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1.
《Anthrozo?s》2013,26(3):337-338
ABSTRACT

Populations of feral domestic cats and free-roaming, owned cats have increased throughout the United States, affecting wildlife and public health and warranting attention from a variety of management agencies. The contentious issue of feral cat management requires a greater understanding of public attitudes towards cats and preferences. We used an anonymous internet survey of randomly selected Athens-Clarke County, Georgia households to identify general public perceptions of domestic cats and preferences for cat management. We examined factors that may influence attitudes towards cats, and management including: knowledge about cats, experiences with cats and demographic variables. Results indicate that more residents have positive experiences with feral cats than negative, cat owners have greater knowledge of cats than non-cat owners, and animal welfare or conservation organization membership has a significant effect on attitudes towards cats. A majority of survey respondents agreed that more effective feral cat management is needed yet did not approve of trap-neuter-release (TNR) legislation recently passed in Athens-Clarke County. Logistic regression revealed that residents' attitudes were found to be more important than experiences or knowledge in supporting cat management legislation. Cat sanctuaries were found to be the most acceptable option to reduce feral cat populations (56%), followed by TNR (49%) and capturing and euthanizing cats (44%).  相似文献   

2.
The uncontrolled reproduction of free-roaming feral cats contributes to overpopulation and associated concerns regarding their welfare and impact on public health and the environment. Nonsurgical fertility control that could be administered to feral cats in the field would be a powerful tool for cat population control. The objective was to test the efficacy and duration of activity of a single-dose GnRH immunocontraceptive vaccine (GonaCon?) on the fertility of adult female laboratory cats. Vaccinated cats (n = 15) received a single injection of vaccine containing a GnRH-KLH conjugate (200 μg) emulsified in a mycobacterial and oil adjuvant on study Day 0. Sham-treated cats (n = 5) received a single injection containing all vaccine components except the GnRH-KLH conjugate. A breeding trial started on study Day 120. Vaccinated cats had a longer time to conception (median 39.7 mo) compared to sham-treated cats (4.4 mo; P < 0.001). A total of 93% of vaccinated cats remained infertile for the first year following vaccination, whereas 73, 53, and 40% were infertile for 2, 3, and 4 y, respectively. At study termination (5 y after a single GnRH vaccine was administered), four cats (27%) remained infertile. The GnRH antibody titers declined more rapidly in short-term responding cats with < 2 y of infertility (n = 4), compared to long-term responding cats that experienced fertility control for >2 y (n = 11) (P < 0.05). Non-painful but persistent late-onset granulomatous injection site masses appeared 2 y after initial vaccination in five cats. We concluded that GnRH immunocontraception is an ideal candidate for further development for feral cat control.  相似文献   

3.
《Anthrozo?s》2013,26(4):234-244
Abstract

A door-to-door questionnaire survey of 430 households in two areas of Baltimore showed significant differences in cat ownership that were attributable to racial composition. Overall, 29.9% of white households owned a mean of 1.9 cats per cat-owning household, compared to 6.8% of black households owning a mean of 1.0 cat per cat-owning household. The mean age of cats was 3.9 yrs and 1.8 yrs in white and black households, respectively. In contrast, dog ownership in the two areas was nearly identical, with 25.6% of white and 29.1% of black households owning a mean of 1.5 and 1.3 dogs per dog-owning household, respectively. Overall, 62.8% of owned cats were spayed/neutered, 51.8% had received a vaccination in the last year, and 34.7% had been wormed during their lifetimes. A total of 31.6% of households allowed their cats to free-range; 42.5% of the 87 owned cats were in this category. The estimated densities of owned free-ranging cats were 7.0 and 2.8 cats per hectare, for the two areas. Driving counts of free-ranging animals in the two areas suggested a larger population of stray or feral cats in the location with lower reported cat ownership.  相似文献   

4.
Little is known of the attitudes of Caribbean people toward freeroaming and pet cats, so we conducted a questionnaire survey of primaryschool children aged 5 to 13 years (n = 417, 206 girls and 209 boys, while two questionnaires did not indicate gender) in 23 schools around St. Kitts. Over 50% reported they owned or had owned a cat, and ownership was associated with feelings of happiness and comfort. Children reported 511 reasons for liking cats compared with 433 reasons for disliking them. They liked cats mainly for behavioral reasons (58%), such as cats being playful and providing companionship, and aesthetic reasons (47%), such as cats being colorful and beautiful. Children only infrequently reported liking cats for practical reasons (14%), such as removing vermin. Eighty-four percent of cat owners reported purchasing special food for their cats, and 96% provided water. Over 60% of non-cat owners provided water for free-roaming cats. Most school children (43%) thought there were too many cats on St. Kitts, while only 28% thought this was not the case. The children principally owned cats because they loved animals (43%) and cats controlled vermin (28%). Seventy-two percent of children thought there were too many rodents on St. Kitts. Most children (61%) were aware that cats were associated with human diseases but were principally afraid of cats because of the possibility of being bitten or scratched (54%). In summary, our study shows that primary-school children on St. Kitts mostly have positive attitudes toward free-roaming cats and are concerned for cats’ wellbeing. Although important in their own right, children’s attitudes often reflect those of their families and so our findings could facilitate decisionmaking on cat welfare issues in the region.  相似文献   

5.
ABSTRACT

Few studies consider the health benefits of pet ownership from a biopsychosocial perspective, and a paucity of studies investigate cat ownership. The current study was designed to determine if psychosocial factors (stress, loneliness, and depression), biological levels of stress and inflammation (salivary cortisol, interleukin-1β, and C-reactive protein [CRP]), and cognitive function were associated with companion cat ownership/attachment in community-dwelling older adults. Community-dwelling older adults (n = 96, mean age = 76.6 years) who either owned a cat and no dog (n = 41) or owned neither a cat nor a dog (n = 55) completed questionnaires (Perceived Stress Scale, Revised–UCLA Loneliness Scale, Geriatric Depression Scale-Short Form, Montreal Cognitive Assessment, and Lexington Attachment to Pets Scale) and provided saliva specimens which were assayed for stress and inflammatory biomarkers. The majority of participants screened positive for mild cognitive impairment, reported low levels of stress, loneliness, and depression, and the biomarkers reflected fairly low levels of stress and inflammation. Binary logistic regression analysis revealed that psychosocial factors, salivary biomarkers, and cognitive function were not significantly associated with cat ownership. Age was the only significant predictor of cat ownership (OR = 0.92, p < 0.01) with the odds of cat ownership decreasing by 8.3% per year of advancing age. On average, cat owners were “somewhat attached” to their cats; however, 26% were “strongly attached” to their cats. Correlation analyses revealed the level of attachment to cats was not associated with study outcomes. These results show that cat ownership declined with each advancing year, which lessens the opportunity for older adults to form attachment bonds. The level of pet attachment supports the consideration of cats as a source of an attachment relationship for older adults, including those with cognitive impairment.  相似文献   

6.
Cats have grown in popularity as companion animals, but there are also people who strongly dislike them. Companion cats allowed to roam freely outdoors are seen by some as a nuisance. This paper, drawing on research conducted in Denmark, aims to quantify potentially conflicting attitudes to cats among the public that may feed into cat-related conflicts and controversies. Questionnaire data were collected from a representative sample of the Danish population (n = 2,003), where 21% (n = 415) owned cats and 79% (n = 1,588) did not. In all, 65% of respondents confirmed that they liked cats, 21% reported that they did not, and 14% were undecided. The main reasons for disliking cats concerned “behavior,” not hazards such as the spread of diseases and predation. Of the 21% of the surveyed Danes who reported that they currently had a cat in the household, 72% allowed their cat to roam outdoors. Sixty percent of the respondents did not perceive this as a problem. However, the potential for conflict was demonstrated by the fact that 27% of respondents regarded outdoor roaming as problematic. Of these, about a quarter saw free-roaming cats as a big problem and as a cause of strife between neighbors. Comparatively fewer of those who owned cats saw their animals as a cause of problems. Thus, only 12% of those owning outdoor cats thought that problems were caused when their cats defecated in a neighbor’s garden, which compares with the 17% of the total population who are bothered by other people’s cats defecating in their gardens. Our data show that while the majority of Danes believe cats should be allowed to roam in public spaces, a significant minority strongly dislikes cats and would prefer restrictions on roaming.  相似文献   

7.
As evidence mounts that the feral Cat (Felis catus) is a significant threat to endemic Australian biodiversity and impedes reintroduction attempts, uncertainty remains about the impact a residual population of cats following control will have on a mammal reintroduction programme. Also, behavioural interactions between cats and their prey continue to be an area of interest. Within the framework of an ecosystem restoration project, we tested the hypotheses that successful reintroductions of some medium‐sized mammals are possible in locations where feral cats are controlled (but not eradicated) in the absence of European Red Fox (Vulpes vulpes), and that hare‐wallabies that dispersed from their release area are more vulnerable to cat predation compared with those that remain at the release site. We used radiotelemetry to monitor the survivorship and dispersal of 16 Rufous Hare‐wallabies (Lagorchestes hirsutus spp.) and 18 Banded Hare‐wallabies (Lagostrophus fasciatus fasciatus) reintroduced to four sites within Shark Bay, Western Australia. Nearly all foxes were removed and feral cats were subject to ongoing control that kept their indices low relative to prerelease levels. All monitored hare‐wallabies were killed by cats within eight and 10 months following release. Significant predation by feral cats was not immediate: most kills occurred in clusters, with periods of several months where no mortalities occurred. Once a hare‐wallaby was killed, however, predation continued until each population was eliminated. Animals remaining near their release site survived longer than those that dispersed. The aetiology of predation events observed offers new insights into patterns of feral cat behaviour and mammal releases. We propose a hypothesis that these intense per capita predation events may reflect a targeted hunting behaviour in individual feral cats. Even where feral cats are controlled, the outcome from consistent predation events will result in reintroduction failures. Managers considering the reintroduction of medium‐sized mammals in the presence of feral cats should, irrespective of concurrent cat control, consider the low probability of success. We advocate alternative approaches to cat‐baiting alone for the recovery of cat‐vulnerable mammals such as hare‐wallabies.  相似文献   

8.
Feral and free-ranging domestic cats (Felis catus) can have strong negative effects on small mammals and birds, particularly in island ecosystems. We deployed camera traps to study free-ranging cats in national wildlife refuges and state parks on Big Pine Key and Key Largo in the Florida Keys, USA, and used spatial capture–recapture models to estimate cat abundance, movement, and activities. We also used stable isotope analyses to examine the diet of cats captured on public lands. Top population models separated cats based on differences in movement and detection with three and two latent groups on Big Pine Key and Key Largo, respectively. We hypothesize that these latent groups represent feral, semi-feral, and indoor/outdoor house cats based on the estimated movement parameters of each group. Estimated cat densities and activity varied between the two islands, with relatively high densities (~4 cats/km2) exhibiting crepuscular diel patterns on Big Pine Key and lower densities (~1 cat/km2) exhibiting nocturnal diel patterns on Key Largo. These differences are most likely related to the higher proportion of house cats on Big Pine relative to Key Largo. Carbon and nitrogen isotope ratios from hair samples of free-ranging cats (n = 43) provided estimates of the proportion of wild and anthropogenic foods in cat diets. At the population level, cats on both islands consumed mostly anthropogenic foods (>80% of the diet), but eight individuals were effective predators of wildlife (>50% of the diet). We provide evidence that cat groups within a population move different distances, exhibit different activity patterns, and that individuals consume wildlife at different rates, which all have implications for managing this invasive predator.  相似文献   

9.
Worldwide domestic and feral cat (Felis catus) numbers have increased. Concerns regarding high populations of feral cats in urban areas include wildlife predation, public nuisance, and disease. This study aimed to estimate the size of the feral cat population on 5 campuses of the University of KwaZulu-Natal, South Africa, to determine whether sterilization has an effect and to make management recommendations. The study used both the total count and mark-recapture methods to estimate the feral cat population on each campus. The study chose a noninvasive method of taking photographs to “mark” individuals and record those who were sterilized. The study estimated a total of 186 cats on all campuses and density at 161 cats km?2. There was a negative relationship between sterilization and numbers. Sites with higher sterilization showed a lower proportion of younger cats. At the average sterilization of 55%, the population, according to predictions, would remain stable at fecundity, survival, and immigration rates reported by cat caretakers. However, caretakers underestimated cat abundance by 7 ± 37 SD%. Caretakers' feral cat sterilization and feeding programs appear to provide a service to the university community. Key management recommendations were to increase sterilization to 90% to reduce the population over the long term and to raise funds to support the costs incurred by voluntary cat caretakers.  相似文献   

10.
The feral Cat (Felis catus) is a significant threat to Australian fauna, and reducing their impacts is considered an essential action for threatened species conservation. Poison baiting is increasingly being used for the broad scale control of feral cats. In this study, we measured the population response of feral cats to a track‐based baiting programme using Eradicat® baits in the semi‐arid northern wheatbelt region of Western Australia. Over two years, 1500 baits were laid once annually and the response of feral cats was measured using remote cameras in a before–after, control–impact design. There was a significant reduction in feral cat activity in the second year, but not the first. During bait uptake trials, corvids removed the most number of baits, followed by cats and varanids. The lack of a response to baiting in the first year may be due to existing low cat numbers in the baited area and/or the timing of the baiting. We provide a list of key recommendations to help inform future cat baiting programmes and research.  相似文献   

11.
Estimating population abundances, densities, and interspecific interactions are common goals in wildlife management. Camera traps have been used to estimate the abundance and density of a single species, and are useful for carnivores that occur at low densities. Spatial capture–recapture (SCR) models can be used to estimate abundance and density from a camera trap array when all, some, or no individuals in the population can be uniquely identified. These SCR models also estimate locations of individual activity centers, the spatial patterning of which could provide important information about interspecific interactions. We used SCR models to estimate abundances, densities, and activity centers of each of 3 carnivore species (i.e., dingo [Canis familiaris], red fox [Vulpes vulpes], and feral cat) using photographs from 1 camera trap array in southeastern Australia during September to November 2015. Some dingoes and feral cats were uniquely identifiable and therefore, we used a spatial mark–resight model for these species. We could not uniquely identify fox individuals, however, so we used a spatial unmarked (SUN) model for this species. Our estimated dingo density was 0.06/km2. The fox (0.25/km2) and feral cat (0.16/km2) densities are within the ranges previously reported for these species in Australia. We obtained a relatively imprecise fox density estimate because we did not have detections of uniquely identifiable individuals; hence, the SUN model should be used as a last resort. We next modeled spatial dependence among the estimated activity centers for the 3 species using a spatial pair correlation function for a marked point process. Consistent with our expectations, the activity centers of dingoes and foxes were strongly negatively associated at distances of <1,000 m. Foxes and feral cats were also negatively associated at distances of <1,500 m. Surprisingly, dingoes and feral cats were positively associated at distances of >500 m, with no association evident at distances of <500 m. Our study extends the inferences that can be made from using a camera trap array and SCR methods to include spatial patterning and interspecific interactions, and provides new insights into the carnivore community of dingoes, foxes, and feral cats in southeastern Australia. © 2019 The Authors. The Journal of Wildlife Management Published by Wiley Periodicals, Inc.  相似文献   

12.
We used radio-telemetry and collar-mounted activity sensors to compare home range size, habitat use, and activity patterns of owned and unowned free-roaming cats on the outskirts of Champaign-Urbana, Illinois, USA. Owned cats (3 M, 8 F) had smaller home ranges than unowned cats (6 M, 10 F), but we failed to detect consistent differences in home range size between the sexes or among seasons. Home ranges of unowned cats included more grassland and urban area than predicted based on availability in all seasons, and farmsteads were selected in fall and winter. Within home ranges, unowned cats shifted their use of habitats among seasons in ways that likely reflected prey availability, predation risk, and environmental stress, whereas habitat use within home ranges by owned cats did not differ from random. Unowned cats were more nocturnal and showed higher overall levels of activity than owned cats. Space use and behavioral differences between owned and unowned cats supported the hypothesis that the care a cat owner provides influences the impact a cat has on its environment, information that is important for making decisions on controlling cat populations. © 2011 The Wildlife Society.  相似文献   

13.
New Zealanders (n = 354) rated the acceptability of lethal and nonlethal cat control methods and the importance of conservation and welfare. Lethal control was more acceptable for feral cats than strays; for nonlethal control, the inverse was true. More than concern for the welfare of cats subjected to control, perceived conservation benefits, risk of disease transfer, and companion cat welfare dictated the acceptability of control measures. Similarly, the welfare consideration for groups of cats differed, transitioning from companion (highest) to feral (lowest). Differences in attitudes toward acceptability of control methods were evident. In particular, nonhuman animal professionals ranked lethal control as more acceptable than did nonanimal professionals. Cat caregivers (owners) considered both conservation and welfare issues of greater importance than did nonowners. Owners ranked the acceptability of nonlethal control methods higher for stray cats, but not feral, than did nonowners. This research indicates that the use of the terms stray and feral may have significant impact on cats in New Zealand. There is also a greater consideration of conservation values than of welfare in stray and feral cat control.  相似文献   

14.
《Zoology (Jena, Germany)》2015,118(6):377-385
The European wildcat (Felis silvestris silvestris) is an endangered felid impacted by genetic introgression with the domestic cat (Felis silvestris catus). The problem of hybridization has had different effects in different areas. In non-Mediterranean regions pure forms of wildcats became almost extinct, while in Mediterranean regions genetic introgression is a rare phenomenon. The study of the potential factors that prevent the gene flow in areas of lower hybridization may be key to wildcat conservation. We studied the population size and spatial segregation of wildcats and domestic cats in a typical Mediterranean area of ancient sympatry, where no evidence of hybridization had been detected by genetic studies. Camera trapping of wild-living cats and walking surveys of stray cats in villages were used for capture–recapture estimations of abundance and spatial segregation. Results showed (i) a low density of wildcats and no apparent presence of putative hybrids; (ii) a very low abundance of feral cats in spite of the widespread and large population sources of domestic cats inhabiting villages; (iii) strong spatial segregation between wildcats and domestic/feral cats; and (iv) no relationship between the size of the potential population sources and the abundance of feral cats. Hence, domestic cats were limited in their ability to become integrated into the local habitat of wildcats. Ecological barriers (habitat preferences, food limitations, intra-specific and intra-guild competition, predation) may explain the severe divergences of hybridization impact observed at a biogeographic level. This has a direct effect on key conservation strategies for wildcats (i.e., control of domestic cats).  相似文献   

15.
The domestic cat Felis catus has become a feral predator and conservation threat in many regions of the world. In the northern tropical savannas of Australia, there is limited data on feral cat diet, and there is evidence that some mammal populations in this region are starting to show signs of significant population decline. A total of 169 cat stomach samples were collected from north-eastern Australia from 1996 to 1998. Samples were collected from grassland and woodland habitats in winter and summer periods. A total of 106 unique prey types (grouped into 59 categories), representing 974 items, were recorded from all samples of which 8% were invertebrates, 9% amphibians, 41% reptiles, 20% birds, and 22% mammals. Relative significance of prey items was examined by calculating the Index of Relative Importance. Chi-square comparisons of frequency differences among habitat, season, and sex of cat were also undertaken. The most important prey items were grasshoppers (Orthoptera), centipedes (Chiloptera), dunnarts (Sminthopsis spp.), planigales (Planigale spp.), rabbits, quails (Turnix spp., Coturnix sp.), and geckos (Oedura spp., Gehyra spp.). Amphibians and invertebrates were more frequent in summer (wet season) samples, and mammals were more frequent in winter. Similarly, there were more amphibians in woodland samples and more invertebrates in grasslands. There was high dietary overlap and little difference in the diet of male versus female cats. Increasing cat predation in northern Australia may significantly affect the conservation of key groups already under decline (e.g., mammals) and careful innovative solutions to stem cat predation are needed.  相似文献   

16.
The Yelkouan shearwater, Puffinus yelkouan, is an endangered Mediterranean endemic species of burrowing petrel threatened by feral cats. The life-history parameters of a small population of Yelkouan shearwaters on the Mediterranean island, Port-Cros, were studied in conjunction with the diet of feral cats, to examine the birds’ vulnerability to introduced cats. Yelkouan shearwaters were the birds most frequently found in cat scats, with 431 ± 72 birds killed per year, and predation highest during the pre-laying period. A demographic model was created using data for P. yelkouan and for closely related shearwater species. Without cat predation, only two of four survival rate scenarios led to a mean growth rate (λ) ≥ 1. The model was constrained to have a stable population growth rate and used to predict predation scenarios compatible with the observed population stability, because the population under study has remained stable at around 180 pairs for at least 20 years despite feral cat predation. The results of assuming that the population is closed were inconsistent with the estimated mortalities due to feral cats, while it was possible to reconcile the observed numbers of breeding pairs with the observed mortalities due to cats by assuming that Port-Cros Island is a sink sustained by immigration. This illustrates that small colonies may need to be sustained by larger ones to avoid being driven to extinction. Unfortunately, the absence of a large geographic-scale ringing program makes the precise identification of the origin of the immigrants impossible in this case.  相似文献   

17.
Predation by feral cats (Felis catus) has caused the extinction of many native species in Australia and globally. There is growing evidence that the impacts of feral cats can be amplified in post-fire environments, as cats are drawn to hunt in or around recently burnt areas and are also more effective hunters in open habitats. In 2018–2019, we established arrays of camera traps to estimate the abundance of feral cats on Kangaroo Island, South Australia. Much of the island (including five of our seven survey sites) was subsequently burnt in a severe wildfire (December 2019–February 2020). We re-sampled the sites 3–8 months post-fire (seven sites) and 11–12 months post-fire (three sites). At two unburnt sites sampled post-fire, it was possible to produce density estimates of cats using a spatially explicit capture–recapture approach. Where estimating density was not possible (due to low detections or individual cats not being distinguishable), the number of individuals and percentage of trap nights with detections was compared between the sampling periods. Some low-level cat control occurred within 2 km of three of the seven arrays (all within the burn scar) within 3 months of the fire. Across the five burnt sites, there was a decline in cat detections post-fire (including those without post-fire cat control). At 3–8 months post-fire, there was, on average, a 57% reduction in the number of individual cats, and a 65% reduction in the number of nights with cat detections, relative to pre-fire levels. Although cat detections declined following the fire, reduced population sizes of prey species and reduced cover as a result of the fire might still mean that cat predation is a threat to some surviving prey species. Management that reduces feral cat predation pressure on wildlife following wildfire should enhance the likelihood of post-fire wildlife persistence and recovery.  相似文献   

18.
19.
Interaction between humans and cats in urban environments is subject to dynamic change. Based on the frequency and quality of relations with humans, we can distinguish several populations of domestic cats (Felis catus): pedigree, pet, semi-feral, feral, and pseudo-wild. Bringing together theoretical perspectives of the Tartu school of biosemiotics and ethological studies of animal societies, we distinguish two basic types of cat cultures: the culture of street cats and the humano-cat culture of pets. The difference between these cultures is documented on the level of zoosemiotic interactions, ecological relations, and human representations. We introduce a threefold model of human-animal interactions in urban environments which steer a careful course between the Scylla of realistic ontology and the Charybdis of social constructivism. A case study on Estonian cat shelters illustrates the significance of cultural representations and institutionalized actions in human-cat cohabitation.  相似文献   

20.
ABSTRACT

The domestic cat Felis catus has a long history of interaction with humans, and is found throughout the world as a household pet and a feral animal. Despite people's often sentimental association with cats, cat meat is sometimes consumed by them; this practice can have important implications for public health. In Madagascar, a least developed country that has experienced recent political instability, cat consumption is known to occur, but remains poorly understood. To improve our understanding of cat consumption practices in Madagascar we interviewed 512 respondents in five towns. We used semi-structured interviews to: 1) clarify the preference for, and prevalence, correlates, and timing of, cat consumption; 2) describe methods used to procure cats for consumption; 3) identify motives for consuming cat meat; and, 4) evaluate to what extent patterns of cat-meat consumption are influenced by taboos. We found that, although cat was not a preferred source of meat, many (34%) Malagasy respondents had consumed cat meat before, with most (54%) of these indicating such consumption occurred in the last decade. We did not detect a link between consumption of cat meat and recent access to meat (a proxy for food security). Cat meat was almost never purchased, but rather was obtained when the owners consumed their own pet cat, as a gift, or by hunting feral cats. Cat meat was usually consumed in smaller towns following cat–human conflict such as attacks on chickens, but in the large capital city, cat meat was procured primarily from road-killed individuals. These results suggest cat-meat consumption is typically an opportunistic means to obtain inexpensive meat, rather than principally serving as a response to economic hardship. These results further suggest cat handling and consumption may present a potential pathway for transmission of several diseases, including toxoplasmosis, that may warrant heightened public health efforts.  相似文献   

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