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Lambert H, Elwin A, Assou D, Auliya M, Harrington LA, Hughes AC, Mookerjee A, Moorhouse T, Petrossian GA, Sun E, Warwick C, Can ÖE, D’Cruze N. Chains of Commerce: A Comprehensive Review of Animal Welfare Impacts in the International Wildlife Trade. Animals (Basel) 2025; 15:971. [PMID: 40218366 PMCID: PMC11988014 DOI: 10.3390/ani15070971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2025] [Revised: 03/17/2025] [Accepted: 03/21/2025] [Indexed: 04/14/2025] Open
Abstract
The commercial wildlife trade involves billions of animals each year, consumed for various purposes, including food, fashion, entertainment, traditional medicine, and pets. The experiences of the animals involved vary widely, with negative welfare states being commonplace. To highlight the broad scope of animal welfare impacts across the commercial wildlife trade, we present ten case studies featuring a range of species traded globally for different purposes: (1) Ball pythons captured and farmed to serve as pets; (2) Zebrafish captive bred to serve as pets; (3) African Grey Parrots taken from the wild for the pet industry; (4) Sharks de-finned for traditional medicine; (5) Pangolins hunted for traditional medicine; (6) Crickets farmed for food and feed; (7) Frogs wild-caught for the frog-leg trade; (8) Crocodilians killed for their skins; (9) Lions farmed and killed for tourism; and (10) Elephants held captive for tourism. The case studies demonstrate that wild animals commercially traded can suffer from negative welfare states ranging from chronic stress and depression to frustration and extreme hunger. The individuals involved range from hundreds to billions, and their suffering can last a lifetime. Given the welfare issues identified and the growing recognition and scientific evidence for animal sentience, we propose reducing and redirecting consumer demand for these consumptive wildlife practices that negatively impact animals.
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Affiliation(s)
- Helen Lambert
- Animal Welfare Consultancy, Newton Abbot TQ12 3BW, UK
| | - Angie Elwin
- World Animal Protection, 222 Greys Inn Road, London WC1X 8HB, UK; (A.E.); (E.S.); (N.D.)
| | - Délagnon Assou
- Laboratory of Ecology and Ecotoxicology (LaEE), University of Lomé, Lomé 01 BP 1515, Togo;
| | - Mark Auliya
- Zoological Research Museum Alexander Koenig of the Leibniz Institute for the Analysis of Biodiversity Change, 53113 Bonn, Germany;
| | - Lauren A. Harrington
- Wildlife Conservation Research Unit, Department of Biology, University of Oxford, Tubney House, Tubney OX13 5QL, UK;
| | - Alice C. Hughes
- School of Biological Sciences, University of Hong Kong, Hong Kong;
| | - Aniruddha Mookerjee
- Independent Researcher, 11/4 Baherakhar, Malajkhand, Balaghat 481116, India;
| | - Tom Moorhouse
- Oxford Wildlife Research, 64 Charles Street, Oxford OX4 3AS, UK;
| | - Gohar A. Petrossian
- John Jay College of Criminal Justice, 524 West 59th Street, New York, NY 10019, USA;
| | - Evan Sun
- World Animal Protection, 222 Greys Inn Road, London WC1X 8HB, UK; (A.E.); (E.S.); (N.D.)
| | - Clifford Warwick
- Emergent Disease Foundation, 71–75 Shelton Street, Covent Garden, London WC2H 9JQ, UK;
| | - Özgün Emre Can
- Department of Biology, Ankara University, Dögol Street, Ankara 06100, Turkey;
| | - Neil D’Cruze
- World Animal Protection, 222 Greys Inn Road, London WC1X 8HB, UK; (A.E.); (E.S.); (N.D.)
- Wildlife Conservation Research Unit, Department of Biology, University of Oxford, Tubney House, Tubney OX13 5QL, UK;
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Chan SW, Fang WT, LePage B, Wang SM. Assessing the Current Landscape of Reptile Pet Ownership in Hong Kong: A Foundation for Improved Animal Welfare and Future Research Directions. Animals (Basel) 2024; 14:1767. [PMID: 38929386 PMCID: PMC11201183 DOI: 10.3390/ani14121767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 05/31/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
We investigated the evolving landscape of reptile pet ownership in Hong Kong. Employing a quantitative approach, a self-administered survey was distributed and over 200 reptile pet owners residing in Hong Kong responded. The survey instrument captured demographic data on pet ownership history, species preferences, husbandry practices, and veterinary care utilization. The findings revealed a strong interest in pet reptiles, with lizards being particularly popular (67%) among new owners. Turtles remain common (35%), likely due to cultural factors and perceived ease of care. However, a gap was noted between the awareness and the implementation of proper husbandry practices, with 51% of respondents expressing concerns about enrichment and 21% uncertain about appropriate enclosure size. Veterinary care utilization also showed a disconnect, with 50% of the respondents reporting no regular check-ups were performed, despite acknowledging its importance. Reptile behavior served as a well-being indicator. Over 90% of the respondents observed normal behaviors like locomotion and breathing. Interestingly, a positive correlation emerged between reptile behavior scores and duration of ownership (r = 0.200, p < 0.01), suggesting improved well-being for reptiles that were in long-term care. These findings emphasize the need for educational initiatives promoting responsible pet ownership practices and fostering collaboration between reptile owners, veterinarians, and animal welfare organizations. By addressing these knowledge gaps and promoting a collaborative approach, our results aim to contribute to enhanced reptile welfare in the context of Hong Kong's evolving pet ownership trends.
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Affiliation(s)
- Sze-Wing Chan
- Graduate Institute of Sustainability Management and Environmental Education, National Taiwan Normal University, Taipei 106, Taiwan; (W.-T.F.); (B.L.); (S.-M.W.)
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Di Ianni F, Albarella S, Vetere A, Torcello M, Ablondi M, Pugliano M, Di Mauro S, Parma P, Ciotola F. Demonstration of Parthenogenetic Reproduction in a Pet Ball Python ( Python regius) through Analysis of Early-Stage Embryos. Genes (Basel) 2023; 14:1744. [PMID: 37761884 PMCID: PMC10531270 DOI: 10.3390/genes14091744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/19/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Parthenogenesis is an asexual form of reproduction, normally present in various animal and plant species, in which an embryo is generated from a single gamete. Currently, there are some species for which parthenogenesis is supposed but not confirmed, and the mechanisms that activate it are not well understood. A 10-year-old, wild-caught female ball python (Python regius) laid four eggs without any prior contact with a male. The eggs were not incubated and, after 3 days, were submitted to the University of Parma for analysis due to the suspicion of potential embryo presence. Examination of the egg content revealed residual blood vessels and a small red spot, indicative of an early-stage embryo. DNA was extracted from the three deceased embryos and from the mother's blood, five microsatellites were analyzed to ascertain the origin of the embryos. The captive history data, together with the genetic microsatellite analysis approach, demonstrated the parthenogenetic origin of all three embryos. The embryos were homozygous for each of the maternal microsatellites, suggesting a terminal fusion automixis mode of development.
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Affiliation(s)
- Francesco Di Ianni
- Department of Veterinary Science, Strada del Taglio 10, 43121 Parma, Italy
| | - Sara Albarella
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137 Naples, Italy
| | - Alessandro Vetere
- Department of Veterinary Science, Strada del Taglio 10, 43121 Parma, Italy
| | - Marco Torcello
- Ambulatorio Veterinario Dott. Di Mauro, Via Parini 8, 24043 Caravaggio, Italy
| | - Michela Ablondi
- Department of Veterinary Science, Strada del Taglio 10, 43121 Parma, Italy
| | - Mariagiulia Pugliano
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137 Naples, Italy
| | - Susanna Di Mauro
- Ambulatorio Veterinario Dott. Di Mauro, Via Parini 8, 24043 Caravaggio, Italy
| | - Pietro Parma
- Department of Agricultural and Environmental Sciences, Via Celoria 2, 20133 Milano, Italy
| | - Francesca Ciotola
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137 Naples, Italy
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Hughes A, Auliya M, Altherr S, Scheffers B, Janssen J, Nijman V, Shepherd CR, D'Cruze N, Sy E, Edwards DP. Determining the sustainability of legal wildlife trade. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 341:117987. [PMID: 37178541 DOI: 10.1016/j.jenvman.2023.117987] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/19/2023] [Accepted: 04/18/2023] [Indexed: 05/15/2023]
Abstract
Exploitation of wildlife represents one of the greatest threats to species survival according to the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services. Whilst detrimental impacts of illegal trade are well recognised, legal trade is often equated to being sustainable despite the lack of evidence or data in the majority of cases. We review the sustainability of wildlife trade, the adequacy of tools, safeguards, and frameworks to understand and regulate trade, and identify gaps in data that undermine our ability to truly understand the sustainability of trade. We provide 183 examples showing unsustainable trade in a broad range of taxonomic groups. In most cases, neither illegal nor legal trade are supported by rigorous evidence of sustainability, with the lack of data on export levels and population monitoring data precluding true assessments of species or population-level impacts. We propose a more precautionary approach to wildlife trade and monitoring that requires those who profit from trade to provide proof of sustainability. We then identify four core areas that must be strengthened to achieve this goal: (1) rigorous data collection and analyses of populations; (2) linking trade quotas to IUCN and international accords; (3) improved databases and compliance of trade; and (4) enhanced understanding of trade bans, market forces, and species substitutions. Enacting these core areas in regulatory frameworks, including CITES, is essential to the continued survival of many threatened species. There are no winners from unsustainable collection and trade: without sustainable management not only will species or populations become extinct, but communities dependent upon these species will lose livelihoods.
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Affiliation(s)
- Alice Hughes
- School of Biological Sciences, University of Hong Kong, China.
| | - Mark Auliya
- Department of Herpetology, Leibniz Institute for the Analysis of Biodiversity Change, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | | | - Brett Scheffers
- Department of Wildlife Ecology and Conservation, University of Florida/IFAS, Gainesville, FL, USA
| | - Jordi Janssen
- Monitor Conservation Research Society, PO BOX 200, Big Lake Ranch, BC, V0L 1G0, Canada
| | - Vincent Nijman
- Oxford Wildlife Trade Research Group, Oxford Brookes University, Oxford, OX3 0BP, UK.
| | - Chris R Shepherd
- Monitor Conservation Research Society, PO BOX 200, Big Lake Ranch, BC, V0L 1G0, Canada
| | - Neil D'Cruze
- The Wildlife Conservation Research Unit, Department of Zoology, University of Oxford, Tubney, UK; World Animal Protection, 222 Greys Inn Road, London, WC1X 8HB, UK
| | - Emerson Sy
- Philippine Center for Terrestrial & Aquatic Research, Manila, Philippines
| | - David P Edwards
- Ecology and Evolutionary Biology, School of Biosciences University of Sheffield, Sheffield, S10 2TN, UK.
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Sigaud M, Kitade T, Sarabian C. Exotic animal cafés in Japan: A new fashion with potential implications for biodiversity, global health, and animal welfare. CONSERVATION SCIENCE AND PRACTICE 2023. [DOI: 10.1111/csp2.12867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Affiliation(s)
- Marie Sigaud
- Centre d'Ecologie et des Sciences de la Conservation (CESCO) Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique, Sorbonne Université Paris France
- Primate Research Institute (PRI) Kyoto University Inuyama Japan
| | | | - Cécile Sarabian
- Primate Research Institute (PRI) Kyoto University Inuyama Japan
- School of Biological Sciences The University of Hong Kong Hong Kong China
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Toudonou C, Elwin A, Penner J, Coulthard E, Norrey J, Megson D, Rödel MO, Sinsin B, Harrington LA, Auliya M, D’Cruze N. Seeking serpents: Ball python trade in Benin, West Africa. NATURE CONSERVATION 2022. [DOI: 10.3897/natureconservation.50.86352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Ball pythons are traded as bushmeat, leather and belief-based medicine in West Africa, and specimens are exported in large numbers for the exotic pet trade. Here, we focused on understanding the purpose and socio-economic context of this trade in Benin through interviews with 44 actors involved in the trade of this species. We provided a snapshot of trade dynamics during a period when hunters are not predominantly actively involved in supplying eggs, neonates and gravid females for ranching and export as exotic pets. Our findings revealed that hunters and traders were largely focused on supplying the bushmeat and medicine markets in West Africa during this time. We estimated that the 21 collectors engaged in hunting in our study collectively hunt between 576 and 5,083 ball pythons from the wild each year. Collection rates reported by some suggests that they could earn more than 15,000 USD from ball python sales in bushmeat markets annually. Ball pythons hunted in Benin were mainly sold to local customers as “bushmeat” (53%) or for belief-based uses (39%) (including “fetish”, “medicinal products” and “voodoo”). However, cross-border trade with neighboring countries of Togo, Nigeria, and Ghana (or even further) also occurred. Although profitable for some, the scale of this practice, together with the widely reported decline in ball python populations in Benin, raises concern about the sustainability and long-term economic viability of this type of large-scale commercial wildlife trade in West Africa, especially as it occurs alongside extensive ranching practices to support the exotic pet trade.
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Macdonald DW, Harrington LA, Moorhouse TP, D'Cruze N. Trading Animal Lives: Ten Tricky Issues on the Road to Protecting Commodified Wild Animals. Bioscience 2021; 71:846-860. [PMID: 34876885 PMCID: PMC8643462 DOI: 10.1093/biosci/biab035] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Wildlife commodification can generate benefits for biodiversity conservation, but it also has negative impacts; overexploitation of wildlife is currently one of the biggest drivers of vertebrate extinction risk. In the present article, we highlight 10 issues that in our experience impede sustainable and humane wildlife trade. Given humanity's increasing demands on the natural world we question whether many aspects of wildlife trade can be compatible with appropriate standards for biodiversity conservation and animal welfare, and suggest that too many elements of wildlife trade as it currently stands are not sustainable for wildlife or for the livelihoods that it supports. We suggest that the onus should be on traders to demonstrate that wildlife use is sustainable, humane, and safe (with respect to disease and invasion risk), rather than on conservationists to demonstrate it is not, that there is a need for a broad acceptance of responsibility and, ultimately, widespread behavior change. We urge conservationists, practitioners, and others to take bold, progressive steps to reach consensus and action.
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Affiliation(s)
| | | | | | - Neil D'Cruze
- Department of Zoology at the University of Oxford, Tubney, Oxfordshire, United Kingdom
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Boakye MK, Wiafe ED, Ziekah MY. Ethnomedicinal use of pythons by traditional medicine practitioners in Ghana. AFR J HERPETOL 2021. [DOI: 10.1080/21564574.2021.1976288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Maxwell K Boakye
- Department of Environmental Science, Ho Technical University, Ho, Ghana
| | - Edward D Wiafe
- School of Natural and Environmental Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Meyir Y Ziekah
- Kumasi Zoological Garden, Forestry Commission (Wildlife Division), Kumasi, Ghana
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Sinclair JS, Stringham OC, Udell B, Mandrak NE, Leung B, Romagosa CM, Lockwood JL. The International Vertebrate Pet Trade Network and Insights from US Imports of Exotic Pets. Bioscience 2021; 71:977-990. [PMID: 34475807 PMCID: PMC8407969 DOI: 10.1093/biosci/biab056] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The international trade in exotic vertebrate pets provides key social and economic benefits but also drives associated ecological, ethical, and human health impacts. However, despite its clear importance, we currently lack a full understanding of the structure of the pet trade, hampering efforts to optimize its benefits while mitigating its negative effects. In the present article, we represent and review the structure of the pet trade as a network composed of different market actors (nodes) and trade flows (links). We identify key data gaps in this network that, if filled, would enable network analyses to pinpoint targets for management. As a case study of how data-informed networks can realize this goal, we quantified spatial and temporal patterns in pets imported to the United States. Our framework and case study illustrate how network approaches can help to inform and manage the effects of the growing demand for exotic pets.
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Affiliation(s)
- James S Sinclair
- Aquatic Ecology Lab, The Ohio State University, Columbus, Ohio, United States
| | - Oliver C Stringham
- Invasion Science and Wildlife Ecology Lab, The University of Adelaide, Adelaide, South Australia, Australia
| | - Bradley Udell
- University of Florida, Gainesville, and is currently an ecologist with the US Geological Survey's North American Bat Monitoring Program, Fort Collins Science Center, Fort Collins, Colorado, United States
| | | | - Brian Leung
- McGill University, UNESCO Chair for Dialogues on Sustainability, and the Director of the McGill-STRI Neotropical Environment Option, Montreal, Quebec, Canada
| | | | - Julie L Lockwood
- Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey, United States
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Green J, Coulthard E, Norrey J, Megson D, D’Cruze N. Risky Business: Live Non-CITES Wildlife UK Imports and the Potential for Infectious Diseases. Animals (Basel) 2020; 10:E1632. [PMID: 32932890 PMCID: PMC7552149 DOI: 10.3390/ani10091632] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 08/27/2020] [Accepted: 09/07/2020] [Indexed: 12/17/2022] Open
Abstract
International wildlife trade is recognised as a major transmission pathway for the movement of pathogenic organisms around the world. The UK is an active consumer of non-native live wild animals and is therefore subject to the risks posed by pathogen pollution from imported wildlife. Here, we characterise a key yet overlooked portion of the UK wildlife import market. We evaluate the trade in live non-CITES (Convention on International Trade in Endangered Species) wild terrestrial animals entering the UK over a 5-year period using data reported by the Animal and Plant Health Agency (APHA). Between 2014 and 2018, over 48 million individual animals, across five taxonomic classes and 24 taxonomic orders, were imported into the UK from 90 countries across nine global regions. The largest volumes of wild animals were imported from North America and Asia, and most of the import records were from Europe and Africa. Excluding Columbiformes (pigeons) and Galliformes ('game birds'), amphibians were the most imported taxonomic class (73%), followed by reptiles (17%), mammals (4%), birds (3%), and arachnids (<1%). The records described herein provide insight into the scope and scale of non-CITES listed wildlife imported in to the UK. We describe the potential for pathogen pollution from these vast and varied wildlife imports and highlight the potential threats they pose to public health. We also draw attention to the lack of detail in the UK wildlife import records, which limits its ability to help prevent and manage introduced infectious diseases. We recommend that improved record keeping and reporting could prove beneficial in this regard.
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Affiliation(s)
- Jennah Green
- World Animal Protection, 222 Gray’s Inn Rd., London WC1X 8HB, UK;
| | - Emma Coulthard
- Ecology & Environment Research Centre, Department of Natural Sciences, Manchester Metropolitan University, Manchester M1 5GB, UK; (E.C.); (J.N.); (D.M.)
| | - John Norrey
- Ecology & Environment Research Centre, Department of Natural Sciences, Manchester Metropolitan University, Manchester M1 5GB, UK; (E.C.); (J.N.); (D.M.)
| | - David Megson
- Ecology & Environment Research Centre, Department of Natural Sciences, Manchester Metropolitan University, Manchester M1 5GB, UK; (E.C.); (J.N.); (D.M.)
| | - Neil D’Cruze
- World Animal Protection, 222 Gray’s Inn Rd., London WC1X 8HB, UK;
- Wildlife Conservation Research Unit, Department of Zoology, Recanati-Kaplan Centre, University of Oxford, Tubney House, Abingdon Road, Tubney, Abingdon OX13 5QL, UK
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