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https://www.readbyqxmd.com/read/28942372/restoration-of-fresh-cat-ovarian-tissue-function-by-autografting-to-subcutaneous-tissue-a-pilot-study
#1
Ellen C R Leonel, Janice M V Vilela, Raísa E G Paiva, José L P R Jivago, Rodrigo S Amaral, Carolina M Lucci
Ovarian tissue transplantation could be a valuable technique for the preservation of endangered animals. The domestic cat affords an adequate experimental model for studies aimed at wild felids due to its phylogenetic similarity. Thus, this pilot study evaluated the efficacy of cat ovarian tissue autotransplantation to a peripheral site. Three adult queens were submitted to ovariohysterectomy. The ovaries were fragmented into eight pieces; two were fixed as a control and six were transplanted to subcutaneous tissue of the dorsal neck...
September 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28942048/the-cockroach-periplaneta-americana-as-a-potential-paratenic-host-of-the-lungworm-aelurostrongylus-abstrusus
#2
Luigi Falsone, Vito Colella, Ettore Napoli, Emanuele Brianti, Domenico Otranto
INTRODUCTION: Aelurostrongylus abstrusus is a well-known nematode affecting the respiratory system of felids worldwide. Snails and slugs act as intermediate hosts of this parasite, whereas rodents, birds and reptiles may serve as paratenic hosts. Periplaneta americana, the American brown cockroach, shares the same habitat and ecological features (e.g. nocturnal activity) with both snails and cats. The aim of this study was to evaluate the capability of P. americana to maintain alive A...
September 20, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28925790/morphological-variation-of-the-caudal-fossa-of-domestic-cat-skulls-assessed-with-computed-tomography-and-geometric-morphometrics-analysis
#3
Caroline R Gordon, Thomas W Marchant, Joanna Lodzinska, Jeffery J Schoenebeck, Tobias Schwarz
Objectives This study aimed to investigate differences and demonstrate a normal range of morphological variation of the caudal fossa of the cranium of domestic cats. Methods CT scans of 32 domestic cat heads of 11 breeds were included. Isosurfaces from skulls were characterised through three-dimensional geometric morphometrics using geographical landmarks placed on the internal surface of the caudal fossa and foramen magnum. Raw data was transformed with a Procrustes fit and coordinate covariance was analysed by principal components to establish breed- and sex-level differences...
September 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28915995/detection-and-molecular-characterization-of-feline-hemoplasmas-in-wild-felid-species-in-iran-in-the-middle-east
#4
Fereshteh Ghazisaeedi, Nahid Atyabi, Taghi Zahraei Salehi, Saeid Tabatabaei, Iraj Ashrafi Tamai, Iman Memarian, Séverine Tasker
Three feline hemoplasma species exist in felids: Mycoplasma haemofelis, 'Candidatus Mycoplasma haemominutum', and 'Candidatus Mycoplasma turicensis'. The aims of the study were to determine the presence of, and molecularly characterize, any hemoplasmas in wild felids, including the endangered Persian leopard in Iran, the Middle East. Blood samples were collected from 19 wild felids, including three Persian leopards. Using species-specific hemoplasma PCRs and ELISA serological testing for feline leukaemia virus and feline immunodeficiency virus (FIV), two Persian leopards were found to be infected with 'Ca...
October 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28880947/comparing-hair-morphology-and-molecular-methods-to-identify-fecal-samples-from-neotropical-felids
#5
Carlos C Alberts, Bruno H Saranholi, Fernando Frei, Pedro M Galetti
To avoid certain problems encountered with more-traditional and invasive methods in behavioral-ecology studies of mammalian predators, such as felids, molecular approaches have been employed to identify feces found in the field. However, this method requires a complete molecular biology laboratory, and usually also requires very fresh fecal samples to avoid DNA degradation. Both conditions are normally absent in the field. To address these difficulties, identification based on morphological characters (length, color, banding, scales and medullar patterns) of hairs found in feces could be employed as an alternative...
2017: PloS One
https://www.readbyqxmd.com/read/28879089/pathology-clinical-signs-and-tissue-distribution-of-toxoplasma-gondii-in-experimentally-infected-reindeer-rangifer-tarandus
#6
Émilie Bouchard, Rajnish Sharma, Nicholas Bachand, Alvin A Gajadhar, Emily J Jenkins
Toxoplasma gondii is a zoonotic parasite found in vertebrates worldwide for which felids serve as definitive hosts. Despite low densities of felids in northern Canada, Inuit people in some regions show unexpectedly high levels of exposure, possibly through handling and consumption of Arctic wildlife. Free-ranging caribou (Rangifer tarandus) are widely harvested for food across the Canadian North, show evidence of seroexposure to T. gondii, and are currently declining in numbers throughout the Arctic. We experimentally infected three captive reindeer (conspecific with caribou) with 1000, 5000 or 10,000 oocysts of T...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28842189/daily-rhythmicity-of-behavior-of-nine-species-of-south-american-feral-felids-in-captivity
#7
Sciabarrasi Bagilet Antonio, Raúl Delmar Cerutti, María Cristina Scaglione, Giuseppe Piccione, Roberto Refinetti
The authors analyzed the daily activity rhythms of the domestic cat and of eight of the ten feral felid species that are indigenous to South America. All species showed daily rhythmicity of activity in captivity under a natural light-dark cycle. The robustness of the rhythmicity varied from species to species, but the grand mean of 34% was within the range of robustness previously described for mammalian species ranging in size from mice to cattle. There was not a sharp division between diurnal and nocturnal felids...
August 24, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28831633/characterization-of-major-histocompatibility-complex-class-i-and-class-ii-drb-loci-of-captive-and-wild-indian-leopards-panthera-pardus-fusca
#8
Drashti R Parmar, Siuli Mitra, Snehalata Bhadouriya, Tirupathi Rao, Vaishnavi Kunteepuram, Ajay Gaur
The major histocompatibility complex (MHC), in vertebrate animals, is a multi-genic protein complex that encodes various receptors. During a disease, MHC interacts with the antigen and triggers a cascade of adaptive immune responses to overcome a disease outbreak. The MHC is very important region from immunological point of view, but it is poorly characterized among Indian leopards. During this investigation, we examined genetic diversity for MHC class I (MHC-I) and MHC class II-DRB (MHC-II) among wild and captive Indian leopards...
August 22, 2017: Genetica
https://www.readbyqxmd.com/read/28828280/energetics-and-evasion-dynamics-of-large-predators-and-prey-pumas-vs-hounds
#9
Caleb M Bryce, Christopher C Wilmers, Terrie M Williams
Quantification of fine-scale movement, performance, and energetics of hunting by large carnivores is critical for understanding the physiological underpinnings of trophic interactions. This is particularly challenging for wide-ranging terrestrial canid and felid predators, which can each affect ecosystem structure through distinct hunting modes. To compare free-ranging pursuit and escape performance from group-hunting and solitary predators in unprecedented detail, we calibrated and deployed accelerometer-GPS collars during predator-prey chase sequences using packs of hound dogs (Canis lupus familiaris, 26 kg, n = 4-5 per chase) pursuing simultaneously instrumented solitary pumas (Puma concolor, 60 kg, n = 2)...
2017: PeerJ
https://www.readbyqxmd.com/read/28807274/isolation-of-viable-toxoplasma-gondii-molecular-characterization-and-seroprevalence-in-elk-cervus-canadensis-in-pennsylvania-usa
#10
J P Dubey, J Brown, S K Verma, C K Cerqueira-Cézar, J Banfield, O C H Kwok, Y Ying, F H A Murata, A K Pradhan, C Su
Toxoplasmosis is a worldwide zoonosis. The ingestion of uncooked/undercooked meat and consumption of water contaminated with Toxoplasma gondii oocysts excreted by felids are the main modes of transmission of this parasite. T. gondii has been reported in multiple cervid species; however, little is known of the parasite in North American elk (Cervus canadensis). In the present study, antibodies to T. gondii were detected in serum of wild elk from Pennsylvania collected during 2013-2016 by the modified agglutination test (MAT, cut-off 1:25); 221 of 317 (69...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28791002/antibody-detection-isolation-genotyping-and-virulence-of-toxoplasma-gondii-in-captive-felids-from-china
#11
Yu-Rong Yang, Yong-Jie Feng, Yao-Yao Lu, Hui Dong, Tong-Yi Li, Yi-Bao Jiang, Xing-Quan Zhu, Long-Xian Zhang
The felids are the only definitive hosts of Toxoplasma gondii, which could excrete oocysts into the environment and provide an infection source for toxoplasmosis in various warm-blooded animal species, particularly the captive felids that live close to human communities. The infection rate of the captive felids is a perfect standard in detecting the presence of Toxoplasma gondii oocysts in the environment. In this study, sera or tissue samples from zoo (1 young tiger, 2 adult tigers, 6 young lions), farm (10 masked palm civets), and pet hospital (28 cats) from Henan Province (China) were collected...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28766738/major-shifts-in-amazon-wildlife-populations-from-recent-climatic-intensification
#12
Richard Bodmer, Pedro Mayor, Miguel Antunez, Kimberlyn Chota, Tula Fang, Pablo Puertas, Marlini Pittet, Maire Kirkland, Mike Walkey, Claudia Rios, Pedro Perez-Peña, Peter Henderson, William Bodmer, Andy Bicerra, Joseph Zegarra, Emma Docherty
In the western Amazon basin, recent intensification of river level cycles has increased flooding during the wet seasons and decreased precipitation during the dry season. Greater than normal floods occurred in 2009 and in all years from 2011-2015 during high water seasons, and a drought occurred during the 2010 low water season. During these years, we surveyed populations of terrestrial, arboreal and aquatic wildlife in a seasonally flooded Amazonian forest to study the consequences of intensification of climatic fluctuations to wildlife populations and in turn resource use by traditional people...
August 2, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28765810/the-diversity-and-impact-of-hookworm-infections-in-wildlife
#13
REVIEW
Mauricio Seguel, Nicole Gottdenker
Hookworms are blood-feeding nematodes that parasitize the alimentary system of mammals. Despite their high pathogenic potential, little is known about their diversity and impact in wildlife populations. We conducted a systematic review of the literature on hookworm infections of wildlife and analyzed 218 studies qualitative and quantitatively. At least 68 hookworm species have been described in 9 orders, 24 families, and 111 species of wild mammals. Black bears, red foxes, and bobcats harbored the highest diversity of hookworm species and Ancylostoma pluridentatum, A...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28749304/investigation-of-enrofloxacin-associated-retinal-toxicity-in-nondomestic-felids
#14
Kim M Newkirk, L Kathryn Beard, Xiaocun Sun, Edward C Ramsay
Enrofloxacin is known to cause retinal toxicity in domestic cats. The hallmark lesion of enrofloxacin-associated retinal toxicity in domestic cats is thinning of the outer nuclear layer of the retina. Enrofloxacin is commonly used to treat bacterial infections in nondomestic felids because of its action against a wide spectrum of bacteria and the ability for it to be given orally. No previous studies have investigated the potential retinal toxicity of enrofloxacin in nondomestic felids. This retrospective study evaluated 81 eyes from 14 lions ( Panthera leo ) and 33 tigers ( Panthera tigris ) that had been enucleated or collected postmortem...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28749292/molecular-detection-of-infectious-pathogens-of-the-upper-respiratory-tract-in-captive-nondomestic-felids
#15
Valéria M Lara, Julia C Benassi, Shayne P Bisetto, Trícia M de Oliveira, Helena L Ferreira, João P Araújo Júnior, Adriano B Carregaro
Upper respiratory tract disease is a complex infectious disease process with multiple pathogens involved. Identification of infectious agents in wild animals is of great importance for wildlife conservation. The aim of this study was to evaluate the molecular detection of feline herpesvirus type 1, feline calicivirus (FCV), Bordetella bronchiseptica , Chlamydophila felis , and Mycoplasma felis using ocular and nasal swabs in three species of captive nondomestic felids. Mycoplasma felis was detected in two ocular samples of Puma concolor and in one nasal sample of one Panthera onca ...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28748783/detection-of-echinococcus-multilocularis-and-other-foodborne-parasites-in-fox-cat-and-dog-faeces-collected-in-kitchen-gardens-in-a-highly-endemic-area-for-alveolar-echinococcosis
#16
Marie-Lazarine Poulle, Matthieu Bastien, Yolan Richard, Émilie Josse-Dupuis, Dominique Aubert, Isabelle Villena, Jenny Knapp
Echinococcus multilocularis, Toxoplasma gondii and Toxocara spp. are foodborne parasites whose eggs or oocysts are spread in the environment via canid or felid faeces. They can cause infections in humans following the raw consumption of contaminated fruit or vegetables. In this study, their occurrence was investigated by quantitative polymerase chain reaction (qPCR) in 254 carnivore faeces deposited in 94 kitchen gardens of northeastern France that were sampled between two and six times from October 2011 to April 2013...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28732460/novel-efficient-genome-wide-snp-panels-for-the-conservation-of-the-highly-endangered-iberian-lynx
#17
Daniel Kleinman-Ruiz, Begoña Martínez-Cruz, Laura Soriano, Maria Lucena-Perez, Fernando Cruz, Beatriz Villanueva, Jesús Fernández, José A Godoy
BACKGROUND: The Iberian lynx (Lynx pardinus) has been acknowledged as the most endangered felid species in the world. An intense contraction and fragmentation during the twentieth century left less than 100 individuals split in two isolated and genetically eroded populations by 2002. Genetic monitoring and management so far have been based on 36 STRs, but their limited variability and the more complex situation of current populations demand more efficient molecular markers. The recent characterization of the Iberian lynx genome identified more than 1...
July 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28732033/spatial-and-simultaneous-representative-seroprevalence-of-anti-toxoplasma-gondii-antibodies-in-owners-and-their-domiciled-dogs-in-a-major-city-of-southern-brazil
#18
Aline do Nascimento Benitez, Felippe Danyel Cardoso Martins, Marcelle Mareze, Nelson Jessé Rodrigues Santos, Fernanda Pinto Ferreira, Camila Marinelli Martins, João Luis Garcia, Regina Mitsuka-Breganó, Roberta Lemos Freire, Alexander Welker Biondo, Italmar Teodorico Navarro
Toxoplasmosis, caused by Toxoplasma gondii, has traditionally been considered an important water and foodborne protozoonosis with important public health considerations. Although felids play a well-established role as definitive hosts, canine epidemiological involvement in the parasite's life cycle remains questionable and controversial. The increasing closeness of the human-dog bond, particularly seen in urban settings, has been recognized as a historically unprecedented worldwide movement. Sharing daily lives in the same households, dogs may be exposed to similar associated risks of T...
2017: PloS One
https://www.readbyqxmd.com/read/28708492/development-and-proliferation-of-feline-endometrial-glands-from-fetal-life-to-ovarian-cyclicity
#19
Mariana Lopez Merlo, Marcela Faya, Marcelo Priotto, Claudio Barbeito, Cristina Gobello
In this study it was determined the progression of uterine gland development from late gestation to puberty in domestic felids. Cell proliferation patterns for luminal (LE), glandular epithelium (GE) as well as stroma (S) were also described. Twenty-four uteri from female kittens: 45 and 65 days of gestation and 1 to 5, 8, 12, 16, 20 and 24 weeks postnatally were obtained. Uterine cross-sections were submitted for routine histological and immunohistochemical quantification of proliferating cell nuclear antigen (PCNA) techniques...
June 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28698045/active-and-passive-responses-to-catnip-nepeta-cataria-are-affected-by-age-sex-and-early-gonadectomy-in-male-and-female-cats
#20
Luz Teresa Espín-Iturbe, Bernardo A López Yañez, Apolo Carrasco García, Rodolfo Canseco-Sedano, Maribel Vázquez-Hernández, Genaro A Coria-Avila
Catnip (Nepeta cataria) is a popular plant among cat owners because in about 60% of felids elicits active behaviors such as rolling over, grooming, motor activity and vocalizations. Herein, we assessed the display of active but also passive responses, such as time in sphinx-like position, and consequently hypothesized that 100% of cats respond to catnip. Accordingly, sixty domestic cats of different age (infant, juvenile, adults), sex (males, females) and gonadal status (early gonadectomized, gonadally intact) were placed in a cylindrical chamber (1...
September 2017: Behavioural Processes
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