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https://www.readbyqxmd.com/read/28107477/effects-of-ambient-environmental-factors-on-the-stereotypic-behaviors-of-giant-pandas-ailuropoda-melanoleuca
#1
He Liu, Hejun Duan, Cheng Wang
Stereotypies are commonly observed in zoo animals, and it is necessary to better understand whether ambient environmental factors contribute to stereotypy and how to affect animal welfare in zoo settings. This study investigated the relationships between stereotypic behaviors and environmental factors including ambient temperatures, humidity, light intensity, sound intensity and number of visitors. Seven giant pandas were observed in three indoor enclosures and three outdoor enclosures. Environmental factors were measured for both indoor and outdoor enclosures and the effect they had on stereotypical behaviors was investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28106802/effects-of-the-truck-suspension-system-on-animal-welfare-carcass-and-meat-quality-traits-in-pigs
#2
Filipe Antônio Dalla Costa, Letícia S Lopes, Osmar Antônio Dalla Costa
The objective of this study was to assess the effects of two types of commercial suspension (leaf-spring (LS) vs. air suspension (AS)) installed on two similar double-decked trucks on blood cortisol and lactate concentration, lairage behavior, carcass skin lesions and pork quality traits of 120 crossbred pigs. The suspension type neither influenced pig behaviour in lairage nor blood cortisol and lactate concentrations (p > 0.10). However, when compared with the AS suspension system, the use of LS increased the number of skin lesions in the back and thigh (p = 0...
January 18, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28100016/validation-of-an-enzyme-immunoassay-and-comparison-of-fecal-cortisol-metabolite-levels-in-black-and-gold-howler-monkeys-alouatta-caraya-inhabiting-fragmented-and-continuous-areas-of-the-humid-chaco-region-argentina
#3
Verónica Inés Cantarelli, Maria Amparo Perez-Rueda, Martin M Kowalewski, Gabriela F Mastromonaco, Marina Flavia Ponzio
In the last years, the study of how environmental stimuli influence the physiology and specifically the endocrinology of an organism became increasingly important, relying mainly on the quantification of glucocorticoids to monitor animal welfare. Most studies investigating cortisol levels in primates were focused on the impact of social stressors; however, a major concern for the conservation of howler monkeys is the increased habitat fragmentation led by the advancement of the agricultural frontier. We compared fecal cortisol metabolite levels (FGCM) in howler monkeys (Alouatta caraya) living in fragmented and continuous forests of the Argentine humid Chaco region, throughout the warm season (spring-summer)...
January 18, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28092422/international-consensus-principles-for-ethical-wildlife-control
#4
Sara Dubois, Nicole Fenwick, Erin A Ryan, Liv Baker, Sandra E Baker, Ngaio J Beausoleil, Scott Carter, Barbara Cartwright, Federico Costa, Chris Draper, John Griffin, Adam Grogan, Gregg Howald, Bidda Jones, Kate E Littin, Amanda T Lombard, David J Mellor, Daniel Ramp, Catherine A Schuppli, David Fraser
Human-wildlife conflicts are commonly addressed by excluding, relocating, or lethally controlling animals with the goal of preserving public health and safety, protecting property, or conserving other valued wildlife. However, declining wildlife populations, a lack of efficacy of control methods in achieving desired outcomes, and changes in how people value animals have triggered widespread acknowledgment of the need for ethical and evidence-based approaches to managing such conflicts. We explored international perspectives on and experiences with human-wildlife conflicts to develop principles for ethical wildlife control...
January 16, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28088420/exploring-expert-opinion-on-the-practicality-and-effectiveness-of-biosecurity-measures-on-dairy-farms-in-the-united-kingdom-using-choice-modeling
#5
Orla Shortall, Martin Green, Marnie Brennan, Wendela Wapenaar, Jasmeet Kaler
Biosecurity, defined as a series of measures aiming to stop disease-causing agents entering or leaving an area where farm animals are present, is very important for the continuing economic viability of the United Kingdom dairy sector, and for animal welfare. This study gathered expert opinion from farmers, veterinarians, consultants, academics, and government and industry representatives on the practicality and effectiveness of different biosecurity measures on dairy farms. The study used best-worst scaling, a technique that allows for greater discrimination between choices and avoids the variability in interpretation associated with other methods, such as Likert scales and ranking methods...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28087312/immunisation-choice-of-host-adjuvants-and-boosting-schedules-with-emphasis-on-polyclonal-antibody-production
#6
REVIEW
Philippe Delahaut
Polyclonal antibodies are frequently used as immunodiagnostic tools in fundamental research. They are also used for routine diagnostic purposes in human and veterinary medicine and for quality control procedures in the food-processing industry. The antibody is a major component of the detection system. It binds with the molecule to be identified. This conjugate is subsequently revealed by means of binding the antibody with a radio-isotope, a fluorescent substance, an enzyme inducing a color change, or a biosensor based analytical system...
January 10, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28086878/a-case-of-cranium-bifidum-with-meningocele-in-ayrshire-calf
#7
Mosiany Letura Kisipan, Caleb Oburu Orenge, David Njogu Gacheru, Raphael Muchangi Ngure
BACKGROUND: Congenital cranial bone defects predispose to herniation of meninges, sometimes with brain tissue involvement, to form a cerebrospinal fluid (CSF)-filled cyst in the head. Such defects mainly results from focal failure of neural tube closure during fetal development and has been reported in various species of domestic mammals. CASE PRESENTATION: A one week old Ayrshire calf with a fluctuant swelling on parieto-occipital region of the head was referred to the faculty...
January 13, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28068372/perception-of-fish-sentience-welfare-and-humane-slaughter-by-highly-educated-citizens-of-bogot%C3%A3-colombia-and-curitiba-brazil
#8
Daniel Santiago Rucinque, Ana Paula Oliveira Souza, Carla Forte Maiolino Molento
Discussions on farm animal welfare have become frequent, especially in developed countries. The aim of this research was to study the perception of fish sentience, welfare and slaughter by highly educated citizens from Bogotá, Colombia, and Curitiba, Brazil. An online survey with 12 questions presented as open-ended, multiple choice and 5-point Likert-type scale formats was available to respondents. Answers from 395 participants in Bogotá and 387 in Curitiba were analyzed, and results are presented in the order Bogotá followed by Curitiba...
2017: PloS One
https://www.readbyqxmd.com/read/28053077/animal-research-the-3rs-and-the-internet-of-things-opportunities-and-oversight-in-international-pharmaceutical-development
#9
Steven M Niemi, Gail F Davies
Stages of drug (and vaccine) discovery and evaluation that involve laboratory animals increasingly occur via scientific collaborations across national borders and continents. Many of these research collaborations are between asset-rich institutions and others in less wealthy parts of the world. The care and use of laboratory animals in geographically disparate locations introduces new complexities, such as different oversight requirements and available resources, as well as diverse organizational and cultural milieus...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28053076/opportunities-to-apply-the-3rs-in-safety-assessment-programs
#10
Fiona Sewell, Joanna Edwards, Helen Prior, Sally Robinson
Before a potential new medicine can be administered to humans it is essential that its safety is adequately assessed. Safety assessment in animals forms an integral part of this process, from early drug discovery and initial candidate selection to the program of recommended regulatory tests in animals. The 3Rs (replacement, reduction, and refinement of animals in research) are integrated in the current regulatory requirements and expectations and, in the EU, provide a legal and ethical framework for in vivo research to ensure the scientific objectives are met whilst minimizing animal use and maintaining high animal welfare standards...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28053075/refinement-reduction-and-replacement-of-animal-toxicity-tests-by-computational-methods
#11
Kevin A Ford
Widespread public and scientific interest in promoting the care and well-being of animals used for toxicity testing has given rise to improvements in animal welfare practices and views over time, as well as laws and regulations that support means to reduce, refine, and replace animal use (known as the 3Rs) in certain toxicity studies. One way these regulations continue to achieve their aim is by promoting the research, development, and application of alternative testing approaches to characterize potential toxicities either without animals or with minimal use...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28053070/automated-microsampling-technologies-and-enhancements-in-the-3rs
#12
L David Hopper
Data collected in vivo is essential for advising decisions on drug screening and development and basic research, and animal models are used extensively for acquiring experimental measurements. Traditionally, collection of specimens has been invasive, stressful to animal subjects, labor intensive, time-consuming and costly, and required many animals when using small models with low fluid volumes, such as rats or mice. Utilizing automated microsampling (AMS) alone or in an integrative pharmacology approach to evaluate multiple physiological, pharmacokinetic, and pharmacodynamic endpoints simultaneously in the same animal accomplishes multiple experimental goals...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28049469/discontools-a-database-to-identify-research-gaps-on-vaccines-pharmaceuticals-and-diagnostics-for-the-control-of-infectious-diseases-of-animals
#13
Declan O'Brien, Jim Scudamore, Johannes Charlier, Morgane Delavergne
BACKGROUND: The public and private sector in the EU spend around €800 million per year on animal health and welfare related research. An objective process to identify critical gaps in knowledge and available control tools should aid the prioritisation of research in order to speed up the development of new or improved diagnostics, vaccines and pharmaceuticals and reduce the burden of animal diseases. METHOD: Here, we describe the construction of a database based on expert consultation for 52 infectious diseases of animals...
January 3, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28049430/spread-of-avian-pathogenic-escherichia-coli-st117-o78-h4-in-nordic-broiler-production
#14
Troels Ronco, Marc Stegger, Rikke Heidemann Olsen, Camilla Sekse, Anne Bang Nordstoga, Tarja Pohjanvirta, Berit Lilje, Ulrike Lyhs, Paal Skytt Andersen, Karl Pedersen
BACKGROUND: Escherichia coli infections known as colibacillosis constitute a considerable challenge to poultry farmers worldwide, in terms of decreased animal welfare and production economy. Colibacillosis is caused by avian pathogenic E. coli (APEC). APEC strains are extraintestinal pathogenic E. coli and have in general been characterized as being a genetically diverse population. In the Nordic countries, poultry farmers depend on import of Swedish broiler breeders which are part of a breeding pyramid...
January 3, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28046169/effect-of-shade-on-animal-welfare-growth-performance-and-carcass-characteristics-in-large-pens-of-beef-cattle-fed-a-beta-agonist-in-a-commercial-feedlot
#15
J A Hagenmaier, C D Reinhardt, S J Bartle, D U Thomson
Feedlot cattle ( = 1,395; BW = 568 ± 43 kg) were used to evaluate the effects of shade on animal welfare, growth performance, and carcass quality during the summer of 2013 in a Kansas commercial feedlot. Seven lots of predominately black steers and heifers (4 and 3, respectively) visually determined to be approaching the final mo on feed were identified, randomly gate-sorted, and allocated to pens located across the feed alley from each other to receive 1 of 2 treatments: 1) Shade (mean shade area = 1.5 m/ animal) or 2) No shade...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28046157/invited-review-farm-size-and-animal-welfare
#16
J A Robbins, M A G von Keyserlingk, D Fraser, D M Weary
Critics of agricultural intensification have argued that the transition from smaller to larger farms has compromised animal welfare. To critically examine evidence relevant to this claim, we reviewed more than 150 publications that examined the relationship between farm size and at least one animal welfare indicator. Although much of this literature focuses on dairy cattle, we also reference other farmed species where appropriate. We found little evidence of any simple relationship, negative or positive, between farm size and animal welfare...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28041723/muddy-conditions-reduce-hygiene-and-lying-time-in-dairy-cattle-and-increase-time-spent-on-concrete
#17
Jennifer M Chen, Carolyn L Stull, David N Ledgerwood, Cassandra B Tucker
Dairy cattle spend less time lying and show signs of increased stress when housed in rainy and windy conditions, but no work has separated the effects of exposure to inclement weather from muddy conditions underfoot. Our objective was to evaluate the effects of muddy conditions alone on lying behavior, hygiene, and physiological responses. We housed pairs of pregnant, nonlactating dairy cattle (n = 12; 6 primigravid heifers, 6 multiparous cows) in enclosed pens with dirt floors and a concrete feed apron. Cattle were exposed to 3 levels of soil moisture: 90 (dry), 74 (muddy), or 67% (very muddy) dry matter for 5 d each in a replicated 3 × 3 Latin square design...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28040454/towards-an-animal-model-of-callousness
#18
REVIEW
Julen Hernandez-Lallement, Marijn van Wingerden, Tobias Kalenscher
Callous-unemotional traits - the insensitivity to other's welfare and well-being - are characterized by a lack of empathy. They are characteristic of psychopathy and can be found in other anti-social disorders, such as conduct disorder. Because of the increasing prevalence of anti-social disorders and the rising societal costs of violence and aggression, it is of great importance to elucidate the psychological and physiological mechanisms underlying callousness in the search for pharmacological treatments. One promising avenue is to create a relevant animal model to explore the neural bases of callousness...
December 28, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28026910/participatory-policy-making-by-dairy-producers-to-reduce-anti-microbial-use-on-farms
#19
L van Dijk, A Hayton, D C J Main, A Booth, A King, D C Barrett, H J Buller, K K Reyher
Pressures for more responsible use of anti-microbial (AM) medicines in food animals are likely to increase from policymakers and the food industry, including retailers. To address this challenge, participatory approaches to welfare interventions and disease prevention may also be necessary alongside more conventional regulatory measures. This article describes the process of enabling groups of dairy producers to use a participatory policy making approach to develop an AM stewardship policy. The policy includes measures agreed to by all producers for more responsible use of AMs, whilst maintaining or improving dairy herd health and welfare...
December 27, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28025479/housing-of-cull-sows-in-the-hours-before-transport-to-the-abattoir-an-initial-description-of-sow-behaviour-while-waiting-in-a-transfer-vehicle
#20
Mette S Herskin, Katrine K Fogsgaard, Ditte Erichsen, Mia Bonnichsen, Charlotte Gaillard, Karen Thodberg
In modern pig production, sows are transported by road to abattoirs. For reasons of biosecurity, commercial trucks may have limited access to farms. According to Danish regulations, sows can be kept in stationary transfer vehicles away from the farm for up to two hours before being loaded onto the commercial truck. We aimed to describe the behaviour of sows in transfer vehicles. This preliminary, exploratory study included data from 11 loads from a total of six Danish sow herds. Selection of animals to be slaughtered was done by the farmers...
December 22, 2016: Animals: An Open Access Journal From MDPI
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