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Author |
Mills, D.S.; Taylor, K. |
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Title |
Field study of the efficacy of three types of nose net for the treatment of headshaking in horses |
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Journal Article |
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Year |
2003 |
Publication |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
152 |
Issue |
2 |
Pages |
41-44 |
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Keywords |
Animals; Female; Horse Diseases/pathology/*prevention & control; Horses; Male; Nose; Protective Devices/*veterinary; Seasons; Severity of Illness Index; *Stereotypic Movement Disorder; Treatment Outcome |
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Abstract |
Thirty-six owners of seasonally headshaking horses took part in a trial to compare the effectiveness of three types of nose net, a traditional cylindrical net (full net) and two forms of larger mesh nets which cover only the nostrils and dorsorostral muzzle (half nets). Baseline data relating to the overall severity of the problem and 18 specific behaviours describing the nature of the problem were recorded on a check sheet by the owners. A within-subjects repeated measures design experiment, with each net used for a week before reassessment, was then used to assess the effect of the nets on the headshaking problem. Approximately 75 per cent of owners reported some overall improvement with each net; around 60 per cent recorded a 50 per cent or greater improvement and 30 per cent a 70 per cent or greater improvement. The nets significantly reduced the overall headshaking score and the following specific behaviours: up-and-down headshaking, nose flipping, acting as if a bee had flown up the nose, shaking at exercise, shaking when excited, shaking in bright sunlight or in windy conditions (P < 0.0001), striking at the face, shaking at night, rubbing the nose when moving, rubbing the nose on objects, sneezing, shaking in the rain and shaking indoors (P < 0.05). There was no evidence of a significant effect on side-to-side headshaking, shaking at rest or rubbing the nose when stationary, but the effect on snorting was uncertain. There were few significant differences between the nets, but the half nets were reported to be significantly better at controlling 'bee up the nose' behaviour. Horses more than 10 years old were reportedly less likely to show a 50 per cent or greater improvement in 'nose flipping' and 'headshaking at exercise. |
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Animal Behaviour, Cognition and Welfare Group, University of Lincoln, Riseholme Park, Lincoln LN2 2LG |
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0042-4900 |
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PMID:12553579 |
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Serial |
1909 |
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Author |
Lindsay, F.E.; Burton, F.L. |
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Title |
Observational study of “urine testing” in the horse and donkey stallion |
Type |
Journal Article |
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Year |
1983 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
15 |
Issue |
4 |
Pages |
330-336 |
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Keywords |
Animals; *Behavior, Animal; Horses/anatomy & histology/*physiology; Male; Nasal Septum; Nose/anatomy & histology; Olfactory Mucosa/physiology; Perissodactyla/*physiology; Sex Attractants/urine; Smell/physiology |
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Abstract |
Although “urine testing” is said to enable the male equid to assess the sexual status of the mare, there are no reports in the literature of any detailed study of this behavioural response of the stallion. Behavioural response to conspecific urine was studied in two horse stallions and one donkey stallion. The relevant nasopalatine anatomy is described. Events observed during urine testing included head, neck, lip, jaw, tongue movements, penile changes and nasal secretion. Nasal endoscopy indicated that the source of part of the nasal secretion was the secretory glands of the vomeronasal organ complex. The significance and probable function of these events in urine testing is discussed. |
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0425-1644 |
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PMID:6641679 |
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Call Number |
refbase @ user @ |
Serial |
1955 |
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Author |
Barwick, R.S.; Mohammed, H.O.; McDonough, P.L.; White, M.E. |
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Title |
Epidemiologic features of equine Leptospira interrogans of human significance |
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Journal Article |
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Year |
1998 |
Publication |
Preventive Veterinary Medicine |
Abbreviated Journal |
Prev Vet Med |
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Volume |
36 |
Issue |
2 |
Pages |
153-165 |
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Keywords |
Animals; Horse Diseases/epidemiology/*microbiology; Horses/microbiology; Humans; *Leptospira interrogans; New York/epidemiology; Weil Disease/epidemiology/microbiology/*veterinary; Zoonoses/epidemiology/*microbiology |
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Abstract |
Leptospirosis is a zoonotic bacterial disease caused by Leptospira interrogans. There is a serologic evidence that horses are exposed to L. interrogans and, as a shedder of these organisms, can be a threat to humans. We examined risk factors associated with the risk of testing seropositive to three L. interrogans serovars (L. icterohaemorrhagiae, L. grippotyphosa, and L. canicola) in the horses of New York State, in order to understand the epidemiology of the disease and suggest strategies to control and prevent equine leptospirosis. To carry out this study, blood samples were collected from a random sample of 2551 horses and tested for the presence of antibodies to the above serovars using the microscopic agglutination test. Samples with a titer $100 were considered positive. Clinical and demographic data were collected on each horse, the farms' management practices and ecology. Logistic regression analysis was used to develop a multivariate indexing system and to identify factors significantly associated with the risk of leptospirosis. Four indices were developed based on the possible sources of exposure: rodent exposure index; wildlife exposure index; soil and water index; and management index. The soil and water index was significantly associated with the risk of exposure to all three serovars. Management was positively associated with L. icterohaemorrhagiae and L. canicola. Density of horses turned out together was positively associated with the risk of exposure to L. grippotyphosa. We concluded that indirect exposure of horses to L. interrogans through contaminated soil and water appears to be significantly associated with the risk of exposure to all three serovars. Management appears to play an important role in the exposure to L. interrogans. Modification of management practices might reduce the horses' risk of exposure and hopefully minimize the human hazards. |
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Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA |
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ISSN |
0167-5877 |
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Notes |
PMID:9762736 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2653 |
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Author |
Kida, H. |
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Title |
[Ecology of influenza viruses in animals and the mechanism of emergence of new pandemic strains] |
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Journal Article |
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Year |
1997 |
Publication |
Nippon Rinsho. Japanese Journal of Clinical Medicine |
Abbreviated Journal |
Nippon Rinsho |
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Volume |
55 |
Issue |
10 |
Pages |
2521-2526 |
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Keywords |
Animals; Bird Diseases/transmission; Birds; Horse Diseases/transmission; Horses; Humans; Influenza, Human/transmission/*veterinary; Swine; Swine Diseases/transmission; Zoonoses |
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Abstract |
Ecological studies on influenza viruses revealed that the hemagglutinin genes are introduced into new pandemic strains from viruses circulating in migratory ducks through domestic ducks and pigs in southern China. Experimental infection of pigs with 38 avian influenza virus strains with H1-H13 hemagglutinins showed that at least one strain of each HA subtype replicated in the upper respiratory tract of pigs. Co-infection of pigs with a swine virus and with an avian virus generated reassortant viruses. The results indicate that avian viruses of any subtype can contribute genes in the generation of reassortants. Virological surveillance revealed that influenza viruses in waterfowl reservoir are perpetuated year-by-year in the frozen lake water while ducks are absent. |
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Department of Disease Control, Hokkaido University Graduate School of Veterinary Medicine |
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Japanese |
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ISSN |
0047-1852 |
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Notes |
PMID:9360367 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2654 |
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Author |
Beveridge, W.I. |
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Title |
Unravelling the ecology of influenza A virus |
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Journal Article |
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Year |
1993 |
Publication |
History and Philosophy of the Life Sciences |
Abbreviated Journal |
Hist Philos Life Sci |
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Volume |
15 |
Issue |
1 |
Pages |
23-32 |
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Keywords |
Animals; Bird Diseases/epidemiology/*history/microbiology; Birds; Ecology; History, 20th Century; Horse Diseases/epidemiology/*history/microbiology; Horses; Humans; Influenza A virus/*isolation & purification; Influenza, Human/epidemiology/*history/microbiology/*veterinary; Swine; Swine Diseases/epidemiology/*history/microbiology; Zoonoses/history |
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For 20 years after the influenza A virus was discovered in the early 1930s, it was believed to be almost exclusively a human virus. But in the 1950s closely related viruses were discovered in diseases of horses, pigs and birds. Subsequently influenza A viruses were found to occur frequently in many species of birds, particularly ducks, usually without causing disease. Researchers showed that human and animal strains can hybridise thus producing new strains. Such hybrids may be the cause of pandemics in man. Most pandemics have started in China or eastern Russia where many people are in intimate association with animals. This situation provides a breeding ground for new strains of influenza A virus. |
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0391-9714 |
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Notes |
PMID:8310117 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2667 |
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Author |
Alexander, D.J. |
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Title |
Ecological aspects of influenza A viruses in animals and their relationship to human influenza: a review |
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Journal Article |
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Year |
1982 |
Publication |
Journal of the Royal Society of Medicine |
Abbreviated Journal |
J R Soc Med |
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Volume |
75 |
Issue |
10 |
Pages |
799-811 |
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Keywords |
Animals; *Animals, Domestic; Bird Diseases/transmission; Birds; Disease Outbreaks; Ecology; Horse Diseases/transmission; Horses; Humans; Influenza A virus/genetics/isolation & purification; Influenza, Human/microbiology/*transmission/veterinary; Swine; Swine Diseases/transmission; Zoonoses/transmission |
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0141-0768 |
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PMID:6752410 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2689 |
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Author |
Stout, I.J.; Clifford, C.M.; Keirans, J.E.; Portman, R.W. |
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Title |
Dermacentor variabilis (Say) (Acarina: Ixodidae) established in southeastern Washington and northern Idaho |
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Journal Article |
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Year |
1971 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
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Volume |
8 |
Issue |
2 |
Pages |
143-147 |
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Keywords |
Animals; Arthropod Vectors; Disease Reservoirs/*epidemiology; Dogs; Ecology; Female; Horses; Humans; Idaho; Larva; Male; Seasons; Sheep; Tick Infestations/*epidemiology/veterinary; Ticks/*classification; Washington; Zoonoses |
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0022-2585 |
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PMID:5157834 |
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Equine Behaviour @ team @ |
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2729 |
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Author |
Jordan, J. |
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Title |
[Modern views on the structure and function of the vomeronasal (Jacobson's) organ in mammals] |
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Journal Article |
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Year |
1970 |
Publication |
Otolaryngologia Polska. The Polish Otolaryngology |
Abbreviated Journal |
Otolaryngol Pol |
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Volume |
24 |
Issue |
4 |
Pages |
457-462 |
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Keywords |
Animals; Cats; Dogs; Guinea Pigs; Horses; Humans; Mice; Nasal Septum/anatomy & histology/blood supply/cytology/innervation/physiology; Nose/*anatomy & histology/blood supply/innervation/*physiology; Rabbits; Rats; Sheep; Smell |
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Polish |
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Original Title |
Obecne poglady na budowe i czynnosc narzadu lemieszowo-nosowego (Jacobsona) u ssakow |
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0030-6657 |
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PMID:4918960 |
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Equine Behaviour @ team @ |
Serial |
4315 |
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Author |
Foster, T.M.; Matthews, L.R.; Temple, W.; Poling, A. |
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Title |
Concurrent schedule performance in domestic goats: persistent undermatching |
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Journal Article |
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Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
40 |
Issue |
3 |
Pages |
231-237 |
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Keywords |
Matching equation; Undermatching; Variable-interval schedule; Nose-press response; Goats |
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Abstract |
Performance of nine domestic goats responding under concurrent variable-interval variable-interval schedules of food delivery was examined, with results analyzed in terms of the generalized matching equation. Substantial undermatching of response and time allocation ratios to obtained reinforcement ratios was evident. Post-reinforcement pause time ratios approximately matched obtained reinforcement ratios. Subtracting these times from total time allocation values yielded net time allocation ratios, which undermatched obtained reinforcement ratios to a greater degree than whole-session time allocation ratios. Slopes of regression lines relating behavioral outputs to environmental inputs characteristically were below 0.6, which is similar to previous findings in dairy cows tested under comparable conditions. |
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Equine Behaviour @ team @ |
Serial |
3602 |
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Author |
Brennan, P.A. |
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Title |
The nose knows who's who: chemosensory individuality and mate recognition in mice |
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Journal Article |
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Year |
2004 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
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Volume |
46 |
Issue |
3 |
Pages |
231-240 |
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Keywords |
Animals; Chemoreceptors/physiology; Discrimination Learning/*physiology; Embryo Implantation/physiology; Female; Individuality; Major Histocompatibility Complex/physiology; Male; Mice; Neurons, Afferent/physiology; Nose/cytology/physiology; Perception/physiology; Pregnancy; Pregnancy Maintenance/physiology; Pregnancy, Animal/*physiology; Receptors, Odorant/*physiology; Recognition (Psychology)/*physiology; Sexual Behavior, Animal/*physiology; Smell/*physiology; Urine/physiology; Vomeronasal Organ/cytology/physiology |
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Abstract |
Individual recognition is an important component of behaviors, such as mate choice and maternal bonding that are vital for reproductive success. This article highlights recent developments in our understanding of the chemosensory cues and the neural pathways involved in individuality discrimination in rodents. There appear to be several types of chemosensory signal of individuality that are influenced by the highly polymorphic families of major histocompatibility complex (MHC) proteins or major urinary proteins (MUPs). Both have the capability of binding small molecules and may influence the individual profile of these chemosignals in biological fluids such as urine, skin secretions, or saliva. Moreover, these proteins, or peptides associated with them, can be taken up into the vomeronasal organ (VNO) where they can potentially interact directly with the vomeronasal receptors. This is particularly interesting given the expression of major histocompatibility complex Ib proteins by the V2R class of vomeronasal receptor and the highly selective responses of accessory olfactory bulb (AOB) mitral cells to strain identity. These findings are consistent with the role of the vomeronasal system in mediating individual discrimination that allows mate recognition in the context of the pregnancy block effect. This is hypothesized to involve a selective increase in the inhibitory control of mitral cells in the accessory olfactory bulb at the first level of processing of the vomeronasal stimulus. |
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Sub-Department of Animal Behaviour, University of Cambridge, Madingley, Cambridge CB3 8AA, UK. pab23@cus.cam.ac.uk |
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ISSN |
0018-506X |
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Notes |
PMID:15325224 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4191 |
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