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https://www.readbyqxmd.com/read/28653603/effects-of-breeding-configuration-on-maternal-and-weanling-behavior-in-laboratory-mice
#1
Gillian C Braden, Skye Rasmussen, Sebastien Monette, Ravi J Tolwani
Although numerous studies have evaluated the effect of housing density on the wellbeing of laboratory mice, little isknown about the effect of breeding configuration on mouse behavior. The 8th edition of the Guide for the Care and Use ofLaboratory Animals lists the recommended minimal floor area per animal for a female mouse and her litter as 51 in.2 Wesought to determine the effects of pair, trio, and harem breeding configurations on the maternal and weanling behavior ofC57BL/6J (B6) and 129S6/SvEvTac (129) mice on the basis of nest scores and performance in pup retrieval tests, open-fieldtest (OFT), elevated plus maze, and tail suspension test; we concurrently evaluated cage microenvironment, reproductiveindices, and anatomic and clinical pathology...
June 26, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28653455/nocturnal-behavior-of-orphaned-asian-elephant-elephas-maximus-calves-in-sri-lanka
#2
Helena Stokes, Vijitha Perera, Nilmini Jayasena, Ayona Silva-Fletcher
Many animals exhibit circadian variation in behavior; thus, studying nocturnal behavior is important to fully understand species activity patterns. The nocturnal behavior of Asian elephants, and specifically calves, has received little previous study. We carried out observational study of the nocturnal behavior of orphaned Asian elephant calves at three age groups: "infant" (0-24 months), "young juvenile" (25-36 months) and "old juveniles" (over 36 months). Project aims were to build a nocturnal activity budget, to investigate key age differences, and whether calves exhibited synchronous behavior patterns...
June 27, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28650259/locomotor-effects-of-a-low-frequency-fire-alarm-on-c57bl-6-male-mice-a-preliminary-study
#3
Jessica M Povroznik, Robert E Faith, Matthew J Kessler, Frank N Ali, James Kosik, Stephen Prince, Elizabeth B Engler-Chiurazzi
Maintaining appropriate acoustic conditions for animal welfare and data collection are crucial in biomedical research facilities. Negative impacts of disruptive sound are known and can include auditory damage, immune function changes, and behavioral alterations. One type of disruptive sound occurring in research facilities is that of fire alarms. To ameliorate this problem, many facilities have incorporated the use of low-frequency fire alarms that emit tones outside the rodent audible range. The impact of these devices has been assumed to be negligible...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28649569/environmental-enrichment-for-broiler-breeders-an-undeveloped-field
#4
REVIEW
Anja B Riber, Ingrid C de Jong, Heleen A van de Weerd, Sanna Steenfeldt
Welfare problems, such as hunger, frustration, aggression, and abnormal sexual behavior, are commonly found in broiler breeder production. To prevent or reduce these welfare problems, it has been suggested to provide stimulating enriched environments. We review the effect of the different types of environmental enrichment for broiler breeders, which have been described in the scientific literature, on behavior and welfare. Environmental enrichment is defined as an improvement of the environment of captive animals, which increases the behavioral opportunities of the animal and leads to improvements in biological function...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28640200/animal-assisted-interventions-in-the-classroom-a-systematic-review
#5
REVIEW
Victoria L Brelsford, Kerstin Meints, Nancy R Gee, Karen Pfeffer
The inclusion of animals in educational practice is becoming increasingly popular, but it is unclear how solid the evidence for this type of intervention is. The aim of this systematic review is to scrutinise the empirical research literature relating to animal-assisted interventions conducted in educational settings. The review included 25 papers; 21 from peer-reviewed journals and 4 obtained using grey literature databases. Most studies reported significant benefits of animal-assisted interventions in the school setting...
June 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28638674/role-of-personality-in-behavioral-responses-to-new-environments-in-captive-asiatic-lions-panthera-leo-persica
#6
Giovanni Quintavalle Pastorino, Anna Viau, Giulio Curone, Paul Pearce-Kelly, Massimo Faustini, Daniele Vigo, Silvia Michela Mazzola, Richard Preziosi
Studying personality in captive animals may enable the development of individual-based management decisions, which may improve animal welfare. Asiatic lions at London Zoo represent an opportunity to research an understudied species' response to new environments since they have experienced social and physical changes, such as new enclosures and increased social interaction with humans. This project aimed to investigate the role of personality in behavioral responses to these changes. Lion personality questionnaires completed by keepers and direct focal animal observations were used to create personality profiles...
2017: Veterinary Medicine International
https://www.readbyqxmd.com/read/28633682/effect-of-space-allowance-and-floor-type-on-performance-welfare-and-physiological-measurements-of-finishing-beef-heifers
#7
M P Keane, M McGee, E G O'Riordan, A K Kelly, B Earley
Accommodating cattle indoors during the winter is widely practiced throughout Europe. There is currently no legislation surrounding the space allowance and floor type that should be provided to cattle during this time, however, concerns have been raised regarding the type of housing systems currently in use. The objective of the study was to investigate the effect of space allowance and floor type on performance and welfare of finishing beef heifers. Continental crossbred heifers (n=240: mean initial live; weight, 504 (SD 35...
June 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28630713/corneal-ulcerative-disease-in-dogs-under-primary-veterinary-care-in-england-epidemiology-and-clinical-management
#8
Dan G O'Neill, Monica M Lee, Dave C Brodbelt, David B Church, Rick F Sanchez
BACKGROUND: Corneal ulcerative disease (CUD) has the potential to adversely affect animal welfare by interfering with vision and causing pain. The study aimed to investigate for the first time the prevalence, breed-based risk factors and clinical management of CUD in the general population of dogs under primary veterinary care in England. RESULTS: Of 104,233 dogs attending 110 clinics participating within the VetCompass Programme from January 1(st) to December 31(st) 2013, there were 834 confirmed CUD cases (prevalence: 0...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28629177/exnotic-should-we-be-keeping-exotic-pets
#9
Rachel A Grant, V Tamara Montrose, Alison P Wills
There has been a recent trend towards keeping non-traditional companion animals, also known as exotic pets. These pets include parrots, reptiles, amphibians and rabbits, as well as small species of rodent such as degus and guinea pigs. Many of these exotic pet species are not domesticated, and often have special requirements in captivity, which many owners do not have the facilities or knowledge to provide. Keeping animals in settings to which they are poorly adapted is a threat to their welfare. Additionally, owner satisfaction with the animal may be poor due to a misalignment of expectations, which further impacts on welfare, as it may lead to repeated rehoming or neglect...
June 19, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28627067/a-by-product-of-swine-slaughtering-as-a-protein-source-in-broiler-diets-effects-on-performance-composition-of-excreta-litter-quality-and-on-foot-pad-health
#10
M Kölln, A Loi-Brügger, J Kamphues
Foot pad dermatitis (FPD) is of great concern in poultry industry, and dietary strategies are needed to improve foot pad health because of animal welfare and economic reasons. As the main factor for the development of FPD is the DM content of litter (consisting mainly of excreta; Kamphues et al., 2011), there are different dietary approaches to influence this disease pattern. In two consecutive trials, a total of 200 broilers were kept from day 7 until the 35th day of life. They were divided into four groups at each trial and fed with one of four experimental diets, based on wheat and corn mainly, but differing in the protein source: Group 1 was fed a diet with soya bean meal (SBM) as the main protein source, whereas Group 2, Group 3 and Group 4 were assigned to diets with 4, 8 and 12% of a protein-rich (66...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28627062/effects-of-a-carbohydrase-complex-added-in-different-inclusion-rates-in-feeds-for-broilers-on-growth-performance-digesta-viscosity-and-foot-pad-health
#11
M Kölln, H Weiß, J Hankel, J Kamphues
Foot pad dermatitis (FPD) is a widespread disease in poultry and important for economic and animal welfare reasons. It is well recognized that using non-starch polysaccharide (NSP)-degrading enzymes can affect excreta/litter quality (not only in terms of moisture content but also regarding water evaporation) at high stocking densities and might help to prevent FPD and further negative effects of NSP. This study aimed to evaluate effects of a carbohydrase complex (CC) in different dietary inclusion rates on performance, digesta viscosity and foot pad health in broilers from 9 to 37 days of life...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28627010/a-turtle-cognition-research-demonstration-enhances-visitor-engagement-and-keeper-animal-relationships
#12
Andrew C Alba, Katherine A Leighty, Victoria L Pittman Courte, Alison P Grand, Tamara L Bettinger
Environmental enrichment techniques present animals with cognitive challenges while providing them opportunities to make choices and exert control over their environment. In this way, cognitive research and training is enriching to animals and can be used as a form of enrichment in zoos and aquariums. Cognitive research demonstrations also provide an opportunity to enhance visitor experience, as well as foster interactions between animals and keepers. We investigated how cognitive research sessions involving eastern box turtles (Terrapene carolina carolina) at Disney's Animal Kingdom(®) impacted both the rate of visitors coming to the exhibit and the amount of time they spent engaged...
June 18, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28625548/effect-of-a-change-in-housing-conditions-on-body-weight-behavior-and-brain-neurotransmitters-in-male-c57bl-6j-mice
#13
Noemi Pasquarelli, Patrizia Voehringer, Julia Henke, Boris Ferger
The development of modern housing regimes such as individually ventilated cage (IVC) systems has become very popular and attractive in order to reduce spreading of pathogenic organisms and to lower the risk to develop a laboratory animal allergy for staff members. Additionally, optimal housing of laboratory animals contributes to improve animal health status and ensures high and comparable experimental and animal welfare standards. However, it has not been clearly elucidated whether 1) a change to IVC systems have an impact on various physiological phenotypic parameters of mice when compared to conventional, standard cages and 2) if this is further affected by changing from social to single housing...
June 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28624926/limited-awareness-of-animal-influenza-prevention-and-control-among-dai-lue-smallholder-farmers-in-southwest-china
#14
Xiang Zhao, Gareth Davey
Awareness of animal influenza and its prevention and control is important for ensuring livestock health, production and welfare. In China, a country stereotyped as a major source of emerging zoonotic infectious diseases, research on the public understanding of animal influenza is limited to the Han, the main ethnic group. The present qualitative study in Southwest China investigated awareness of animal influenza among the Dai, an ethnic minority. The participants (15 men and 10 women, ages 18-83) were smallholder farmers of pigs and poultry in rural areas of Jinghong, Xishuangbanna, Yunnan Province...
June 17, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28621255/behavioral-characteristics-of-adult-zebrafish-danio-rerio-after-ms222-anesthesia-for-fin-excision
#15
Mélissa Cm De Lombaert, Elizabeth L Rick, Lisa A Krugner-Higby, Marc A Wolman
The health of laboratory animals is an ethical responsibility of researchers and a critical determinant of experimentaloutcome. Therefore, all husbandry procedures should be evaluated for their effects on mortality, behavior, and physiologyto maximize animal welfare and minimize experimental variability. For adult zebrafish, the excision of a small portion ofthe caudal fin (that is, 'fin clipping') under MS222 anesthesia is a common procedure to obtain tissue for genotyping. Thepotential effect of this procedure on behavioral and physiologic assays of feeding, anxiety, and stress has not previously beenassessed...
June 15, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28620831/cephalopod-biology-and-care-a-cost-fa1301-cephsinaction-training-school-anaesthesia-and-scientific-procedures
#16
Vanessa M Lopes, Eduardo Sampaio, Katina Roumbedakis, Nobuaki K Tanaka, Lucía Carulla, Guillermo Gambús, Theodosia Woo, Catarina P P Martins, Virginie Penicaud, Colette Gibbings, Jessica Eberle, Perla Tedesco, Isabel Fernández, Tania Rodríguez-González, Pamela Imperadore, Giovanna Ponte, Graziano Fiorito
Cephalopods are the sole invertebrates included in the list of regulated species following the Directive 2010/63/EU. According to the Directive, achieving competence through adequate training is a requisite for people having a role in the different functions (article 23) as such carrying out procedures on animals, designing procedures and projects, taking care of animals, killing animals. Cephalopod Biology and Care Training Program is specifically designed to comply with the requirements of the "working document on the development of a common education and training framework to fulfil the requirements under the Directive 2010/63/EU"...
September 2017: Invertebrate Neuroscience: IN
https://www.readbyqxmd.com/read/28612402/coenzyme-b12-synthesis-as-a-baseline-to-study-metabolite-contribution-of-animal-microbiota
#17
Antoine Danchin, Sherazade Braham
Microbial communities thrive in a number of environments. Exploration of their microbiomes - their global genome - may reveal metabolic features that contribute to the development and welfare of their hosts, or chemical cleansing of environments. Yet we often lack final demonstration of their causal role in features of interest. The reason is that we do not have proper baselines that we could use to monitor how microbiota cope with key metabolites in the hosting environment. Here, focusing on animal gut microbiota, we describe the fate of cobalamins - metabolites of the B12 coenzyme family - that are essential for animals but synthesized only by prokaryotes...
July 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28609353/laboratory-animal-bite-anaphylaxis-a-national-survey-part-2-treatment-protocols
#18
Gregg M Stave, Edward H Lee, Dennis J Darcey
OBJECTIVE: This study documents current treatment protocols for laboratory animal bite anaphylaxis in the United States. METHODS: An online survey was e-mailed to designated institutional officials at laboratory animal facilities identified by the National Institutes of Health Office of Laboratory Animal Welfare. RESULTS: One hundred eighty-nine organizations responded to the question of whether they had a treatment protocol with 32% indicating that they had a protocol...
June 12, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28606009/a-novel-method-of-suspending-sheep-for-clinical-research
#19
Chris Christou, William R Walsh
The slinging of sheep is a commonly reported, yet poorly described procedure, which is useful for the advancement of veterinary and medical preclinical research. We have described a novel, flexible and repeatable method of suspending sheep to varying degrees while not affecting mobility and thereby improving animal husbandry and welfare.
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28605969/control-of-hymenolepis-nana-infection-as-a-measure-to-improve-mouse-colony-welfare
#20
Alenka Dovč, Gordana Gregurić Gračner, Iztok Tomažič, Ksenija Vlahović, Marina Pavlak, Renata Lindtner Knific, Klemen Kralj, Mateja Stvarnik, Aleksandra Vergles Rataj
After cannibalism had appeared in the reproductive units of a white mouse colony, treatment against confirmed Hymenolepis nana, a tapeworm with zoonotic potential, was performed on 67 mice in the reproductive and nursery units. Faecal droppings were evaluated by flotation and sedimentation methods. The sedimentation method revealed a higher number of positive results before, during and after the treatment, but the flotation method yielded some additional positive cases. In the reproductive unit, H. nana eggs were confirmed in 50% of the tested mice by the flotation and in 70% by the sedimentation method...
June 2017: Acta Veterinaria Hungarica
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