DK155408B - PLANT FOR PIG PRODUCTION - Google Patents
PLANT FOR PIG PRODUCTION Download PDFInfo
- Publication number
- DK155408B DK155408B DK021887A DK21887A DK155408B DK 155408 B DK155408 B DK 155408B DK 021887 A DK021887 A DK 021887A DK 21887 A DK21887 A DK 21887A DK 155408 B DK155408 B DK 155408B
- Authority
- DK
- Denmark
- Prior art keywords
- piglets
- door
- box
- limbs
- sow
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 4
- 239000000463 material Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 241000282887 Suidae Species 0.000 description 9
- 238000009395 breeding Methods 0.000 description 7
- 230000001488 breeding effect Effects 0.000 description 7
- 230000009429 distress Effects 0.000 description 4
- 210000000744 eyelid Anatomy 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010042209 Stress Diseases 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 244000144980 herd Species 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 210000004894 snout Anatomy 0.000 description 1
- 230000035882 stress Effects 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
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/0218—Farrowing or weaning crates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
- Feed For Specific Animals (AREA)
- Bathtub Accessories (AREA)
Description
iin
DK 155408 BDK 155408 B
Opfindelsen angår et anlæg til mere human, produktions-fremmende og arbejdskraftbesparende opdræt af svin.The invention relates to a plant for more humane, production-promoting and labor-saving pigs.
Det er velkendt i dag, at moderne landbrugsdrift er kapitalkrævende. De stigende krav til lønsomhed i den-5 ne forbindelse med deraf følgende rationel anvendelse af maskiner og anlæg inden for landbrugssektoren har medført visse alment kendte forhold inden for f.eks. opdræt af dyrehold. Når en so farer, er det almindeligt at hun holdes indespærret, fikseret på plads i farebok-10 sen i de første dage efter faringen, medens hun i andre anlæg holdes fikseret på plads, indtil smågrisene tages fra i en alder af ca. 6 uger. Fordelen, som muligvis kan opnås med disse anlæg, består sandsynligvis i første omgang i en mere rationel fodring og relativ enkel 15 rensning af boksene. Men fiksering af soen på yderst begrænset plads medfører, at hun bliver yderst forvirret og er tilbøjelig til at træde på og ved et uheld dræbe nogle af smågrisene f.eks. ved fodringstidspunkterne, eftersom smågrisene ofte ligger tæt ved soen.It is well known today that modern farming is capital intensive. The increasing demands for profitability in this connection with the consequent rational use of machinery and plants in the agricultural sector have led to certain well-known conditions in, e.g. breeding of animal husbandry. When a sow is in danger, it is common for her to be kept confined, fixed in place in the dangers book for the first days after the farrowing, while in other plants she is kept fixed in place until the piglets are removed at the age of approx. 6 weeks. The advantage that can possibly be achieved with these plants is likely to consist initially of a more rational feeding and relatively simple cleaning of the boxes. But fixing the sow in extremely limited space causes her to be extremely confused and prone to step on and accidentally kill some of the piglets, for example. at feeding times, since the piglets are often close to the sow.
20 En anden vigtig faktor er naturligvis, at soens instink tive opførsel hæmmes i sådanne omgivelser, hvor hun ikke kan bevæge sig frit omkring. Studier over grise, som fører et vildt liv, har vist, at en so, som har faret fornylig, har en yderst markant opførsel, når 25 hun giver patte til og passer smågrisene, og når hun forretter sin nødtørft. Ydermere har soen meget bestemte steder, hvor disse aktiviteter udføres. Der er mange indikationer på, at soens normale opførsel hæmmes mere eller mindre i de nuværende opdrætsanlæg.20 Another important factor, of course, is that the instinctual behavior of the son is inhibited in such environments where she cannot move freely. Studies on pigs that lead a wild life have shown that a newly bred sow has a very marked behavior when she gives teats and fits the piglets, and when she performs her distress. Furthermore, the sow has very specific places where these activities are performed. There are many indications that the normal behavior of the sow is more or less hampered in the current breeding facilities.
30 Et friere opdrætsanlæg ville således være ønskeligt, hvor søerne har mulighed for at opføre sig naturligt med hensyn til elementære livsfunktioner, såsom diegiv-ning og pasning af smågrisene og forrettelse af nødtørft.Thus, a freer breeding facility would be desirable where the sows have the opportunity to behave naturally with respect to basic life functions, such as feeding and caring for the piglets and the management of distress.
22
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Formålet med opfindelsen er således at angive et anlæg af denne art, som eliminerer de ulemper, som de tidligere kendte anlæg er behæftet med.The object of the invention is thus to provide a plant of this kind which eliminates the disadvantages of the previously known plants.
Dette formål opnås ved et anlæg, som omfatter et antal 5 bokse, der er anbragt i rækker, for søer og smågrise og har en ajlerende på den ene side og en fodergang på den anden side af boksene, og/eller et særligt fodringssted for avlsbesætningen i afstand fra boksene.This object is achieved by a plant comprising a number of 5 rows placed in rows for sows and piglets and having an aileron on one side and a feeding on the other side of the boxes, and / or a special feeding place for the breeding herd. away from the boxes.
Anlægget er ejendommeligt ved, at hver boks har en lå-10 ge, som er svingelig mellem en første stilling, hvor den lukker boksen, og en anden stilling, hvor den lukker ajlerenden, hvilken låge er udformet med mindst én svingelig lem, som er indrettet til at give soen adgang til boksen og mulighed for at forlade denne, 15 også når lågen er lukket, hvilken låge samtidigt hindrer smågrisene i at forlade boksen.The system is peculiar in that each box has a lid which is pivotable between a first position where it closes the box and a second position where it closes the eyelet end, which lid is formed with at least one pivoting limb which is adapted to give the sow access to the box and the possibility of leaving it, even when the door is closed, which at the same time prevents the piglets from leaving the box.
Opfindelsen forklares nærmere i det følgende under henvisning til tegningen, hvor fig. 1 viser en skematisk afbildning af et anlæg til 20 svineproduktion ifølge opfindelsen, og fig. 2 viser en udførelsesform for lågen, der er karakteristisk for anlægget.The invention will be explained in more detail below with reference to the drawing, in which fig. 1 is a schematic representation of a pig production facility according to the invention; and FIG. 2 shows an embodiment of the door which is characteristic of the plant.
I fig. 1 er der yderst skematisk vist et anlæg til produktion af svin, hvilket anlæg omfatter en række bokse -25 1, 2 .... n til søer og smågrise. I denne udførelses- form er hver boks udformet med en svingelig låge 5 som beskyttelsesorgan for smågrisene. Lågen 3 kan svinges sideværts fra den med fuldt optrukne linier viste stilling til den med stiplede linier vist stilling, hvor-30 ved soen, når lågen er i den anden stilling, har ad gang til betydelig mere plads. I boksens hjørne er der 3In FIG. 1, a plant for the production of pigs is shown very schematically, which includes a number of boxes -25 1, 2 .... n for sows and pigs. In this embodiment, each box is configured with a pivotal gate 5 as a guard for the piglets. The door 3 can be pivoted laterally from the fully drawn line position to the dotted line position, whereby the sow, when the door is in the second position, has considerably more room at a time. In the corner of the box there are 3
DK 155408 BDK 155408 B
i afstand over gulvet ophængt en varmelampe 4, under hvilken smågrisene kan ligge. Til venstre for boksene, d.v.s. ved disses hovedende, findes der en inspektions-eller fodergang 5. I denne kan der ved hver boks være 5 anbragt foderkar 6. Til højre for boksen findes en aj lerende 7. I figuren er anlæggets låge 8 vist i en stilling, hvor den lukker for adgangen til ajlerenden. Denne låge kan fastlåses i to stillinger, dels i den med fuldt optrukne linier viste stilling, og dels i den 10 med stiplede linier viste stilling. I sidstnævnte stilling kan ajlerenden frit renses på passende måde, f.eks. med en minitraktor eller ganske enkelt manuelt med en rive. Soen har imidlertid fri adgang til ajlerenden via de i lågen udformede lemme (se fig. 2) på grund 15 af den karakteristiske konstruktion ifølge opfindelsen.a heating lamp 4 hung below the floor below which the piglets can lie. To the left of the boxes, i.e. at their head end there is an inspection or feed passage 5. In this box there may be 5 feeding vessels at each box. An adjuster 7. On the right of the box there is an ailing 7. In the figure the plant door 8 is shown in a position where it closes. for access to the eyelid end. This door can be locked in two positions, partly in the position shown in fully drawn lines and partly in the position shown in dotted lines. In the latter position, the eyelid end can be freely cleaned appropriately, e.g. with a mini tractor or simply manually with a tear. However, the sole has free access to the shaft end via the hatch formed in the door (see Fig. 2) due to the characteristic construction of the invention.
Den i fig. 2 viste låge 8 er baseret på en konventionel låge til anlæg til svineproduktion. Lågen ifølge opfindelsen er imidlertid udformet med mindst én og i den viste udførelsesform to selvlukkende, svingelige lemme 20 9, 10, af hvilke den ene åbner udad mod ajlerenden, og den anden udelukkende åbner indad mod boksen. Disse lemme er således udformet, at soen nemt kan åbne dem med sin snude og gå ud og ind ad boksen efter ønske. Lemme/lemmene er anbragt i en sådan højde, at smågri-25 sene kun med store vanskeligheder eller slet ikke kan klatre eller hoppe over det således dannede trin og passere-gennem lemmene. De er imidlertid ikke anbragt højere, end at soen nemt kan klatre over trinet og gå ind og ud gennem lemmene. For yderligere at forhindre 30 og afholde smågrisene fra at prøve at passsere gennem lemmene, kan trinet være udformet med en forhøjning 11 af f.eks. gummi og med en højde på ca. 10 cm. Dette giver det indtryk, at trinet er meget højt. Gummiforhøjningen er imidlertid således udformet, at den giver 35 efter eller bøjer, når soen støder ind i den, og den 4The FIG. The door 8 shown in Figure 2 is based on a conventional door for pig production facilities. However, the door according to the invention is formed with at least one and in the embodiment shown two self-closing, pivoting limbs 20 9, 10, one of which opens outwards towards the shaft end and the other opens inwards only towards the box. These limbs are designed so that the sow can easily open them with its snout and go in and out of the box as desired. The limb (s) are positioned at such a height that the little pigs can only climb or skip the step thus formed and pass through the limbs with great difficulty or not at all. However, they are no higher than the sow can easily climb over the step and go in and out through the limbs. To further prevent 30 and prevent the piglets from trying to pass through the limbs, the step may be formed with an elevation 11 of e.g. rubber and with a height of approx. 10 cm. This gives the impression that the step is very high. The rubber rise, however, is designed to yield 35 bends or bends when the sow bumps into it, and the 4
DK 155408 BDK 155408 B
hindrer således ikke soen at passere ind eller ud gennem lemmene. For yderligere at gøre det vanskeligt for smågrisene at slippe ud, kan forhøjningens øvre kant være bukket indad, så at der dannes et overhængende 5 parti. På grund af gummiets fleksibilitet hindres soen ikke bemærkelsesværdigt i sin bevægelse. De svingelige lemme 8, 9 kan også være udformet med låse. Som vist i fig. 3 kan lågen også være udformet med to mindre lemme 12, 13 for smågrisene. Disse lemme er også svin-10 gelige og selvlukkende, og de kan endvidere også være udformet med låse.thus does not prevent the sow from passing in or out through the limbs. To further make it difficult for the piglets to escape, the upper edge of the elevation may be bent inward to form an overhanging portion. Due to the flexibility of the rubber, the sow is not significantly hindered in its movement. The pivotal limbs 8, 9 may also be provided with locks. As shown in FIG. 3, the gate may also be formed with two smaller limbs 12, 13 for the piglets. These limbs are also pig-like and self-closing, and they may also be provided with locks.
For yderligere at illustrere fordelen ved anlægget ifølge opfindelsen beskrives i det følgende arbejdssekven-sen fra faring indtil det tidspunkt, hvor søerne adskil-15 les fra smågrisene.In order to further illustrate the advantage of the plant according to the invention, the following working sequence is described from farrowing until the time when the sows are separated from the piglets.
Som nævnt i indledningen har grise en naturlig, instik-tiv opførsel, som indebærer, at de foretrækker bestemte steder til forskellige aktiviteter. For at tilfredsstille disse opførselsbehov i et moderne anlæg til op-20 dræt af svin er det vigtigt, at grisene kan bevæge sig relativt frit omkring i anlægget. Dette er gjort muligt på følgende måde:As mentioned in the introduction, pigs have a natural, instinctive behavior, which means that they prefer certain places to various activities. In order to satisfy these behavioral needs in a modern pig breeding facility, it is important that the pigs can move relatively freely around the facility. This is possible as follows:
Den første so til at fare blandt et antal søer anbringes i. den første boks 1 i en række ækvivalente bokse, 25 som er anbragt indbyrdes nær hinanden. Lågen, som be skytter smågrisene, svinges til sin første stilling A (se den fuldt optrukne linie i fig. 1), og lågen 8 fastlåses i stilling D. Derpå anbringes søerne i de følgende bokse alt efter deres faretidspunkter. Efter 30 at alle smågrise i et kuld er blevet født, har de rum met i boksens hjørne under varmelampen 4 til deres rådighed, og lågen lukkes i sin anden stilling B (stiplede linie i fig. 1) som beskyttelsesmiddel for smågrise-The first sow for danger among a plurality of sows is placed in the first box 1 in a series of equivalent boxes 25 disposed close to each other. The gate which protects the piglets is swung to its first position A (see the fully drawn line in Fig. 1) and the gate 8 is locked in position D. Then the sows are placed in the following boxes according to their times of danger. After all the pigs in a litter have been born, they have the compartment in the corner of the box under the heat lamp 4 at their disposal, and the door is closed in its second position B (dotted line in Fig. 1) as a protective means for piglets.
DK 155408 BDK 155408 B
a 5 ne. Soen har således under dette tidsrum fri adgang til ajlerenden og til boksen, medens smågrisene ikke har mulighed for at forlade eller komme ind i boksen.and 5 no. Thus, during this period, the sow has free access to the end of the poultry and to the box, while the piglets are not able to leave or enter the box.
Denne mulighed for soen til at bevæge sig frit medfø-5 rer, at hun bliver roligere og ved fodring fra foder- renden 6 mindre tilbøjelig til f.eks. at udvise stress-symptomer og derved ved fejltagelse træde på og dræbe sine smågrise. Når smågrisene har nået den alder (tilnærmelsesvis 6 uger), hvor soen fjernes fra dem, svin-10 ges lågen 8 til den stilling, som er antydet med en stiplet linie. Det skal bemærkes, at det først fødte kuld, som anbragtes i boksen 1, også er det første, som fjernes fra soen. Lågen 8 vil således ikke hindre adgang til ajlerenden for resten af søerne, som endnu 15 ikke er blevet adskilt fra deres smågrise. I stilling C er alle lemmene fastlåst, hvilket også gælder lågen, så at smågrisene har boksen til rådighed for dem selv.This ability for the sow to move freely causes her to become calmer and, by feeding from the feeding trough 6, less inclined to e.g. to exhibit stress symptoms and thereby accidentally step on and kill his piglets. When the piglets have reached the age (approximately 6 weeks) at which the sow is removed from them, the hatch 8 swings to the position indicated by a dotted line. It should be noted that the first born litter placed in box 1 is also the first to be removed from the sow. Thus, the gate 8 will not prevent access to the ailing end for the rest of the lakes, which have not yet been separated from their piglets. In position C, all the limbs are locked, as is the gate so that the piglets have the box at their disposal.
Ved anlægget ifølge opfindelsen opnås således i det væsentlige følgende otte fordele.Thus, in the system according to the invention, the following eight advantages are obtained.
20 1) Søerne bliver betydeligt roligere, eftersom de på en mere naturlig måde end før kan bevæge sig relativt frit i anlægget. Dette indebærer en markant reduceret risiko for, at søerne ved stress træder på og dræber deres smågrise eller,som det kan forekomme,simpelt hen 25 bider dem ihjel.20 1) The lakes become much calmer as they can move relatively freely in the plant in a more natural way than before. This involves a markedly reduced risk that the sows will, under stress, kill and kill their piglets or, as it may appear, simply 25 bite them to death.
2) Denne forøgede bevægelsesfrihed har vist, at søerne fortrinsvis forretter nødtørft i ajlerenden, hvilket medfører en betydelig reduktion i det nødvendige arbejde til rensning af anlægget.2) This increased freedom of movement has shown that the sows preferentially distress distress at the end of the eyelid, which results in a considerable reduction in the necessary work to clean the plant.
30 3) Disse samvirkende faktorer medfører en betydeligt forøget produktivitet.30 3) These interacting factors result in significantly increased productivity.
66
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4) Søerne udviser tidligere brunst og kan bedækkes betydeligt tidligere end i de hidtil kendte anlæg. Eftersom soen har mulighed for at forlade fareboksen, kan hun selv på mere naturlig måde beslutte, hvornår hun 5 skal amme smågrisene. Ydermere vil hun danne kontakt uden for boksen med andre søer og med ornen. I et pilotforsøg med 12 søer bidrog alle disse faktorer til, at soen viste tidlig brunst og kunne bedækkes i løbet af gennemsnitligt 26 dage efter at hun havde faret.4) The lakes show earlier rut and can be covered significantly earlier than in the known plants. Since the sow has the opportunity to leave the danger box, she can decide more naturally when to breastfeed the pigs. Furthermore, she will make contact outside the box with other lakes and with the boar. In a pilot study with 12 sows, all of these factors contributed to the sow showing early rut and could be covered over an average of 26 days after she left.
10 Disse resultater skal sammenlignes med tilstanden ved de hidtil kendte anlæg, hvor bedækning finder sted 45 til 47 dage efter faring og med en fravændingsperiode på 6 uger.10 These results must be compared with the state of the prior art plants, where cover takes place 45 to 47 days after farrowing and with a weaning period of 6 weeks.
5) Systemet kan nemt tilpasses de eksisterende konven- 15 tionelle anlæg til opdræt af svin.5) The system can be easily adapted to the existing conventional pig breeding facilities.
6) Systemet gør det også muligt at modificere konventionelle anlæg, så at søerne får mulighed for ophold udendørs på årstider, hvor dette er hensigtmæssigt.6) The system also makes it possible to modify conventional plants so that the lakes are allowed to stay outdoors during seasons when this is appropriate.
7) Systemet er yderst velegnet til såkaldt holdfaring, 20 hvor flere søer (sædvanligvis 6) farer i løbet af få dage.7) The system is very suitable for so-called holding experience, 20 where several lakes (usually 6) perish within a few days.
8) Systemet kan med fordel kombineres med moderne fodringsanlæg, hvor transpondere i halsbånd eller i øremærker individuelt kan regulere fodertildelingen til 25 hvert dyr i automatiske fodringsmaskiner. Denne type fodringsanlæg vinder for tiden mere og mere interesse inden for svineopdræt (jfr. "Svinskotsel", nr. 10, 1984, s. 34).8) The system can advantageously be combined with modern feeding systems where transponders in collars or ear tags can individually regulate the feed allocation to 25 animals in automatic feeding machines. This type of feeding facility is currently gaining more and more interest in pig breeding (cf. "Pig Pig", no. 10, 1984, p. 34).
Anlægget ifølge opfindelsen kan modificeres på forskel-30 lig vis inden for opfindelsens rammer.The plant according to the invention can be modified in various ways within the scope of the invention.
Claims (9)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8502454A SE445872B (en) | 1985-05-17 | 1985-05-17 | PLANT FOR TASTLE RISK PRODUCTION |
SE8502454 | 1985-05-17 | ||
SE8600170 | 1986-04-11 | ||
PCT/SE1986/000170 WO1986006581A1 (en) | 1985-05-17 | 1986-04-11 | Installation for pig production |
Publications (4)
Publication Number | Publication Date |
---|---|
DK21887D0 DK21887D0 (en) | 1987-01-16 |
DK21887A DK21887A (en) | 1987-01-16 |
DK155408B true DK155408B (en) | 1989-04-10 |
DK155408C DK155408C (en) | 1989-08-07 |
Family
ID=20360264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK021887A DK155408C (en) | 1985-05-17 | 1987-01-16 | PLANT FOR PIG PRODUCTION |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0257039A1 (en) |
DK (1) | DK155408C (en) |
SE (1) | SE445872B (en) |
WO (1) | WO1986006581A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8700243A (en) * | 1987-02-02 | 1988-09-01 | Nedap Nv | ACCESS DEVICE FOR THE TRANSMISSION OF ONLY ONE PIECE OF CATTLE. |
SE462072B (en) * | 1988-09-26 | 1990-05-07 | Alfa Laval Agri Int | GRISBAAS |
GB2266650A (en) * | 1992-05-09 | 1993-11-10 | Henman James Edward | Barrier for containing piglets |
SE514442C2 (en) * | 1997-12-23 | 2001-02-26 | Alfa Laval Agri Ab | Arrangement and procedure for handling a herd of animals |
DE202012005654U1 (en) * | 2012-06-12 | 2013-09-16 | Big Dutchman Pig Equipment Gmbh | Sowing barn for raising livestock in small group housing |
DE202012005652U1 (en) * | 2012-06-12 | 2013-09-16 | Big Dutchman Pig Equipment Gmbh | Throwing box for a sow barn |
AT515457B1 (en) * | 2014-03-11 | 2016-02-15 | Tüchler Bühnen & Textiltechnik Gmbh | Device for hanging textiles |
HUE043087T2 (en) | 2014-10-31 | 2019-08-28 | Schauer Agrotronic Gmbh | Farrowing pen |
DE102017130791A1 (en) * | 2017-12-20 | 2019-06-27 | Big Dutchman International Gmbh | Procedure for raising pigs |
CN116795153B (en) * | 2023-05-11 | 2024-04-09 | 重庆市畜牧技术推广总站 | Pig farm environment control system and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2036439A1 (en) * | 1970-07-22 | 1972-01-27 | Alfawerk Förderanlagen GmbH, 8000 München | Farrowing rearing facility |
US4269144A (en) * | 1978-09-25 | 1981-05-26 | Ahrens Claude W | Swine farrowing hut and method of farrowing pigs and maintaining a disease-free farrowing hut |
US4227485A (en) * | 1978-10-30 | 1980-10-14 | Poore Donald L | Farrowing house |
-
1985
- 1985-05-17 SE SE8502454A patent/SE445872B/en not_active IP Right Cessation
-
1986
- 1986-04-11 WO PCT/SE1986/000170 patent/WO1986006581A1/en not_active Application Discontinuation
- 1986-04-11 EP EP19860903628 patent/EP0257039A1/en not_active Withdrawn
-
1987
- 1987-01-16 DK DK021887A patent/DK155408C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8502454D0 (en) | 1985-05-17 |
DK21887D0 (en) | 1987-01-16 |
DK21887A (en) | 1987-01-16 |
SE445872B (en) | 1986-07-28 |
DK155408C (en) | 1989-08-07 |
EP0257039A1 (en) | 1988-03-02 |
WO1986006581A1 (en) | 1986-11-20 |
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Pisc | Model code of practice for the welfare of animals: domestic poultry | |
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Schrader et al. | The role of perches in chicken welfare | |
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