Is aided phytostabilization a suitable technique for the remediation of tailings?     

Silvia Martínez‐Martínez  Raul Zornoza  María Gabarrn  Melisa Gmez‐Garrido  Rosa M. Rosales  María A. Muoz  María D. Gmez‐Lpez  Jos M. Soriano‐Disla  Angel Faz  Jose A. Acosta 《European Journal of Soil Science》2019,70(4):862-875

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Muscular and collagenous cerebellar choristoma in a dog     

Angel Ripplinger  Stella Maris Pereira de Melo  Dênis Antonio Ferrarin  Marcelo Luís Schwab  Mathias Reginatto Wrzesinski  Júlia da Silva Rauber  Mariana Martins Flores  Glaucia Denise Kommers  Alexandre Mazzanti 《Journal of veterinary science (Suw?n-si, Korea)》2022,23(2)

This report aims to describe the first case of muscular and collagenous choristoma in a dog. A 10-yr-old female mixed-breed dog presented with lateral recumbence, vocalization, positional vertical nystagmus, divergent strabismus, anisocoria, and status epilepticus. The clinical condition evolved to stupor and ultimately, death. Necropsy revealed a white mass causing an irregular increase in the volume of the cerebellar vermis. In histological analysis, a well circumscribed, unencapsulated mass was observed in the cerebellum, consisting of fibers of striated skeletal muscle and collagen fibers, mostly mineralized. Based on the histopathological and histochemical findings, a diagnosis of muscular and collagenous cerebellar choristoma was made.  相似文献   

Stunting syndrome in turkeys. Development of an experimental model     

C R Angel  J L Sell  D W Trampel 《Avian diseases》1990,34(2):447-453

Experiments were conducted to establish a stunting syndrome (SS) model to facilitate research on nutritional aspects of enteric disorders of poults. One-day-old turkeys were dosed per os with tryptose phosphate broth (TPB) (controls) or inoculum (inoculated). The inoculum was prepared by homogenizing intestines from 11-day-old commercial poults diagnosed to have SS in TPB (1:0.5 [wt:wt]). Subsequently, intestines from 8-day-old inoculated poults from the previous experiment were used. Inoculation reduced growth (P less than 0.001) and feed consumption (P less than 0.001) at 8 and 14 days of age. In Expts. 1, 2, and 3, gain of inoculated poults was 60.9%, 58.8%, and 52.6% that of controls up to 8 days of age and 77.9%, 76.6%, and 80.9% that of controls from 8 to 15 days of age, respectively. Feed conversion was impaired (P less than 0.001) up to 8 days of age. The activity of maltase and sucrase in the jejunum and of pancreatic enzymes was determined every 2 days up to 13 days of age. Inoculation decreased (P less than 0.001) maltase and sucrase starting at 3 days of age (i.e., maltase activity was 17.45 and 1.70 mumols maltose hydrolyzed/hr.mg protein in control and inoculated poults, respectively). Inoculation had no effect on pancreatic lipase, amylase, or trypsin.  相似文献   

Metastatic thymic lymphosarcoma in a calf     

K L Angel  J Stott  J W Tyler  A H Groth 《Journal of the American Veterinary Medical Association》1991,198(10):1771-1773

Metastatic thymic lymphosarcoma was diagnosed in a 16-month-old mixed-breed heifer with a history of progressive weight loss. Physical examination revealed cachexia, pale mucous membranes, large peripheral lymph nodes, and a 15 X 40-cm mass in the ventral portion of the neck, extending cranially from the thoracic inlet. Neoplastic lymphocytes were identified in aspirates of pleural effusion and bone marrow. Histologic examination of necropsy specimens substantiated metastatic dispersal of the tumor into lymphoid tissue, liver, intestine, heart, and kidney. This case differs from other reported cases of thymic lymphosarcoma because of the involvement of organs other than the thymus and lymph nodes. Analytical flow cytometry was performed on mononuclear leukocytes obtained from blood by use of density gradient centrifugation. The majority of cells (65%) appeared to be of an immature, poorly differentiated phenotype, on the basis of the small numbers of cells stained with monoclonal antibodies specific for the following cell surface markers: 8% BoCD2 (IL-A26; sheep erythrocyte receptor on T-lymphocytes); less than 10% B-lymphocytes as determined by expression of MHC class II proteins and surface immunoglobulin; 12% monocytes (IL-A24); and 5% null cells (IL-A29). Although the leukemic cell population did not express traditional surface markers for T-lymphocytes, we hypothesize that the leukemic cell population represents an early stage of T-cell maturation that has failed to differentiate and express characteristic cell surface antigens.  相似文献   

Do eosinophils have a role in the severity of Babesia annae infection?     

Camacho AT 《Veterinary parasitology》2005,134(3-4):281-282

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First isolation and molecular characterization of Ehrlichia canis in Spain     

Aguirre E  Sainz A  Dunner S  Amusategui I  López L  Rodríguez-Franco F  Luaces I  Cortés O  Tesouro MA 《Veterinary parasitology》2004,125(3-4):365-372

This paper reports the first isolation and culture of Ehrlichia canis in Spain from a naturally infected dog using the DH82 cell line. After DNA extraction and PCR amplification, a nearly complete (1412bp) sequence of the 16S rRNA gene of the new E. canis strain was obtained. The GenBank accession number for the nucleotide sequence of this strain is AY394465. This sequence was aligned with the 16S rRNA gene sequences of other Ehrlichia strains accessible in GenBank. The 16S rRNA gene sequence of the E. canis strain reported here showed a high percentage of similarity with the 16S rRNA gene sequence of E. canis from different geographic areas including Japan, Venezuela and Israel. These data confirm the presence of E. canis in Spain.  相似文献   

Serum gastrin in canine chronic lymphocytic-plasmacytic enteritis     

García-Sancho M  Rodríguez-Franco F  Sainz A  Rodríguez A  Silván G  Illera JC 《The Canadian veterinary journal. La revue veterinaire canadienne》2005,46(7):630-634

This study evaluates serum gastrin concentrations in dogs with chronic lymphocytic-plasmacytic enteritis, as well as its possible relationship with the severity of lesions present in the stomach. To achieve this aim, 5 dogs without gastrointestinal disease and 15 dogs with chronic lymphocytic-plasmacytic enteritis were included. Serum gastrin concentrations were significantly increased in dogs with chronic lymphocytic-plasmacytic enteritis compared with those in dogs without gastrointestinal disease. Also, there was a positive correlation between the severity of the gastric lesion and the serum gastrin concentration. Our findings indicate the possibility that gastrin plays a role in the etiology of an accompanying chronic antral gastritis in canine chronic lymphocytic-plasmacytic enteritis.  相似文献   

Pharmacokinetics and residues of a new oral amoxicillin formulation in piglets: a preliminary study     

Hernandez E  Rey R  Puig M  Garcia MA  Solans C  Bregante MA 《Veterinary journal (London, England : 1997)》2005,170(2):237-242

The pharmacokinetics of amoxicillin (Amx) were determined in pigs following intravenous (IV) administration of a single dose of 15 mg/kg and a single dose of 15 mg/kg of a new oral formulation (Amx-FP containing 10% amoxicillin). Residue studies were performed to determine residues in edible tissues of healthy pigs after chronic oral administration of Amx-FP at a daily dose of 15 mg/kg for five consecutive days. After IV administration, the plasma concentration was characteristic of a two-compartment open model. The main pharmacokinetic variables were: t(1/2lambda(n)), MRT=90.1 min, V(darea)=0.81 L/kg and Cl(b)=3.9 mL/kg/min. After single oral administration the main pharmacokinetic variables were: C(max)=758 mug/L, t(max)=347 min and Cl(b/f)=3.7 mL/kg/min for Amx-FP. The oral bioavailability (F) was calculated at 11% for Amx-FP. Based on maximum residue levels (MRL) for AMX in pigs established at 50 microg/kg for all tissues, the withdrawal times of AMX in muscle and skin plus fat were estimated (95% tolerance limit and 95% confidence) to fall below the MRL after a withdrawal period of seven days. Levels of AMX in the liver and kidneys were estimated to fall below the MRL after a withdrawal period of four days.  相似文献   

Genetic distances: a useful tool to be applied with caution.     

Miguel Angel Toro 《Zeitschrift für Tierzüchtung und Züchtungsbiologie》2008,125(1):3-4

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Lipid droplets in clusters negatively affect Bos indicus embryos during cryopreservation          下载免费PDF全文

Eva Patricia López‐Damián  José Alfredo Jiménez‐Medina  Miguel Angel Lammoglia  Jaime Arturo Pimentel  Lourdes Teresa Agredano‐Moreno  Chris Wood  Carlos Salvador Galina  Tatiana Fiordelisio 《Anatomia, histologia, embryologia》2018,47(5):435-443

Embryo transfer using cryopreserved B. indicus embryos results in low pregnancy rates. The low viability of B. indicus embryos is likely a result of their low freezability relative to embryos from other species, notably B. taurus. Freezability is probably related to the quantity of lipid droplets in the embryonic cells. However, the mechanism underlying this association is unknown. Using multiphoton and transmission electron microscopy, the proportion, volume, morphology and composition of lipid droplets in fresh and cryopreserved B. indicus and B. taurus embryos were studied. B. indicus embryos have more droplets than B. taurus and a greater percentage of lipid droplets in clusters (34% vs. 24%; p < 0.05). Also, B. indicus individual droplets are of greater volume than those of B. taurus (47 μm³ vs. 34 μm³; p < 0.05). After freezing, the percentage of clusters decreased in B. indicus (11% vs. 5%; p < 0.05), while in B. taurus they increased (2% vs. 7%; p < 0.05). Freezing influenced the lipid droplet morphology, increasing the number of cracked droplets in B. indicus embryos (33% fresh vs. 62% frozen; p < 0.05), but not in B. taurus embryos (35% fresh vs. 34% frozen; ns). Regarding composition, saturated lipid droplets prevail in B. indicus embryos, contrary to B. taurus embryos. We observed differences in lipid droplet organization, proportion, volume, morphology and composition between B. indicus and B. taurus embryos which are altered in opposite directions following freezing.  相似文献