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Hideo Tajima, Madoka Yoshizawa, Shinichi Sasaki, Fujio Yamamoto, Etsuo Narushima, Toshihiko Tsutsui, Takashi Funahashi, Satoshi Kusuda, Osamu Doi, Yuriko Tateyama, Masanori Kobayashi, Tatsuya Hori, Eiichi Kawakami
Equine and human chorionic gonadotropins were administered to two female Amur leopard cats to induce estrus and ovulation during non-breeding season. Fresh semen collected from male cats was surgically inseminated into the uterine horn of the females. In one animal, two fetal sacs without heartbeats were observed on abdominal ultrasonography 31 days after insemination, which indicated that embryo death had occurred. In the other animal, fetal heartbeats were detected in two fetal sacs 29 days after insemination, which confirmed as pregnancy...
October 13, 2016: Journal of Veterinary Medical Science
Paolo E Crisi, Giovanni Aste, Donato Traversa, Angela Di Cesare, Elettra Febo, Massimo Vignoli, Domenico Santori, Alessia Luciani, Andrea Boari
OBJECTIVES: The aim of this study was to retrospectively describe clinical, radiographic and therapeutic features of feline lungworm infection. METHODS: Medical records of cats with lungworm diagnosis, thoracic radiography and without concurrent diseases between 2013 and 2015 were reviewed. Collection of data included physical examination, haematology, serum biochemistry, therapy with a variety of anthelmintics and outcomes. RESULTS: Thirty-seven records were recovered and 26 were included in the study...
September 30, 2016: Journal of Feline Medicine and Surgery
Katariina Vapalahti, Anna-Maija Virtala, Tara A Joensuu, Katriina Tiira, Jaana Tähtinen, Hannes Lohi
A comprehensive feline health survey was conducted to reveal breed-specific inheritable diseases in Finnish pedigree cats for genetic research. Prevalence of 19 disease categories and 227 feline diseases were defined in a study population of 8175 cats belonging to 30 breeds. Dental and oral diseases, with a prevalence of 28%, and dental calculus and gingivitis (21 and 8%, respectively) were the most prevalent disease category and diseases among all cats and in most of the breeds. An exception was Korats, which were more often affected by the diseases of the respiratory tract (23%) and asthma (19%)...
2016: Frontiers in Veterinary Science
A J Shapiro, J M Norris, K L Bosward, J Heller
A Q fever outbreak in a small animal veterinary hospital, associated with a cat caesarean section, initiated a cat seroprevalence study (n = 712) that found circulating antibodies to Coxiella burnetii was highest in cattery-confined breeding cats (9.3%). These findings stimulated interest about potential sources of C. burnetii infection for cats and humans associated with cats. Cat breeders are potentially a group at increased risk of C. burnetii infection, and this study sought to identify potential risk factors...
September 13, 2016: Zoonoses and Public Health
Yutaka Momota, Junya Yasuda, Mitsutaka Ikezawa, Jun Sasaki, Masaaki Katayama, Kenji Tani, Masahiro Miyabe, Eri Onozawa, Daigo Azakami, Katsumi Ishioka, Toshinori Sako
Proliferative and necrotising otitis externa (PNOE) is a very rare disease affecting the ear canals and concave pinnae of kittens. This report describes a 5-month-old cat with PNOE. Histopathological examination confirmed the diagnosis. Treatment was initiated with local injection of methylprednisolone acetate into the lesions. The cat was subsequently treated with clobetasol propionate cream, a potent topical glucocorticoid ointment. The cat showed marked improvement. While topical treatment with tacrolimus, an immunosuppressive agent, is reported to be an effective therapy, to the best of our knowledge, this is the first report to treat PNOE with local corticosteroid therapy...
August 28, 2016: Journal of Veterinary Medical Science
R R Braga, A C Teixeira, J A A Oliveira, L P G Cavalcanti
The objective of this paper was to investigate prevalence and parasite load of the trematode Platynosomum fastosum infection and the risk of developing cholangitis/cholangiohepatitis among infected domestic cats in a city of northeastern Brazil, and to characterize the influence of fluke burden in the formation of lesions in liver and gallbladder. A total of 141 cats was necropsied and examined for the presence of P. fastosum. The observed prevalence was 42.6% (60/141, 95% CI=34.2-50.9). Parasite load varied from 1 to 219 flukes per animal...
August 30, 2016: Veterinary Parasitology
Thalita M Valverde, Elisandra G Castro, Maíssa H S Cardoso, Paulo A Martins-Júnior, Lívia M O Souza, Patrícia P Silva, Luiz O Ladeira, Gregory T Kitten
AIMS: This study characterized a three-dimensional (3D) biocomposite scaffolds produced using type I collagen, mineral trioxide aggregate (MTA) and multi-walled carbon nanotubes (MWCNT) to be used in bone tissue regeneration. MAIN METHODS: The scaffolds were analyzed via scanning (SEM) and transmission (TEM) electron microscopy, as well as the viability and migration of osteoblasts and mineralization of the scaffolds. KEY FINDINGS: SEM and TEM analyses showed that MTA and MWCNT were distributed as both large agglomerates entrapped within the collagen network and as smaller accumulations or individual molecules dispersed throughout the scaffold...
October 1, 2016: Life Sciences
Wiebke S Konerding, Elke Zimmermann, Eva Bleich, Hans-Jürgen Hedrich, Marina Scheumann
BACKGROUND: The infant cry is the most important communicative tool to elicit adaptive parental behaviour. Sex-specific adaptation, linked to parental investment, may have evolutionary shaped the responsiveness to changes in the voice of the infant cries. The emotional content of infant cries may trigger distinctive responsiveness either based on their general arousing properties, being part of a general affect encoding rule, or based on affective perception, linked to parental investment, differing between species...
2016: BMC Evolutionary Biology
Anita Ducs, Andrea Kazi, Ágnes Bilkó, Vilmos Altbäcker
Many species of invasive plants are spreading out rapidly in Europe. The common milkweed occupies increasingly more area. Being poisonous, most animals will not graze on it however rabbits would be an effective organism for the biological control of milkweed. Rabbit kittens can learn the maternal diet in various ways. They prefer aromatic foods which their mother had eaten during pregnancy or lactation period, -even if it is poisonous- but they can also learn the maternal diet from the fecal pellets deposited by the mother into the nest during the nursing events...
September 2016: Behavioural Processes
Stacie C Summers, Rebecca Ruch-Gallie, Jennifer R Hawley, Michael R Lappin
OBJECTIVES: The objective was to investigate the effect of one dose of an inactivated feline herpesvirus-1 (FHV-1), feline calicivirus (FCV) and panleukopenia virus (FPV) vaccine (FVRCP) or one dose of a modified live (ML) FVRCP vaccine on clinical signs and shedding of FHV-1 in specific pathogen-free kittens after challenge with FHV-1 7 days after vaccination. METHODS: Twenty-four FHV-1 seronegative 5-month-old kittens were randomized into three groups of eight kittens...
July 18, 2016: Journal of Feline Medicine and Surgery
Laurence M Occelli, Nicholas M Tran, Kristina Narfström, Shiming Chen, Simon M Petersen-Jones
PURPOSE: Mutations in the retinal transcription factor cone-rod homeobox (CRX) gene result in severe dominant retinopathies. A large animal model, the Rdy cat, carrying a spontaneous frameshift mutation in Crx, was reported previously. The present study aimed to further understand pathogenesis in this model by thoroughly characterizing the Rdy retina. METHODS: Structural and functional changes were found in a comparison between the retinas of CrxRdy/+ kittens and those of wild-type littermates and were determined at various ages by fundus examination, electroretinography (ERG), optical coherence tomography, and histologic analyses...
July 1, 2016: Investigative Ophthalmology & Visual Science
Jessica R Crawshaw, Stuart B Hooper, Arjan B Te Pas, Beth A Allison, Megan J Wallace, Lauren Kerr, Robert A Lewis, Colin J Morley, Andrew F Leong, Marcus John Kitchen
Antenatal glucocorticoids, exogenous surfactant and positive end-expiratory pressure (PEEP) ventilation are commonly provided to preterm infants to enhance respiratory function after birth. It is unclear how these treatments interact to improve the transition to air-breathing at birth. We investigated the relative contribution of antenatal betamethasone, prophylactic surfactant and PEEP (3 cmH2O) on functional residual capacity (FRC) and dynamic lung compliance (CDL) in preterm (28d GA) rabbit kittens at birth...
July 8, 2016: Journal of Applied Physiology
G A Ramírez, L Ressel, J Altimira, M Vilafranca
A 3-month-old, male European shorthair kitten exhibited an ill-defined, soft mass on the skin of the frontal head, which was present since birth. The surgically resected tissue was representative of a discrete dermal and subcutaneous mass comprising islands of neurons, glial and meningothelial elements, sometimes atypical or dysplastic, separated by dense collagenous connective tissue. There was no evident connection between this tissue and the brain. Immunohistochemical examination confirmed the presence of neurons and a pleocellular glial population, supporting a diagnosis of cutaneous neuroglial choristoma believed to be secondary to sequestered (resolved) meningoencephalocoele...
July 2016: Journal of Comparative Pathology
Lucía Demaldé, Mariana Lopez Merlo, Rosario Vercellini, Claudio G Barbeito, Patricia Fernandez, Cristina Gobello
To test the hypothesis that in domestic cats, postnatal androgens induce sterility, the aims of this study were to describe the reproductive effects and the clinical safety of a postnatal administration of a long term release androgen in this species. Thirteen newborn littermate female kittens were randomly assigned to one of the following treatment groups within the first 24h of birth: testosterone enanthate 12.5mg sc (TE; n=8) or Placebo (PL; n=5). The animals were subsequently assessed for fecal sexual hormones until puberty was attained and subsequently when matings occurred...
August 2016: Animal Reproduction Science
Irlan A Freires, Alejandro Avilés-Reyes, Todd Kitten, P J Simpson-Haidaris, Michael Swartz, Peter A Knight, Pedro L Rosalen, José A Lemos, Jacqueline Abranches
In S. mutans, the expression of the surface glycoprotein Cnm mediates binding to extracellular matrix proteins, endothelial cell invasion and virulence in the Galleria mellonella invertebrate model. To further characterize Cnm as a virulence factor, the cnm gene from S. mutans strain OMZ175 was expressed in the non-pathogenic Lactococcus lactis NZ9800 using a nisin-inducible system. Despite the absence of the machinery necessary for Cnm glycosylation, Western blot and immunofluorescence microscopy analyses demonstrated that Cnm was effectively expressed and translocated to the cell wall of L...
June 3, 2016: Virulence
Donald C Aduba, Seon-Sook An, Gretchen S Selders, Juan Wang, W Andrew Yeudall, Gary L Bowlin, Todd Kitten, Hu Yang
Arabinoxylan ferulate (AXF) foams were fabricated via enzymatic peroxidase/hydrogen peroxide crosslinking reaction followed by freeze-drying and studied as a potential wound dressing material. The AXF foam's rheological, morphological, porous, and swelling properties were examined. AXF foams were found to be a viscoelastic material that proved to be highly porous and water absorbent. AXF foams possessed low endotoxin levels and were cytocompatible with fibroblasts. Silver was successfully integrated into AXF foams and slowly released over 48 h...
October 2016: Journal of Biomedical Materials Research. Part A
Michael W Dryden, Vicki Smith, Wendell L Davis, Terry Settje, Joe Hostetler
BACKGROUND: This controlled laboratory study was designed to evaluate the efficacy of the 10 % imidacloprid/4.5 % flumethrin collar (Seresto®, Bayer Animal Health) against fleas (Ctenocephalides f. felis) on cats, when compared to fipronil (9.8 %w/w)/(s)-methoprene (11.8 % w/w) topical spot-on formulation (Frontline® Plus for Cats and Kittens, Merial). METHODS: Thirty cats were randomized into three groups of ten animals based on pre-treatment flea counts: Group 1: imidacloprid/flumethrin collar; Group 2: fipronil/(s)-methoprene topical spot-on and Group 3: non-treated controls...
2016: Parasites & Vectors
Reuven Rasooly, Paula Do, Bradley Hernlem
Staphylococcus aureus is a major bacterial cause of clinical infections and foodborne illnesses through its production of a group of enterotoxins (SEs) which cause gastroenteritis and also function as superantigens to massively activate T cells. In the present study, we tested Staphylococcal enterotoxin type E (SEE), which was detected in 17 of the 38 suspected staphylococcal food poisoning incidents in a British study and was the causative agent in outbreaks in France, UK and USA. The current method for detection of enterotoxin activity is an in vivo monkey or kitten bioassay; however, this expensive procedure has low sensitivity and poor reproducibility, requires many animals, is impractical to test on a large number of samples, and raises ethical concerns with regard to the use of experimental animals...
2016: Toxins
Robyn Hudson, Heiko G Rödel, Marise Trejo Elizalde, Lourdes Arteaga, Gerard A Kennedy, Bradley P Smith
Surprisingly little information is available about the behavior of newborn mammals in the functionally vital context of suckling. We have previously reported notable differences in the pattern of nipple use by kittens of the domestic cat and puppies of the domestic dog. Whereas kittens rapidly develop a "teat order," with each individual using principally 1 or 2 particular nipples, puppies show no such pattern. We asked whether the more "chaotic" behavior seen in puppies of the domestic dog (Canis familiaris) could be the result of relaxed selection due to domestication...
August 2016: Journal of Comparative Psychology
Taylor Rising, Nicholas Fulton, Pauravi Vasavada
Bartonella henselae is a bacterium which can cause a wide range of clinical manifestations, ranging from fever of unknown origin to a potentially fatal endocarditis. We report a case of Bartonella henselae infection in a pediatric-aged patient following a scratch from a kitten. The patient initially presented with a prolonged fever of unknown origin which was unresponsive to antibiotic treatment. The patient was hospitalized with worsening fevers and night sweat. Subsequent ultrasound imaging demonstrated multiple hypoechoic foci within the spleen...
2016: Case Reports in Radiology
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