbent effect.
- the material for zootechnical use must have a high absorbent capacity in order to absorb, as much as possible, the animal excreta.
- the cages are generally provided with a bottom that is at least partly covered by the material for zootechnical use as above that is introduced.
- Another known solution provides to make the material for zootechnical use directly in granules in order to improve its capacity to absorb the excreta.
- the material for zootechnical use is defined by a mixture of a powdered organic substance, such as wood flour, having maximum sizes of 0.25 mm, with 20-30% of finely powdered bentonite with sizes of about 0.074 mm, with 6-16% of powdered resin and about 5 - 15% of a powdered binder.
- a powdered organic substance such as wood flour
- the extremely limited sizes of the particles defining the mixture causes a lot of dustiness inside the whole production plant and this also requires a specific binder to limit the dustiness once the granulate has been obtained.
- Extrusion requires high temperatures and pressures, for example from 130- 180°C and from 30 bar to 60 bar, and a final stage of drying in the oven.
- Sodium phosphate which is a mineral additive, is added to the mixture of alfalfa and bran, with the function of increasing durability and reducing the final density of the product: it reacts with raw materials to improve the texture of the extruded product.
- Sodium phosphate therefore has no specific function after production, and is only a technological additive in the course of the process.
- the litter described in US-A-3.923.005 is obtained with an extrusion process that provides, as described above, to make a dough by adding abundant water, about 20%-60%, after which follows baking and extrusion at high temperatures and pressures.
- this process is particularly complex and costly in terms of times and costs.
- the production process also provides a step of airing the pellets obtained, to eliminate the residual smell of alfalfa.
- the airing step requires the product to be stored for an extremely long time, requiring large spaces for its temporary storage.
- the excipient that forms the product can be a powdered product with a cellulose base, or minerals comprising clays.
- the solid bases can be impregnated with acid to provide a strong neutralizing capacity.
- Substances that have a binding effect in the dry production can be added to the excipient, such as substances with a mineral origin (bentonites, vermiculite), organic gums and polymers (guar gum, microcrystalline cellulose, pre- gelatinized starches), which are difficult to dispose of.
- substances with a mineral origin bentonites, vermiculite
- organic gums and polymers guar gum, microcrystalline cellulose, pre- gelatinized starches
- US-A-4.883.021 describes an absorbent composition obtained using as a base the working waste of cereals, vegetables, vegetable pulp, that is, cellulose material in general.
- the base can be mixed with non-clay binders such as carbohydrates, proteins, flours and plant starches.
- pellets to be used as litter by transforming the starches with a process of baking, extrusion and drying, with the same disadvantages as mentioned above.
- One purpose of the present invention is therefore to obtain a material for zootechnical use with a binding and absorbent effect, in order to bind the material for zootechnical use and to improve the absorption of the excreta.
- Another purpose of the present invention is to obtain a material for zootechnical use that can be produced with low costs and is biodegradable.
- the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
- the present invention concerns a perfected material for zootechnical use based on absorbent flours comprising one or more binding additives selected from among vegetable polysaccharides.
- the vegetable polysaccharides are chosen from alginates, guar gum, tara gum, xanthan gum and modified celluloses.
- the binding additives have rheological modification properties on the substance they come into contact with.
- the action of the vegetable polysaccharides allows a binding thereof and therefore limits its dispersion on the material for zootechnical use. In this way, it is possible to selectively remove only the used material for zootechnical use, thus limiting the number of regenerations of material for zootechnical use and guaranteeing the removal of all traces of excreta.
- the material for zootechnical use can comprise one or more absorbent additives selected from flours and sub- products from working cereals.
- the presence of the additive allows to increase the capacity to absorb liquids, in particular excreta, and in this way to contain the proliferation of smells.
- the absorbent flours are mixed with the binding additives in a quantity comprised between 1 % and 12% and with absorbent additives in a quantity comprised between 1% and 10% in weight of the perfected material for zootechnical use.
- the quantities of materials identified allow to obtain an autonomous binding capacity of the product to be obtained, without requiring the addition of specific, non-vegetable binders.
- Forms of embodiment described here concern a perfected material for zootechnical use, used in litters or as the bottom inside cages for small domestic animals.
- the material for zootechnical use according to the present invention is configured to incorporate and/or absorb animal excreta and determine the binding thereof that facilitates their removal.
- the material for zootechnical use can be configured to simultaneously contain the proliferation of unpleasant smells.
- the perfected material for zootechnical use can be based on absorbent flours and can comprise one or more binding additives.
- the one or more binding additives can be selected from among vegetable polysaccharides.
- the vegetable polysaccharides can be chosen from alginates, guar gum, tara gum, xanthan gum, modified celluloses, such as for example carboxymethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose and derivatives thereof.
- each vegetable polysaccharide used can be provided between 1% and 12% w/w with respect to a total mass of material for zootechnical use, in particular between 4% and 10%.
- the material for zootechnical use comprises only one type of vegetable polysaccharide.
- the material for zootechnical use comprises several different types of vegetable polysaccharide, each present in the quantities indicated above.
- using different types of polysaccharides for example with different influences on the speed of absorption of the excreta, can allow to modulate the use of the litter with lower consumption and expense for the regeneration of the material. This can be advantageous in the case of shelters for dogs and cats, where the number of animals can be high and the litters available can be limited.
- the maximum quantity of vegetable polysaccharide, whether it is a mixture of vegetable polysaccharides or only one, contained in the material for zootechnical use is 12%.
- the material for zootechnical use can comprise an absorbent additive provided to improve the absorbent capacity of the material for zootechnical use and its elasticity.
- the absorbent additive can be a cereal flour, in particular flour of whole meal barley seeds, corn, wheat, rice, oats, rye and sub-products thereof such as brans, semolina, fibers, leaf meal, corncobs or a combination thereof.
- the absorbent additive is a flour of whole meal barley seeds.
- Whole meal barley flour can have grain sizes comprised between 0.3 mm and 2 mm.
- the absorbent additive can be provided between 1% and 10% in weight of the material for zootechnical use. Examples of the quantities of absorbent additive are: 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%.
- the absorbent additive can be configured to mix and interact with the absorbent flours cited above, to obtain a lighter and more porous material for zootechnical use, and faster at absorbing the excreta.
- the material for zootechnical use comprises only one type of absorbent additive.
- the material for zootechnical use comprises several different types of absorbent additive, each present in the quantities indicated above.
- the fibers deriving from cereals which make the final product more elastic, can allow a quicker binding action on the material used by the polysaccharides, and a rapid dissolution of the lumps in contact with excess water.
- the material for zootechnical use can guarantee to control the smells deriving from the excreta, by the high capacity for absorption and binding supplied by the binding and absorbent additives described above.
- the material for zootechnical use can also comprise one or more sanitizing additives to improve the control of the smells.
- the one or more sanitizing additives can be selected from sodium and/or potassium mineral salts.
- the sanitizing additives can be chosen from monosodium phosphate (NaH 2 P0 4 ), sodium bisulfate (NaHSO 4 ), monopotassium phosphate (KH 2 P0 4 ) or potassium bisulfate (KHSO 4 ).
- These mineral salts advantageously cause a sanitizing and deodorant effect, lowering the pH of the excreta produced by the animals and creating acid conditions sufficient to limit bacterial proliferation.
- the sanitizing additives described are salts of phosphorus and sulfuric acid, which can be used equally to control the development of bad smells and bacteria, but are not compatible for zootechnical use. In fact, these acids have high reactivity to organic substances, which makes them particularly dangerous for direct contact with animals.
- the material for zootechnical use is able to perform a deodorant action and to counter unpleasant smells.
- the mineral salts, reacting with the ammonia can form specific substances such as phosphates and sulfates of ammonia which, if discharged on fields, land or similar surfaces can also have a favorable fertilizing effect.
- each sanitizing additive used can be provided between 0.5% and 5% w/w with respect to a total mass of material for zootechnical use. In particular, between 1% and 4% w/w since this range allows to maximize the action of the sanitizing additives in both high and low concentrations of excreta.
- quantities of mineral salts are 0.5%, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%.
- the material for zootechnical use comprises only one type of sanitizing additive.
- the material for zootechnical use comprises several different types of sanitizing additive.
- the material for zootechnical use can comprise, as sanitizing additives, a mixture of sodium mineral salts, or a mixture of potassium mineral salts, or a mixture of sodium and potassium mineral salts.
- each sanitizing additive can be present in the quantities indicated above.
- the choice of the type of sanitizing additive to be used, and its quantity in the mixture, depends on the pH to which the material for zootechnical use is to operate. In fact the different sanitizing additives reported above are effective at different pH values, therefore they can react as a function of the variation in acidity given by the urine, its quantity during the day and the animal's health.
- the quantity and/or type of mineral salts used can be chosen depending on the desired deodorant effect.
- the absorbent flour can be wood-based and can be produced starting from wood masses with high absorbent properties, for example determined by high porosity.
- the absorbent flour can have a grain size comprised between 0.5 mm and 2 mm. Grain sizes smaller than 0.5 mm can cause dustiness in the environment, while grain sizes of more than 2 mm do not ensure a sufficient degree of absorption of the excreta for the purposes of the present invention.
- the finer flour that is, smaller than 0.5 mm, is also removed from the absorbent flour.
- the absorbent flour can be chosen from a group with an absorption capacity of more than 300% in weight.
- the material for zootechnical use is able to absorb great quantities of liquid, such as urine, which come into contact with the absorbent flour, to ensure that the litter and/or the bottom of the cages where the material for zootechnical use is disposed remain dry.
- the wood-based absorbent flour can be obtained by suitably working beech wood, fir or a combination of the two.
- the material for zootechnical use comprises a combination of absorbent flours.
- the absorbent flours can be defined by a dry mixture of at least two types of wood with different grain size, with sizes bigger than 500 ⁇ , and suitably selected and de-powdered.
- the choice of two types of wood with different grain size allows to obtain an absorption of the animal excreta that is diversified over time and therefore allows a first type of wood flour to absorb the excreta immediately, and a second type of flour to absorb the excreta in a temporally diversified way, for example to absorb what is released by the first type of wood flour.
- the two types of wood can be fir and beech, suitably combined.
- the fir can have grain sizes comprised between 1 mm and 2 mm, preferably about 1.5 mm, while the beech can have grain sizes of about 0.5 mm.
- the absorbent flour and the respective additives can be mixed together to make a composition with a homogeneous mass that can subsequently be pelletized, conferring a pellet shape on the material for zootechnical use.
- the material for zootechnical use in the form of pellets can be reduced into granules by crumbling and sieving, to eliminate the powders or granules with sizes similar to dust, to obtain material for zootechnical use in a granular or crumbled form.
- the material for zootechnical use can be in the form of pellets or alternatively granular (crumbled).
- the material for zootechnical use in the form of pellets can have a diameter comprised between 2 and 8 mm, in particular from 4 to 6.5 millimeters, and a length from 3 to 40 mm, in particular from 5 to 20 millimeters.
- the material for zootechnical use in granular or crumbled form can have a mean size between 500 ⁇ and 5000 ⁇ , in particular between 800 ⁇ and 4700 ⁇ .
- a cloud of zootechnical material could form, defined by its light and small fraction, which can cause inconvenience: this effect is known as "smoking dust".
- this effect is known as "smoking dust”.
- this range almost whole pieces of pellet may be seen, which have a negative esthetic appearance and absorb the excreta more slowly.
- grain sizes are 500 ⁇ , 800 ⁇ , 1 100 ⁇ , 1400 ⁇ , 1700 ⁇ , 2000 ⁇ , 2300 ⁇ , 2600 ⁇ , 2900 ⁇ , 3200 ⁇ , 3500 ⁇ , 3800 ⁇ , 4100 ⁇ ,
- the mean size of the material for zootechnical use can therefore be such as to maximize the absorbent effect and at the same time to allow easy removal and binding after use.
- the size of the material for zootechnical use is such as to guarantee easy disposal, for example in domestic sewers, which are then treated in specific plants for sewage, without causing any damage.
- the perfected material for zootechnical use in this case if consisting only of absorbent flour, binding additives and absorbent additives, can be exclusively vegetable, and can therefore be eliminated through the domestic sewers without in any way damaging the sewers and/or the sewage treatment plants located downstream.
- the used material for zootechnical use in which there are lumps due to the binding of excreta, can be completely broken up when it comes into contact with the water of the sewers, thus facilitating the elimination thereof.
- the material for zootechnical use according to the present invention can also have a mean apparent density between 420 g/1 and 680 g/1.
- mean apparent density are 420 g/1, 440 g/1, 460 g/1, 480 g/1, 500 g/1, 520 g/1, 540 g/1,
- Some forms of embodiment of the present invention also concern a method to make material for zootechnical use as described above, which provides at least to mix the binding additives with the absorbent flours.
- the combined mixing can be provided of wood flours, for example of fir and/or beech, with natural absorbent additives such as cereal flours.
- the mixing is carried out dry, that is, without the addition of water. This prevents complex and expensive operations to dry the product for subsequent packaging.
- sanitizing additives are also added to the binding additives and the absorbent flours.
- the compound obtained by mixing the absorbent flours and the binding additives can be subjected to pelletizing, to obtain the material for zootechnical use in the form of pellets or granules.
- the production process starts from low-humidity flours (on average 10%- 12%) which, either alone or in a mixture, enter into a machine usually called "pellet mill” which compresses them dry and makes the pellets come out through a circular draw-plate comprising hundreds of holes, almost always round.
- the temperature of the product can reach 90-100°C for 1-2 seconds, then the product is simply cooled in a silo in a current of air and already after one hour it can be packed.
- the process is therefore carried out substantially at ambient temperature and the pellet itself is subjected to extremely high heating only on the surface, not in depth.
- the pellets can also be obtained with a combination of the techniques of pressing and pelletizing and/or subsequent cold granulation.
- the method according to the present invention can also include sieving the pellets or granules obtained, to remove from them parts with sizes smaller than desired.
- the method can also include an action to depowder the pellets or granules, to remove the powders from them and prevent the supply of a material for zootechnical use with a high powder content. Depowdering can be effected through suction. Depowdering allows to remove the volatile powder that forms due to chafing during the transport steps.
- the mixing, pelletizing, cooling and subsequent packing operations are carried out continuously inside the same production plant.
- no intermediate storage zones are provided for the temporary storage and cooling of materials as provided in solutions known in the state of the art.
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Matériau perfectionné à usage zootechnique sur la base de farines absorbantes comprenant un ou plusieurs additifs de liaison choisis parmi les polysaccharides végétaux.
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ITUD2014A000128 | 2014-07-28 | ||
ITUD20140128 | 2014-07-28 |
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WO2016016758A1 true WO2016016758A1 (fr) | 2016-02-04 |
WO2016016758A9 WO2016016758A9 (fr) | 2016-06-09 |
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PCT/IB2015/055398 WO2016016758A1 (fr) | 2014-07-28 | 2015-07-16 | Matériau à usage zootechnique |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108012938A (zh) * | 2017-12-28 | 2018-05-11 | 枞阳县金源畜牧养殖有限责任公司 | 一种养猪用生物垫料发酵床的制备方法 |
EP3578039A1 (fr) * | 2018-06-08 | 2019-12-11 | Catural GmbH | Litière destinée à être utilisée dans un élevage |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921581A (en) | 1974-08-01 | 1975-11-25 | Star Kist Foods | Fragrant animal litter and additives therefor |
US3923005A (en) | 1974-01-25 | 1975-12-02 | Clorox Co | Alfalfa-based animal litter, including starch |
US4883021A (en) | 1986-09-22 | 1989-11-28 | Personal Pet Products Partnership | Absorbent composition |
US5836262A (en) | 1995-10-20 | 1998-11-17 | Y. Yasukawa | Animal excretion treating material and method of manufacturing same |
-
2015
- 2015-07-16 WO PCT/IB2015/055398 patent/WO2016016758A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3923005A (en) | 1974-01-25 | 1975-12-02 | Clorox Co | Alfalfa-based animal litter, including starch |
US3921581A (en) | 1974-08-01 | 1975-11-25 | Star Kist Foods | Fragrant animal litter and additives therefor |
US4883021A (en) | 1986-09-22 | 1989-11-28 | Personal Pet Products Partnership | Absorbent composition |
US5836262A (en) | 1995-10-20 | 1998-11-17 | Y. Yasukawa | Animal excretion treating material and method of manufacturing same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108012938A (zh) * | 2017-12-28 | 2018-05-11 | 枞阳县金源畜牧养殖有限责任公司 | 一种养猪用生物垫料发酵床的制备方法 |
EP3578039A1 (fr) * | 2018-06-08 | 2019-12-11 | Catural GmbH | Litière destinée à être utilisée dans un élevage |
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WO2016016758A9 (fr) | 2016-06-09 |
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