Search Results (1,106)

Immigrants from Latin America’s Indigenous and rural communities in New York City are likely to break the cycle of poverty by improving language proficiency, acculturation, and education. Their well-being has received poor attention in the economic literature, and little is known about the needs, financial welfare, health status, or education among Indigenous-origin migrants from Latin American households. This study used primary data from a non-probabilistic sample of 121 self-identified Indigenous migrants living in New York City (NYC), a demographic cohort presenting challenges in terms of research access. National-level data usually aggregates all Spanish-speaking individuals as Hispanics and fails to acknowledge the presence of these pre-Hispanic groups. Integrating low-skilled Latin American Indigenous migrants into labor markets remains a challenge. We examined the link between the household income of Indigenous migrants from Latin America in NYC and education, acculturation, and discrimination. Using a logistic regression, we substantiated that education retains its prominence as the primary determinant of income for Indigenous migrants, but perceptions of discrimination based on skin color undermined this progress. This study highlights the need for interventions to promote language proficiency, acculturation, and education among Indigenous immigrant communities and implement culturally tailored policies to encourage the upward mobility of this population. Full article

This study examined the psychological and occupational impact of harassment from clients and their family members on disability welfare professionals in Japan. Specifically, it investigated how such harassment affects post-traumatic stress disorder (PTSD) symptoms and work engagement, and whether PTSD mediates this relationship. A cross-sectional web-based survey was conducted among 280 disability welfare workers. All 280 participants completed the nine-item Utrecht Work Engagement Scale. Of these, 100 participants (35.71%) who reported having experienced harassment from clients or their family members also completed the PTSD Checklist for DSM-5. Results showed that 21% of participants who experienced harassment exceeded the clinical threshold for probable PTSD. Those with harassment experiences also demonstrated significantly lower work engagement. Regression analysis indicated that PTSD symptoms were a significant negative predictor of work engagement. Mediation analysis further confirmed that PTSD fully mediated the association between harassment exposure and reduced engagement, suggesting that harassment undermines work motivation primarily through its psychological impact. Harassment from clients and their family members poses a psychological risk to disability welfare professionals. Individuals with harassment experiences show higher PTSD symptoms. Future discussion should explore protective factors and interventions to support the psychological well-being and work engagement of welfare professionals. Full article

Dogs show exceptional olfactory sensitivity and are widely used in medical, rescue, military, and forensic applications, yet the determinants of individual and breed-level scent-work performance remain incompletely characterized. This review integrates evidence from the anatomy and physiology of the canine olfactory organ, neurobiological mechanisms of odor transduction and coding, and links between olfaction, memory, and emotion, alongside molecular genetics, evolution, domestication, and selective breeding. We synthesize findings indicating that complex nasal turbinates and specialized airflow patterns enhance odorant capture, while olfactory bulb circuitry and downstream connections to limbic and frontal networks support discrimination, learning, and affective modulation. Comparative and breed-focused studies suggest that skull morphology and breeding priorities can alter olfactory capacity, with shortened nasal anatomy associated with reduced functional potential in some lines. In applied contexts, detection success is strongly shaped by behavioral traits such as motivation, persistence, independence, and reward value, as well as by physical condition and environmental stressors that can impair search efficiency. Emerging literature further suggests that the gastrointestinal and upper airway microbiome, together with diet, housing, temperature, and workload, may influence sensory and cognitive readiness, although direct causal links to detection outcomes remain limited. Overall, canine olfactory performance reflects interactions among genetic–anatomical capacity, neurobehavioral factors, and environment, underscoring the value of standardized selection, training, welfare management, and future integrative research. Full article

Molting is an important biological and physiological stage in penguins, influenced by environmental and nutritional factors. Feather composition analysis before and after molting can consequently place boundaries on element bioaccumulation and excretion. We quantified and compared elemental concentrations in African penguin (Spheniscus demersus) feathers collected pre- and post-molt across three zoos to evaluate how molt stage and zoo-specific conditions influence feather elemental composition. Feathers were retrieved from individual penguins at Zoom Torino (Italy), Overloon ZooParc (Netherlands), and Zoo Magdeburg (Germany). Quantification of elemental concentrations were performed by analytical methods, with both ICP-OES and HR-ICP-MS techniques. A statistical approach involving MANOVA and factorial analysis helped identify important trends. Pre-molt features had more variability than post-molt, with both showing significant differences in elemental concentrations. Factorial analysis showed geogenic trends in Mg, Sr, and Ni trends as well as anthropogenic trends in Pb. While Na and K differed among all treatment groups, this likely points to physiological adaptations in response to increased demand during feather regrowth. Additionally, inter-zoo comparisons highlighted distinct elemental profiles linked to local environmental and dietary conditions, particularly in Zoo Magdeburg, where Na levels were markedly elevated. This study highlights the influence of environmental and dietary conditions on feather composition during molt, offering insights for improving captive penguin welfare and broader ecological implications related to climate change and pollution. Full article

EU regulations concerning the evaluation of animals’ fitness for transportation are in several ways rather vague, which leaves room for individual interpretation of the legislation with a potential negative impact on animal welfare. In order to guide interpretation of the unclear statements within the legislation, all forensic case files handled during a 10-year period (2014–2023) on Danish pigs and cattle that had been declared unfit for transportation and subsequently reported to the police, were evaluated. A total of 327 case files addressing 428 animals were examined. Most pigs were declared unfit for transportation due to the presence of severe open wounds, whereas lameness was the main reason for cattle being deemed unfit. In conclusion, most wounds rendering both pigs and cattle unfit for transportation measured at least 3 cm in diameter, apart from those located in sensitive areas, e.g., tails. Manifestations rendering pigs unfit for transportation due to lameness were primarily joint lesions, whereas fractures were the dominant cause of lameness in cattle. Therefore, the focus should be on these manifestations when assessing animals for transport fitness. Full article

The pygmy hippopotamus (Choeropsis liberiensis, Morton, 1849) is classified as Endangered by the International Union for the Conservation of Nature (IUCN). Compared to other large, threatened mammals, this species remains relatively understudied and new findings indicate potential welfare concerns, emphasizing the need for further research on the species welfare in zoological institutions. One approach to improving welfare in captivity is through environmental enrichment. This study investigated the effects of olfactory enrichment on three individual pygmy hippopotamuses through behavioral analysis and heat-map visualization. Using continuous focal sampling, several behaviors were influenced by the stimuli, with results showing a general decrease in inactivity and an increase in environmental engagement and interaction, particularly through scenting behavior. To further enhance behavioral quantification, machine learning techniques were applied to video data, comparing manual and automated behavior classification using the pose estimation program SLEAP. Four behaviors Standing, Locomotion, Feeding/Foraging, and Lying Down were compared. A confusion matrix, time budgets, and Kendall’s Coefficient of Concordance (W) were used to assess agreement between methods. The results showed a strong and moderate agreement between manual and automated annotations, for the female and calf, respectively. This demonstrates the potential of automation to complement behavioral observations in future welfare monitoring. Full article

Unsafe behaviors remain a major contributor to workplace accidents within broader safety-management systems. Acknowledging the essential influence of organizational and leadership factors, this study focuses on systematically identifying and prioritizing individual-level determinants of unsafe behavior through an integrated qualitative–quantitative methodology to clarify their specific role within the wider safety framework. Grounded Theory analysis of semi-structured interviews with 40 industry professionals yielded a conceptual model encompassing demographic characteristics, general health, individual competencies, personality traits, and psychological factors. Subsequently, the Fuzzy Delphi Method, applied with 20 domain experts, validated and ranked these determinants. The analysis highlighted risk perception as the most influential factor, followed by work experience, skill level, knowledge, and risk-taking propensity, whereas variables such as family welfare, substance use, and self-display exhibited relatively minor effects. These findings reveal the multidimensional nature of unsafe behavior and underscore the importance of focusing on high-impact personal attributes to enhance workplace safety. By recognizing that many individual factors are shaped by organizational and psychosocial conditions, the study provides evidence-based insights for developing integrated safety management and targeted intervention strategies in industrial settings. Full article

The slaughter of pregnant sows remains a relevant concern in modern swine production, with prevalence rates reported from 1.5–13% in Europe. Considering fetal sensitivity during late gestation and legal restrictions on transport and slaughter, reliable assessment of fetal age is of considerable practical, ethical, and legal relevance. In this study, 70 pregnancies from low-prolificacy (purebred German Saddleback) and medium-to-high prolificacy genotypes (purebred German Landrace and Duroc × German Landrace hybrids) were repeatedly examined using transabdominal ultrasonography, with a total of 15 examinations per pregnancy. Seven fetometric parameters—rosto-occipital distance, bi-parietal distance, orbital distance, sternum length, thorax diameter, body diameter, and crown–rump length—were measured in vivo, assessing two fetuses per pregnancy and calculating mean values to account for intra-individual variation. Parameter feasibility varied across gestation: during early gestation (gestation days 38 and 40), orbital distance, sternum length, and crown–rump length could be reliably measured; in mid-gestation, all seven parameters were measurable, whereas in late gestation (from gestational day 87 onward), crown–rump length was no longer measurable, and the remaining six parameters remained assessable for gestational age estimation. Crown–rump length (CRL) increased from a median of 3.2 cm (range 1.9–4.2 cm) at day 38 to 16.3 cm (range 14.0–18.2 cm) at day 77, representing the most practical parameter for determining the stage of gestation. Litter size had no significant effect on fetometric growth, except for a weak correlation with thorax diameter at day 77, and parity showed no measurable influence on any parameter. The results show that fetometric values in modern sow genotypes are smaller than those reported in earlier literature, highlighting the need for updated gestational age assessment. These findings provide practical guidance for gestational age estimation, supporting the enforcement of animal welfare legislation and potentially contributing to a reduction in the slaughter of highly pregnant sows. Full article

Stress coping style (SCS) is crucial for animal welfare in the context of breeding. The link between behavioural traits and physiological responses to external stimuli is increasingly recognized and could orient the selection of appropriate SCSs for welfare-oriented breeding. This study aimed to evaluate how SCS influences the physiological responses of Sparus aurata, a widely used species in aquaculture, following Vibrio anguillarum stimulation. To this end, the serum protein electrophoretic profile, analysed by capillary electrophoresis, was used as an innovative parameter to assess physiological variations. S. aurata individuals were categorized into three SCS groups—bold, shy, and intermediate —based on a risk-taking test. Serum was collected at day 0 (pre-inactivated V. anguillarum inoculation) and at 30 and 60 days post-inoculation. Analyses revealed an increase in the β₂-globulin fraction, putatively associated with molecules involved in the physiological response following inactivated pathogen inoculation, accompanied by a decrease in the γ fraction over time. This trend was particularly pronounced in bold fish, while shy ones showed a similar but less marked pattern. Overall, the results suggest that proactive individuals exhibit a more marked physiological modulation to inactivated pathogen stimulation than reactive ones, highlighting modulation of serum protein electrophoresis as a sensitive bioindicator of physiological response in S. aurata. Full article

Expanding longevity, together with a decrease in mortality, leads to an increase in the older population worldwide. In this review, ageing and older adults, as well as psychosocial and advanced technological interventions, will be discussed. Older adults are associated with an increased incidence of multimorbidity and disability; thus, they have a higher demand for health services than younger individuals. Challenges in welfare services and inadequate family and community-based care support negatively impact the psychosocial and economic wellbeing of older people. Active ageing and successful ageing are crucial aspects for a better quality of life in this age group, as there is a complex interplay of different domains and disease types that influence quality of life in older adults. Additionally, promoting the social participation of older adults is vital for improving their quality of life. Furthermore, the use of technology in older adults has a positive impact on their quality of life; however, aside from the promotion and implementation of technological interventions, challenges persist at all levels of acceptance and use. A better understanding of these challenges and implementing measures to overcome them will have a significant impact on the technological acceptance of older adults and their use in daily life activities, resulting in more favourable quality of life outcomes. Full article

Among ground-based paradigms used to reproduce altered gravity exposure, the hindlimb unloading (HU) model is widely employed to simulate microgravity conditions by removing gravitational loading from the hindlimbs. Despite its extensive use, behavioral adjustments during suspension remain poorly characterized, although they may provide valuable indicators of animal welfare and individual susceptibility. Here, we comprehensively characterized the behavioral profile of mice during and after HU using a dedicated ethogram, with the aim of identifying behavioral markers associated with individual coping strategies. Several exploratory and postural behaviors showed marked time-dependent modulation, with baseline exploratory activity predicting a more adaptive behavioral trajectory during suspension, possibly indicative of greater resilience. In parallel, brain levels of the neurotrophins NGF and BDNF were measured to explore their relationship with behavioral outcomes. Although no significant group differences were detected, suspended mice displayed a progressive reduction in both neurotrophins over time, which paralleled behavioral adaptation. Together, these findings indicate that specific exploratory behaviors represent reliable predictors of resilience to HU, while NGF and BDNF may reflect ongoing neuroplastic processes associated with prolonged suspension. Full article

The behavior of individual animals reflects both internal states and external context. For captive animals, their early life experiences can influence later adjustment, particularly their social competence. In addition, the way in which they are housed and their current social grouping context are important factors affecting the expression of social skills. Here, the social behavior of 39 chimpanzees (Pan troglodytes) was observed to assess whether differences existed due to how the apes were reared and grouped. Behaviors recorded related specifically to five main components: Sociability, Grooming, Play, Responsibility and Aggression. Chimpanzees in larger groups groomed and played more, while those housed in pairs or trios displayed more and spent more time alone. Mother-reared chimpanzees took more responsibility for soliciting grooming, and interactions between grouping and rearing on chimpanzee agonistic display rates highlighted how both hand- and mother-reared chimpanzees display more if housed in small groups rather than large. Implications for the optimal management and welfare of this highly intelligent and social species are discussed in light of the importance of early life experiences in modulating the impact of current social environment on chimpanzee social profiles. Full article

Animal-assisted services (AAS) depend on volunteer handler–dog teams, yet the emotional and relational impacts on volunteers when their therapy dog dies or retires remain largely unexplored. This study examines AAS volunteers’ experiences following the death or retirement of their therapy dog partner. An online, anonymous cross-sectional survey was administered between January and June 2025. A total of 247 individual responses were analyzed. Over half of survey participants (56%) had lost a therapy dog to death, and 36.6% had retired a dog. Although most volunteers who resumed AAS with a new dog reported excitement and renewed purpose, many experienced sadness linked to their previous partner. Retirement decisions were primarily driven by dog welfare concerns and were often experienced as an ambiguous loss. Social constraints were common; participants frequently perceived minimization or discomfort from others when attempting to discuss their grief. In conclusion, therapy dog death and retirement represent significant emotional and relational losses for AAS volunteers. Organizational practices, including anticipatory retirement planning, welfare-centered guidelines, recognition rituals, and structured support during successor-dog transitions may help mitigate distress and foster healthy adjustment. Findings are discussed in relation to theory-informed, practical implications for animal-assisted service practitioners and organizations. Full article

Individual animal identification is a cornerstone of animal welfare practices and is of crucial importance for food safety and the protection of humans from zoonotic diseases. It is also a key prerequisite for enabling automated processes in modern dairy farming. With newly emerging technologies, visual animal identification based on machine learning offers a more efficient and non-invasive method with high automation potential, accuracy, and practical applicability. However, a common challenge is the limited variability of training datasets, as images are typically captured in controlled environments with uniform backgrounds and fixed poses. This study investigates the impact of foreground segmentation and background removal on the performance of convolutional neural networks (CNNs) for cow identification. A dataset was created in which training images of dairy cows exhibited low variability in pose and background for each individual, whereas the test dataset introduced significant variation in both pose and environment. Both a fine-tuned CNN backbone and a model trained from scratch were evaluated using images with and without background information. The results demonstrate that although training on segmented foregrounds extracts intrinsic biometric features, background cues carry more information for individual recognition. Full article

Flock uniformity is a critical factor influencing productivity, production efficiency, animal welfare, and overall economic outcomes in broiler production. Despite its importance, uniformity is often overlooked in commercial settings, where production goals typically focus on maximizing average BW and overall flock performance rather than minimizing variation among individual birds. This review aims to summarize the diverse factors that affect flock uniformity in broilers. Under standard conditions between days 14 and 49, flock uniformity typically reaches approximately 90%. Both intrinsic factors, such as genetics, initial BW, age, sex, and rearing method, and extrinsic factors, including housing, management, and vaccination practices, have been shown to influence uniformity. Environmental and management challenges, such as heat stress, nutrient deficiencies, microbial infections, high stocking density, feed form, and mixed-sex rearing, can further reduce uniformity by 2.5–15%. These findings highlight the high sensitivity of flock uniformity to multiple stressors, which may interact rather than act independently. Moreover, these findings highlight the need to consider both baseline and challenging factors in broiler production and support the development of targeted management and environmental strategies to improve flock uniformity and enhance overall production efficiency. Full article