Discipline: Zoology

Welfare of invertebrates: a pilot study on a new land snail stunning technique

Fossati P., Stefanini F.M., Ravasio G., Coerezza U.

Published in 2024

Scientific article providing preliminary data on the effectiveness of a method of stunning edible snails based on immersion in refrigerated water enriched with CO2 intended to avoid the suffering experienced by these invertebrates when slaughtered.

Document Types: Scientific paper

Animal categories:Molluscs

Keywords:Animal-based measurements, Consciousness, Pain, Euthanasia

Go to document

Brazilians' perception of shrimp sentience and welfare

Gabriela Bussi de Oliveira, Pedro Griczinski, Ana Silvia Pedrazzani, Murilo Henrique Quintiliano, Carla Forte Maiolino Molento

Published in 2024

Survey study to establish perceptions in Brazil of the welfare and sentience of shrimps.  ¾ of participants said they were concerned about the welfare of this crustacean. 84% of people acknowledged that the species senses  pain, particularly when the eyestalk is removed, a procedure carried out in farming to induce ovarian maturation and accelerate egg-laying.

Document Types: Scientific paper

Animal categories:Crustaceans

Keywords:Pain, Welfare indicators, Mutilation, Stress

Go to document

Assessing Giraffe Welfare During Seasonal Habitat Changes in Northern US Zoos

Razal, C., Bryant, J., & Miller, L.

Published in 2024

Multi-criteria study of behavioral observations, hormonal monitoring and decubitus rates as a means to assess giraffe welfare, comparing summer outdoor habitats and winter indoor quarters at several zoological institutions. The results suggest that housing giraffes indoors does not compromise their welfare, since positive effects were observed in both indoor and outdoor surroundings.

Document Types: Scientific paper

Animal categories:Wildlife, Ruminants

Keywords:Adaptation of the animal to the environment, Animal-based measurements, Livestock buildings, Welfare indicators, Housing, Living environment

Go to document

What We (Don't) Know about Parrot Welfare: A Systematic Literature Review

Andrea Piseddu, Yvonne van Zeeland, and Jean-Loup Rault

Published in 2024

Synthesis of the scientific literature examining potential welfare indicators applicable to pet parrots. The study identifies indicators such as behavioral changes (activity level, social interactions, exploration), body measurements (weight, plumage condition) and abnormal behaviors. These results serve as a starting point for work on a species that is rarely studied. 

Document Types: Scientific review

Animal Categories:Birds (excluding poultry)

Keywords:Aggression, Aggressiveness, Animal-based measurements, Welfare indicators, Behavioural disorders

Go to document

A Reexamination of the Relationship between Training Practices and Welfare in the Management of Ambassador Animals

S. Martin, G. Stafford, D.S. Miller

Published in 2024

Article proposing a model to improve the welfare of ambassador animals trained in zoos and aquariums. Key concepts include the recognition of choice and control by the animal, use of the most positive and least intrusive interventions possible during training, and a reduction in the use of aversive strategies.

Document Types: Scientific paper

Animal categories:Wildlife

Keywords: Animal mediation, Self-medication, Education, Human-animal relationships, Socialization,Working animals, Learning, training

Go to document

Doing better for understudied species: Evaluation and improvement of a species-general animal welfare assessment tool for zoos

Shannon L. O'Brien, Katherine A. Cronin

Published in 2023

Scientific article evaluating a generic welfare assessment method for different animals in the same zoo. It reveals that Mammals received the highest welfare scores and their assessment questionnaires were completed most fully. This led the authors to modify their assessment tool to take better account of all the taxa present in the zoo.

Document Types: Scientific paper

Animal categories:Wildlife

Keywords:Adaptation of the animal to the environment, Adaptation of the environment to the animal, Societal issues, Enrichment, Welfare indicators, Housing, Living environment, Human-animal relationships

Go to document

Quality-of-Life Assessments in Zoo Animals: Not Just for the Aged and Charismatic

Michelle Campbell-Ward

Published in 2023

Scientific review exploring the concept of quality of life as it applies to animals, assessment indicators and methods appropriate in a zoo setting, and the importance of taking quality of life into account at all stages of life, whatever the species.

Document Types: Scientific review

Animal categories:Wildlife

Keywords:Adaptation of the animal to the environment, Adaptation of the environment to the animal, Societal issues, Enrichment, Welfare indicators, Housing, Living environment, Human-animal relationships

Go to document

Manatees in Zoological Parks throughout the World: History, State, and Welfare

Yann Henaut, Fabienne Delfour

Published in 2023

Scientific review of living conditions, behavior and cognition, and the different approaches to welfare improvement for manatees in zoos.

Document Types: Scientific review

Animal categories:Wildlife

Keywords:Adaptation of the animal to environment, Adaptation of the environment to animal, Consciousness, Societal issues, Enrichment, Housing, Human-animal relationships, Resilience

Go to document

Towards the use of on-farm slaughterhouse

Thierry Astruc, E.M. Claudia Terlouw

Published in 2023

Scientific review of the different stages of slaughtering and their possible impacts on animal stress, welfare and meat quality. It reviews the regulations and technological advances that have led to the development of mobile slaughter units, presents a non-exhaustive list of mobile slaughter units currently in use, and sets out the advantages and disadvantages of these mobile units.

Document Types: Scientific review

Animal categories: Bovines, Caprines, Equines, Ovines, Porcines, Poultry

Keywords:Adaptation of the animal to the environment, Consciousness, Pain, Societal issues, Brain integration, Carcass quality, Stress, Livestock farming system

Go to document

Systematic review of the relationship between rumen acidosis and laminitis in cattle

Lorena Teixeira Passos, Arthur Fernandes Bettencourt, Luciano Antônio Ritt, Maria Eugênia Andrighetto Canozzi, Vivian Fischer

Published in 2023

Systematic literature review to clarify the relationship between the various clinical presentations of laminitis and diet-induced ruminal acidosis. The review failed to prove a link between diet (high levels of rapidly-digested carbohydrates), ruminal acidosis and acute laminitis.

Document Types: Scientific review

Animal categories: Bovines

Keywords:Adaptation of the animal to the environment, Pain, Societal issues

Go to document