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Journal of the American Association for Laboratory Animal Science: JAALAS

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https://www.readbyqxmd.com/read/28256188/effects-of-human-management-events-on-conspecific-aggression-in-captive-rhesus-macaques-macaca-mulatta
#1
Jacob H Theil Brianne A Beisner Ashley E Hill And Brenda McCowan
Conspecific aggression in outdoor-housed rhesus macaques (Macaca mulatta) at primate research facilities is a leadingsource of trauma and can potentially influence animal wellbeing and research quality. Although aggression between macaquesis a normal part of daily social interactions, human presence might affect the frequency of various behaviors and instigateincreases in conspecific aggression. We sought to determine how and which human management events affect conspecificaggression both immediately after an event and throughout the course of a day...
March 2, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28256186/comparison-of-saliva-collection-methods-for-the-determination-of-salivary-cortisol-levels-in-rhesus-macaques-macaca-mulatta-cynomolgus-macaques-macaca-fascicularis-and-african-green-monkeys-chlorocebus-aethiops
#2
Kamala J Rapp-Santos Louis A Altamura Sarah L Norris Luis A Lugo-Roman Pedro J Rico And Christian C Hofer
The ability to quickly and accurately determine cortisol as a biomarker for stress is a valuable tool in assessing thewellbeing of NHP. In this study, 2 methods of collecting saliva (a commercial collection device and passive drool) and the resulting free salivary cortisol levels were compared with total serum cortisol concentration in rhesus macaques (Macaca mulatta),cynomolgus macaques (Macaca fascicularis) and African green monkeys (Chlorocebus aethiops) at 2 collection time points.Serum and salivary cortisol levels were determined using a competitive quantitative ELISA...
March 2, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28233507/effect-of-home-cage-bedding-in-the-induction-chamber-on-serum-cortisol-and-corticosterone-levels-in-response-to-isoflurane-induced-anesthesia-in-c57bl-6j-mice
#3
Cara P Reiter Amanda C Christy Cara H Olsen And David E Bentzel
Mice are routinely anesthetized with isoflurane in an induction chamber. The AVMA Guidelines for the Euthanasia of Animalsstates that distress should be minimized during euthanasia but does not address this point in regard to induction ofanesthesia. Here we evaluated the potential for familiar surroundings to reduce the adrenocortical response of mice duringanesthesia induction with isoflurane. However, adding bedding from the animals' home cage to the induction chamber failedto significantly reduce serum cortisol or corticosterone levels in male and female C57BL/6J mice...
February 23, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28229809/pharmacokinetic-profiles-of-meloxicam-and-sustained-release-buprenorphine-in-prairie-dogs-cynomys-ludovicianus
#4
Cynthia Cary, Nicole Lukovsky-Akhsanov, Nadia Gallardo-Romero, Cassandra Tansey, Sharon Ostergaard, Willie Taylor, Clint Morgan, Nathaniel Powell, George Lathrop, Christina Hutson
In this study, we evaluated the pharmacokinetic profiles of meloxicam and sustained-release (SR) buprenorphine in prairiedogs. The 4 treatment groups were: low-dose meloxicam (0.2 mg/kg SC), high-dose meloxicam (4 mg/kg SC), low-dosebuprenorphine SR (0.9 mg/kg SC), and high-dose buprenorphine SR (1.2 mg/kg SC). The highest plasma concentrationsoccurred within 4 h of administration for both meloxicam treatment groups. The therapeutic range of meloxicam in prairiedogs is currently unknown. However, as compared with the therapeutic range documented in other species (0...
February 22, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28211314/procedure-for-horizontal-transfer-of-patient-derived-xenograft-tumors-to-eliminate-corynebacterium-bovis
#5
Christopher A Manuel Stacey M Bagby Julie A Reisinger Umarani Pugazhenthi Todd M Pitts Stephen B Keysar John J Arcaroli And Jori K Leszczynski
Human patient-derived xenograft (PDX) tumors, propagated in immunodeficient mice, are rapidly growing in use as amodelfor cancer research. Horizontal transfer between mice, without in vitro cell culture, allows these tumors to retainmany of their unique characteristics from their individual patient of origin. However, the immunodeficient mouse strainsused to grow these tumors are susceptible to numerous opportunistic pathogens, including Corynebacterium bovis. At ourinstitution, 2 in vivo tumor banks of PDX tumors had been maintained within nude mouse colonies enzootically infectedwith C...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28211313/detection-and-elimination-of-corynebacterium-bovis-from-barrier-rooms-by-using-an-environmental-sampling-surveillance-program
#6
Christopher A Manuel Umarani Pugazhenthi Shannon P Spiegel And Jori K Leszczynski
Rodent health-monitoring programs based on sampling an IVC system's exhaust air dust (EAD) has enhanced and evenreplaced traditional sentinels for some rodent pathogens. EAD testing by qPCR assay is an optimal surveillance methodfor the rapid detection of Corynebacterium bovis-infected immunodeficient mice. Here we demonstrate that an active EADsurveillance program for C. bovis can be used to maintain nude mice C. bovis-free after the transition from historically enzootically infected colonies. During 3 events over 3 y, rapid detection of infection, elimination of infected mice, aggressivequarantine measures, and local decontamination prevented the spread of C...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28211310/morphologic-and-doppler-findings-from-hepatic-ultrasonography-of-normal-cynomolgus-monkeys-macaca-fascicularis
#7
Kyo Won Lee Chan Woo Cho Ji Eun Lee Hyojun Park Gyu-Seong Choi Woo Kyoung Jeong Jae Berm Park And Sungjoo Kim
The present study evaluated the anatomic and ultrasonographic features of the liver in normal cynomolgus monkeys (Macacafascicularis). Healthy, male, cynomolgus monkeys from Cambodia (n = 25; mean age, 58.1 mo) were sedated with ketamine (7mg/kg) and examined by using 2D and Doppler ultrasonography. We measured the diameters of the vascular structures and bile duct, determined the velocities of the hepatic artery and portal vein, and calculated the resistance index of the hepatic artery. Vessel diameters were: proper hepatic artery, 1...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28195033/techniques-for-nonterminal-blood-sampling-in-black-tailed-prairie-dogs-cynomys-ludovicianus
#8
Valerie Head David Eshar And Melissa R Nau
Black-tailed prairie dogs (Cynomys ludovicianus) are used as an animal model for research on gallbladder stones and several infectious diseases. A comprehensive, instructive resource regarding the appropriate techniques for venipuncture and collection of nonterminal blood samples in this species has not yet been published. Blood samples (1 mL or larger) were readily obtained from the jugular vein, femoral vein, or cranial vena cava, whereas peripheral sites, such as the cephalic vein, saphenous vein, and tarsal vein, mainly were useful for obtaining smaller volumes...
February 13, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28188706/comparison-of-atipamezole-with-yohimbine-for-antagonism-of-xylazine-in-mice-anesthetized-with-ketamine-and-xylazine
#9
Christopher F Janssen Pauline Maiello M Jerry Wright Jr Kara B Kracinovsky And Joseph T Newsome
The α2 adrenergic agonist xylazine produces a sedative effect and is typically combined with ketamine and used for anesthesia or chemical restraint of laboratory mice. Xylazine's sedative effect-and its undesirable side effects of bradycardia, hypotension, and poor tissue perfusion-can be reversed by administration of α2 antagonists, such as atipamezole or yohimbine. Although atipamezole and yohimbine dosing guidelines are available for mice, no controlled comparison has been performed to guide the lab animal community in the selection of one over the other...
February 10, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28185613/development-of-quantitative-real-time-pcr-assays-for-postmortem-detection-of-mycobacterium-spp-common-in-zebrafish-danio-rerio-research-colonies
#10
Danielle M Meritet Donna M Mulrooney Michael L Kent And Christiane V Löhr
Mycobacterium spp. infections are common in zebrafish kept in research facilities. These comorbidities can substantiallymodulate the responses of these fish to external and internal stimuli. Therefore, diagnostic tests to detect Mycobacterium spp.infections in zebrafish colonies prove essential. Here, we outline the development of quantitative simplex real-time PCRassays to detect the 3 Mycobacterium species most commonly identified in laboratory zebrafish. The assays targeted the heatshock protein 65 gene of M...
February 9, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28185611/retrospective-analysis-of-reproductive-performance-of-pair-bred-compared-with-trio-bred-mice
#11
Katherine Wasson
Federal guidelines provide recommendations regarding the minimum of floor space that should be allotted for breedinglaboratory rodents. Mouse mating systems used by a variety of institutions frequently deviate from these recommendations.Regulatory agencies suggest that deviations from established guidelines should be assessed on an institutional basis andrecommend periodic review by the local IACUC. Mouse breeding data, collected in a laboratory animal management softwareprogram at a single institution, were retrospectively analyzed to determine the effects of 2 breeding schemes on reproductiveperformance...
February 9, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28155805/effects-of-buprenorphine-methylnaltrexone-and-their-combination-on-gastrointestinal-transit-in-healthy-new-zealand-white-rabbits
#12
Manuel Martin-Flores Bhupinder Singh Courtney A Walsh Elizabeth P Brooks Laci C Taylor And Lisa M Mitchell
Among the many analgesic agents available, buprenorphine appears to be the analgesic used most often in rabbits. Unfortunately,deleterious side effects of opioids, such as gastrointestinal stasis and anorexia, may discourage the use of these agents.Methylnaltrexone is a peripheral opioid antagonist that ameliorates opioid-induced gastrointestinal stasis in others species yet preserves the analgesic effects of buprenorphine. We evaluated whether methylnaltrexone reversed buprenorphine-inducedgastrointestinal stasis in 8 healthy male New Zealand White rabbits...
February 2, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28074740/what-goes-around-can-come-around-an-unexpected-deleterious-effect-of-using-mouse-running-wheels-for-environmental-enrichment
#13
Renee Y
Environmental enrichment items such as running wheels can promote the wellbeing of laboratory mice. Growing evidencesuggests that wheel running simulates exercise effects in many mouse models of human conditions, but this activityalso might change other aspects of mouse behavior. In this case study, we show that the presence of running wheels leadsto pronounced and permanent circling behavior with route-tracing in a proportion of the male mice of a genetically distinctcohort. The genetic background of this cohort includes a mutation in Arhgap19, but genetic crosses showed that an unknownsecond-site mutation likely caused the induced circling behavior...
January 10, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315654/abstracts-of-scientific-papers-2016-association-of-primate-veterinarians-workshop
#14
(no author information available yet)
No abstract text is available yet for this article.
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315653/techniques-for-nonterminal-blood-sampling-in-black-tailed-prairie-dogs-cynomys-ludovicianus
#15
Valerie Head, David Eshar, Melissa R Nau
Black-tailed prairie dogs (Cynomys ludovicianus) are used as an animal model for research on gallbladder stones and several infectious diseases. A comprehensive, instructive resource regarding the appropriate techniques for venipuncture and collection of nonterminal blood samples in this species has not yet been published. Blood samples (1 mL or larger) were readily obtained from the jugular vein, femoral vein, or cranial vena cava, whereas peripheral sites, such as the cephalic vein, saphenous vein, and tarsal vein, mainly were useful for obtaining smaller volumes...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315652/detection-and-elimination-of-corynebacterium-bovis-from-barrier-rooms-by-using-an-environmental-sampling-surveillance-program
#16
Christopher A Manuel, Umarani Pugazhenthi, Shannon P Spiegel, Jori K Leszczynski
Rodent health-monitoring programs based on sampling an IVC system's exhaust air dust (EAD) has enhanced and even replaced traditional sentinels for some rodent pathogens. EAD testing by qPCR assay is an optimal surveillance method for the rapid detection of Corynebacterium bovis-infected immunodeficient mice. Here we demonstrate that an active EAD surveillance program for C. bovis can be used to maintain nude mice C. bovis-free after the transition from historically enzootically infected colonies. During 3 events over 3 y, rapid detection of infection, elimination of infected mice, aggressive quarantine measures, and local decontamination prevented the spread of C...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315651/what-goes-around-can-come-around-an-unexpected-deleterious-effect-of-using-mouse-running-wheels-for-environmental-enrichment
#17
Renee Y M Leduc, Gail Rauw, Glen B Baker, Heather E McDermid
Environmental enrichment items such as running wheels can promote the wellbeing of laboratory mice. Growing evidence suggests that wheel running simulates exercise effects in many mouse models of human conditions, but this activity also might change other aspects of mouse behavior. In this case study, we show that the presence of running wheels leads to pronounced and permanent circling behavior with route-tracing in a proportion of the male mice of a genetically distinct cohort. The genetic background of this cohort includes a mutation in Arhgap19, but genetic crosses showed that an unknown second-site mutation likely caused the induced circling behavior...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315650/retrospective-analysis-of-reproductive-performance-of-pair-bred-compared-with-trio-bred-mice
#18
Katherine Wasson
Federal guidelines provide recommendations regarding the minimum of floor space that should be allotted for breeding laboratory rodents. Mouse mating systems used by a variety of institutions frequently deviate from these recommendations. Regulatory agencies suggest that deviations from established guidelines should be assessed on an institutional basis and recommend periodic review by the local IACUC. Mouse breeding data, collected in a laboratory animal management software program at a single institution, were retrospectively analyzed to determine the effects of 2 breeding schemes on reproductive performance...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315649/comparison-of-saliva-collection-methods-for-the-determination-of-salivary-cortisol-levels-in-rhesus-macaques-macaca-mulatta-cynomolgus-macaques-macaca-fascicularis-and-african-green-monkeys-chlorocebus-aethiops
#19
Kamala J Rapp-Santos, Louis A Altamura, Sarah L Norris, Luis A Lugo-Roman, Pedro J Rico, Christian C Hofer
The ability to quickly and accurately determine cortisol as a biomarker for stress is a valuable tool in assessing the wellbeing of NHP. In this study, 2 methods of collecting saliva (a commercial collection device and passive drool) and the resulting free salivary cortisol levels were compared with total serum cortisol concentration in rhesus macaques (Macaca mulatta), cynomolgus macaques (Macaca fascicularis) and African green monkeys (Chlorocebus aethiops) at 2 collection time points. Serum and salivary cortisol levels were determined using a competitive quantitative ELISA...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28315648/morphologic-and-doppler-findings-from-hepatic-ultrasonography-of-normal-cynomolgus-monkeys-macaca-fascicularis
#20
Kyo Won Lee, Chan Woo Cho, Ji Eun Lee, Hyojun Park, Gyu-Seong Choi, Woo Kyoung Jeong, Jae Berm Park, Sungjoo Kim
The present study evaluated the anatomic and ultrasonographic features of the liver in normal cynomolgus monkeys (Macaca fascicularis). Healthy, male, cynomolgus monkeys from Cambodia (n = 25; mean age, 58.1 mo) were sedated with ketamine (7 mg/kg) and examined by using 2D and Doppler ultrasonography. We measured the diameters of the vascular structures and bile duct, determined the velocities of the hepatic artery and portal vein, and calculated the resistance index of the hepatic artery. Vessel diameters were: proper hepatic artery, 1...
March 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
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