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American Pit Bull Terrier

K R Olson, J K Levy, B Norby, M M Crandall, J E Broadhurst, S Jacks, R C Barton, M S Zimmerman
Shelter staff and veterinarians routinely make subjective dog breed identification based on appearance, but their accuracy regarding pit bull-type breeds is unknown. The purpose of this study was to measure agreement among shelter staff in assigning pit bull-type breed designations to shelter dogs and to compare breed assignments with DNA breed signatures. In this prospective cross-sectional study, four staff members at each of four different shelters recorded their suspected breed(s) for 30 dogs; there was a total of 16 breed assessors and 120 dogs...
November 2015: Veterinary Journal
Ana Carolina Veiga Rodarte-Almeida, Simon Petersen-Jones, Ingeborg M Langohr, Laurence Occelli, Peterson T Dornbusch, Naoye Shiokawa, Fabiano Montiani-Ferreira
OBJECTIVE: The purpose of this study was to investigate the inheritance and phenotype of retinal dysplasia (RD) in the American pit bull terrier. ANIMALS STUDIED: A breeding colony established from a single female pure-bred American pit bull terrier dog with RD. PROCEDURES: A female pure-bred American pit bull terrier with RD was donated to the Veterinary Hospital of Federal University of Paraná, Curitiba, Brazil. A breeding colony was established and the phenotype and inheritance of the condition investigated...
January 2016: Veterinary Ophthalmology
Orly Goldstein, Jason G Mezey, Peter A Schweitzer, Adam R Boyko, Chuan Gao, Carlos D Bustamante, Julie Ann Jordan, Gustavo D Aguirre, Gregory M Acland
PURPOSE: To identify the causative mutations in two early-onset canine retinal degenerations, crd1 and crd2, segregating in the American Staffordshire terrier and the Pit Bull Terrier breeds, respectively. METHODS: Retinal morphology of crd1- and crd2-affected dogs was evaluated by light microscopy. DNA was extracted from affected and related unaffected controls. Association analysis was undertaken using the Illumina Canine SNP array and PLINK (crd1 study), or the Affymetrix Version 2 Canine array, the "MAGIC" genotype algorithm, and Fisher's Exact test for association (crd2 study)...
October 2013: Investigative Ophthalmology & Visual Science
Mirela Imre, Róbert Farkas, Marius Stelian Ilie, Kálmán Imre, Gheorghe Dărăbuş
Blood samples from 49 symptomatic dogs from 5 western and north-western counties of Romania were screened using microscopic examination, polymerase-chain-reaction-restriction-fragment-length-polymorphism procedure (PCR-RFLP), and sequence analysis. Results of the microscopic evaluation of stained blood smears revealed 45 positive samples with the presence of large and small intraerythrocytic piroplasms in 35 and 10 samples, respectively. Babesia canis (35/49, 71.4%) and Babesia gibsoni (14/49, 28.6%) were identified and differentiated by PCR-RFLP targeting the 18S rRNA gene...
December 2013: Ticks and Tick-borne Diseases
L N Shinkarenko, O G Guliakova, V A Malienko, S D Mel'nichuk, V G Spiridonov
The level of gene polymorphism of 10 microsatellite loci in 27 American Pit Bull Terrier dogs which have a high value of the percentage of blood and inbreeding coefficient achieved 43.8% was studied. The excess of heterozigosity over expected for this level of inbreeding coefficient was established. Suggestion that the high level of heterozigosity is the result of the selection against homozygotes was made.
July 2010: T︠S︡itologii︠a︡ i Genetika
M Trotta, E Carli, G Novari, T Furlanello, L Solano-Gallego
A 4-year-old intact female American Pit Bull Terrier from Italy descendant of an American-born bitch was evaluated for anorexia, lethargy, weakness, and intermittent vomiting. On physical examination, the dog was dehydrated, had pale mucous membranes, hunched posture and abdominal pain. A moderate anemia was observed. Splenomegaly and hyperechoic regions suspected as infarcts in the spleen were seen on abdominal ultrasound. Based on the suspicion of splenic torsion, splenectomy was performed. After surgery, the clinical condition deteriorated...
November 12, 2009: Veterinary Parasitology
Do-Hyeon Yu, Ying-Hua Li, Ji-Seon Yoon, Jong-Hyeon Lee, Mi-Jin Lee, Il-Jeoung Yu, Joon-Seok Chae, Jin-Ho Park
Ehrlichia chaffeensis is one of the causative agents of canine ehrlichiosis and human monocytic ehrlichiosis (HME). Canine ehrlichiosis caused by E. chaffeensis was diagnosed in two dogs in South Korea based on clinical findings, and the diagnosis was confirmed by polymerase chain reaction (PCR) and DNA sequencing. A 5-year-old intact male American Pit bull terrier allowed outdoors was found to be concurrently infected with Babesia gibsoni and E. chaffeensis. The major clinical findings were lethargy and reddish urine, and laboratory analysis revealed severe hematuria and thrombocytopenia...
June 2008: Vector Borne and Zoonotic Diseases
R Jefferies, U M Ryan, J Jardine, D K Broughton, I D Robertson, P J Irwin
This study reports on the epidemiology of Babesia gibsoni in American Pit Bull Terriers living in a region of western Victoria in southern Australia. Both American Pit Bull Terriers (n = 100) and other dog breeds (n = 51) were screened for B gibsoni using immunofluorescent antibody testing (IFAT) and/or polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP). A questionnaire was also completed by each dog owner, ascertaining the husbandry and habits of the dogs sampled. Fourteen dogs were positive for B gibsoni using IFAT and/or PCR-RFLP and all were American Pit Bull Terriers...
November 2007: Australian Veterinary Journal
K Hartelt, T Rieker, R M Oehme, S O Brockmann, W Müller, N Dorn
Canine babesiosis in Europe is generally caused by Babesia canis canis and Babesia canis rossi. Here we describe the first two autochthonous cases of Babesia gibsoni (Asian genotype) infection in Germany. Two American pit bull terriers showed clinical and hematologic signs consistent with babesiosis. Polymerase chain reaction (PCR) analysis of the 18S rDNA of blood samples revealed 486 bp fragments. The sequences were 100% identical to each other and 100% identical to Babesia gibsoni (Asian genotype). These results represent the first genetic evidence of Babesia gibsoni (Asian genotype) parasites in dogs in Western Europe...
2007: Vector Borne and Zoonotic Diseases
Adam J Birkenheuer, Maria T Correa, Michael G Levy, Edward B Breitschwerdt
OBJECTIVE: To identify the geographic distribution of babesiosis among dogs in the United States and determine, for dogs other than American Pit Bull Terriers (APBTs), whether infection was associated with a recent dog bite. DESIGN: Retrospective study. ANIMALS: 150 dogs. PROCEDURE: Canine blood samples submitted to the North Carolina State University Vector-Borne Disease Diagnostic Laboratory between May 2000 and October 2003 for which results of a Babesia-specific polymerase chain reaction assay were positive were identified, and breed and geographic origin of dogs from which samples were obtained were recorded...
September 15, 2005: Journal of the American Veterinary Medical Association
Takako Miyama, Yoshimi Sakata, Yojiro Shimada, Shoji Ogino, Malaika Watanabe, Kazuhito Itamoto, Masaru Okuda, Rodolfo A Verdida, Xuenan Xuan, Hideyuki Nagasawa, Hisashi Inokuma
To determine the distribution of Babesia gibsoni infection in dogs in the eastern part of Japan, an epidemiological survey of dogs suspected of having B. gibsoni infection was attempted using the polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA). Thirty-five of 115 such dogs (30.4%) were positive by PCR and/or ELISA. The 35 positive dogs consisted of 28 Tosa dogs, 4 American Pit Bull Terriers, and 3 mongrel dogs in Aomori, Fukushima, Ibaraki, Gunma, Chiba, Tokyo, Kanagawa, and Nagano Prefectures...
May 2005: Journal of Veterinary Medical Science
S Sisó, C Navarro, D Hanzlícek, M Vandevelde
Late onset of hereditary cerebellar cortical abiotrophy has been described in a large variety of canine breeds. In some reported conditions, the cerebellar lesion is combined with degeneration of other systems. Here we describe a new hereditary cerebellar cortical degeneration in eight adult American Staffordshire and Pit Bull Terriers. The neuronal degeneration in these animals not only affects Purkinje cells of the cerebellum but also certain thalamic nuclei. In addition, nerve cell loss appears to be associated with a lysosomal storage disease, which is restricted to the affected cell populations...
November 2004: Acta Neuropathologica
Zaher A Radi, Eloise L Styer, Ken S Frazier
Canine babesiosis is a tick-borne parasitic disease caused by the intraerythrocytic parasites, Babesia canis and Babesia gibsoni. A lethargic, weak, American Staffordshire Terrier (pit bull) dog, which had regenerative, normocytic, normochromic anemia, was shown by polymerase chain reaction analysis to be infected with B. gibsoni. Transmission electron microscopy of ethylenediamine tetraacetic acid-treated blood disclosed many well-preserved, intraerythrocytic babesia trophozoites. Four morphologic forms of babesia trophozoites are described (small spheres, small rods, irregular forms lacking pseudoinclusions, and large spheres having pseudoinclusions) and are compared with intraerythrocytic forms of B...
May 2004: Journal of Veterinary Diagnostic Investigation
Adam J Birkenheuer, Michael G Levy, Martha Stebbins, Matthew Poore, Edward Breitschwerdt
Stray dogs (n=359) and kennel dogs (n=149) from North Carolina were tested for evidence of antiBabesia antibodies. AntiBabesia antibodies were detected in 21/359 and 22/149 of the stray and kennel dogs, respectively. A total of 57 dogs from both groups were tested for babesiasis by light microscopy and polymerase chain reaction (PCR). Babesia deoxyribonucleic acid (DNA) was detected in 3/28 of the stray dogs and 14/29 of the kennel dogs. When Babesia DNA was detected by PCR, the species-specific PCR results differed from the Babesia species antibody titer results in 6/17 of the PCR-positive dogs...
November 2003: Journal of the American Animal Hospital Association
Julie R Stegeman, Adam J Birkenheuer, John M Kruger, Edward B Breitschwerdt
A 2.5-year-old spayed female German Shepherd Dog was referred for evaluation of progressive anemia, lethargy, and weight loss. Seventeen days earlier, the dog had received a whole blood transfusion to manage hemorrhage after ovariohysterectomy. Mild fever, splenomegaly, and thrombocytopenia were also identified. Von Willebrand disease and Babesia gibsoni infection were diagnosed. Because of the serologic cross-reactivity of B gibsoni and B canis in the immunofluorescent antibody assay for IgG antibodies against these organisms, polymerase chain reaction amplification of parasite DNA was required to identify the infecting Babesia sp...
April 1, 2003: Journal of the American Veterinary Medical Association
C J Muhlnickel, R Jefferies, U M Morgan-Ryan, P J Irwin
Small intraerythrocytic parasites were observed in the blood of three related male American Pit Bull Terriers. Two of the dogs, both less than 1-year-old, were anaemic at the time of initial examination and the third, an adult and sire of the two younger dogs, had a normal haemogram and low parasitaemia. The morphological appearance of the erythrocyte inclusions, analysis of a 450-bp region of the 18S rRNA gene and antibody titres provided evidence that this parasite was Babesia gibsoni, a species not previously reported in Australia...
October 2002: Australian Veterinary Journal
Douglass K Macintire, Mary K Boudreaux, Gretchen D West, Candace Bourne, James C Wright, Patricia A Conrad
OBJECTIVE: To identify subclinical Babesia gibsoni infection in American Pit Bull Terriers from the southeastern United States and to determine the genetic sequence of parasite DNA isolated from these dogs. DESIGN: Case series. ANIMALS: 33 American Pit Bull Terriers and 87 dogs of various other breeds. PROCEDURE: Blood smears were examined for microscopic evidence of the parasite, and DNA was extracted from blood samples and used in a polymerase chain reaction (PCR) assay designed to amplify the small subunit ribosomal RNA gene sequence of B...
February 1, 2002: Journal of the American Veterinary Medical Association
R S Hess, P H Kass, C R Ward
OBJECTIVE: To determine which dog breeds are at low and high risk for developing diabetes mellitus (DM). DESIGN: Cohort study. ANIMALS: Hospital population of 221 dogs with DM and 42,882 dogs without DM during 5.5 years. PROCEDURE: 165 breeds (including a mixed-breed category) were represented in the hospital population. Breed-specific expected numbers of dogs with DM were calculated by multiplying the proportion of all dogs admitted to the hospital that were determined to have DM during the study period by the breed-specific totals during the study period...
May 1, 2000: Journal of the American Veterinary Medical Association
J Reuhl, H Bratzke, D U Feddersen-Petersen, F U Lutz, M Willnat
Two cases of fatal dog-bite incidents caused by males of the "American Staffordshire terrier" breed currently known as "fighting dogs" are reported. Both happened in elderly women, one of them handicapped. Reconstruction of the accidents revealed some peculiar characteristics of these dogs, namely the ability to attack undesirably and forcefully as well as the enormous grip of their jaws. Considerable public attention has been drawn to some breeds which seem to predominate in dog-bite statistics and are summarized as "pit bulls"...
November 1998: Archiv Für Kriminologie
D M Houston, C S Ribble, L L Head
OBJECTIVE: To determine breed, sex, and seasonal predisposition for development of canine parvovirus (CPV) enteritis in dogs. DESIGN: Retrospective case-control study. SAMPLE POPULATION: Medical records from 283 dogs with confirmed CPV enteritis and from 834 age-matched control dogs that were healthy or had been admitted with nonenteric illness. PROCEDURE: Effects of season, breed, sex, and neutering on the risk of developing CPV enteritis were examined by calculation of unadjusted odds ratios and performance of multivariate analysis...
February 15, 1996: Journal of the American Veterinary Medical Association
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