Chitosan-based agent use for hemostasis after cryptorchidectomy in a horse     

Michelle L. Tucker DVM  David G. Wilson DVM  DACVS  Spencer M. Barber DVM  DACVS 《Veterinary surgery : VS》2020,49(4):758-763

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Extracellular vesicular microRNAs as potential biomarker for early detection of doxorubicin-induced cardiotoxicity     

Amelie Beaumier  Sally R. Robinson  Nicholas Robinson  Katherine E. Lopez  Dawn M. Meola  Lisa G. Barber  Barret J. Bulmer  Jerome Calvalido  John E. Rush  Ashish Yeri  Saumya Das  Vicky K. Yang 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2020,34(3):1260-1271

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Effect of supplying P to a portion of the soybean root system on root growth and P uptake kinetics 1     

C. M. Borkert  S. A. Barber 《Journal of plant nutrition》2013,36(10):895-910

Abstract

Knowledge of the effect of supplying P to portions of the soybean (Glycine max L. Merr) root system on P influx kinetics and root growth is important in developing P fertilizer placement practices for efficient fertilizer use. The objective of this research was to determine the effect of restricting P supply to portions of the root system on plant P status, root growth, and P influx kinetics. Two solution experiments were conducted in a controlled climate chamber. Phosphorus influx kinetics were determined on 25‐day‐old soybean plants that had been grown with 100, 75, 50, 25, and 12.5% of their roots initially exposed to P. Phosphorus influx kinetics were also measured on 25‐day‐old plants that had been P‐starved for the last 1, 2, 4, and 6 days prior to the determining P influx kinetics in order to relate plant P status to P influx kinetics.

Reducing the portion of the roots supplied with P reduced P uptake. This resulted in a reduction in plant P concentration and was related to a 3.41‐fold increase in maximum P influx measured on 25‐day‐old plants. Restricting the proportion of roots supplied with P had no significant effects on the Michaelis‐Menten constant or on the concentration in solution where net influx was zero. Root growth rate of the roots in the P containing solution was not significantly different from those in the ‐P solution.

Phosphorus uptake was correlated with final root surface area exposed to P (r² = 0.88??). Starving the plants for P reduced P concentration in the shoot and root and this resulted in as much as a 1.68‐fold increase in maximum influx.  相似文献   

Serological characterisation of Haemophilus parasuis isolates from Australian pigs   总被引：2，自引：0，他引：2  

PJ BLACKALL  VJ RAPP-GABRIELSO†  DJ HAMPSON‡ 《Australian veterinary journal》1996,73(3):93-95

A total of 31 isolates of Haemophilus parasuis obtained from Australian pigs were serotyped by the Kielstein-Rapp-Gabrielson scheme. The isolates were assigned to serovar 1 (1 isolate), serovar 2 (1 isolate), serovar 4 (4 isolates), serovar 5 (7 isolates), serovar 9 (2 isolates), serovar 10/7 (4 isolates), serovar 12 (1 isolate) and serovar 13 (6 isolates). The remaining 5 isolates could not be assigned to a serovar. Two different serovars (5 and 13) were detected in one herd. The only 2 isolates obtained from clinically normal pigs (from the same herd) were serovar 9. The common serovars were isolated from pigs with pneumonia as well as from pigs with conditions of the Glässer's disease type. The serological heterogeneity amongst Australian isolates of H parasuis has important implications for the use of vaccines to control Glässer's disease.  相似文献   

Heterozygote detection for maple syrup urine disease in cattle     

PJ HEALY  JA DENNIS 《Australian veterinary journal》1995,72(9):346-348

SUMMARY The clinical, pathological and biochemical manifestations of maple syrup urine disease (MSUD) are similar in Poll Hereford and Poll Shorthorn X Poll Hereford calves. No significant differences were observed in branched-chain amino acid concentrations in plasma, or of branched-chain keto acid dehydrogenase activity in fibroblasts, between Poll Herefords homozygous normal and heterozygous for the mutation responsible for MSUD. Haemopoietic chimerism resulted in incorrect diagnosis of the MSUD genotype in 30% of non-identical twins when blood DNA was analysed using allele-specific amplification. Hair roots are shown to be a suitable source of target DNA for genotyping Poll Hereford cattle for the MSUD mutation. Twelve of 203 (5.8%) aged Poll Hereford bulls, sampled at saleyards during the last 4 months of 1993, were found to be heterozygous for the mutation. In contrast, the mutant sequence was detected in only 1 of 150 (0.7%) 2- and 3-year-old Poll Hereford bulls offered for sale at 2 stud sales held during 1993, suggesting that the prevalence of the disease may decline over the next few years.  相似文献   

Regulation of Prostaglandin Secretion and Proliferation of Bovine Endometrial Stromal Cells by Platelet-activating Factor     

U Tiemann  JA Davidson  PJ Hansen 《Reproduction in domestic animals》1995,30(3):141-143

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Periorbital skull fractures in five horses     

J P Caron  S M Barber  J V Bailey  P B Fretz  J W Pharr 《Journal of the American Veterinary Medical Association》1986,188(3):280-284

Periorbital skull fractures were diagnosed in 5 horses, and were associated with ophthalmic complications including corneal ulceration, uveitis, and entrapment of the eye by retrobulbar bone fragments. Physical examination was of greater diagnostic use than radiography. Surgical repair was performed on all horses and was associated with a more favorable postoperative appearance in horses treated acutely; however, the cosmetic results were considered acceptable in all horses. Major postoperative complications were not observed.  相似文献   

Left hepatic vein attenuation for treatment of patent ductus venosus in a dog     

R A Martin  J R August  D L Barber  F Luther 《Journal of the American Veterinary Medical Association》1986,189(11):1465-1468

Patent ductus venosus was identified in a young dog. Surgical attenuation of the anomalous vessel was performed by partial ligation of the left hepatic vein. Clinical signs resolved after surgery, and laboratory values returned to normal. Jejunal venous portography, performed 8 weeks after surgery, revealed complete occlusion of the patent ductus venosus, with normal portal vasculature to the right and central divisions of the liver. Atrophy of the left hepatic division resulted.  相似文献   

βbT-mannosidosis in Salers calves in Australia     

PJ HEALY  GN KIDD  RE REUTE  C BUNCE  I HOSIE  T STAPLETON 《Australian veterinary journal》1992,69(6):145-145

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The comparative pathogenicity of four serovars of Actinobacillus (Haemophilus) pleuropneumoniae   总被引：1，自引：0，他引：1  

RJ ROGERS  LE EAVES  PJ BLACKALL  KF TRUMAN 《Australian veterinary journal》1990,67(1):9-12

The pathogenicity of 2 isolates of each of serovars 7, 3, 1 and 2 of Actinobacillus pleuropneumoniae was tested by intranasal inoculation into 60, 6-week-old large white pigs. Four dose rates varying from 0.27 to 560 x 10(6) organisms per pig with 10-fold serial dilutions were used. Surviving pigs were necropsied 7 days after inoculation. The proportion of pigs dying and developing gross lesions following infection was significantly greater for pigs given serotype 1 than for each of the other 3 serotypes, which did not differ significantly from each other. Twelve of 16 pigs given either of the 2 isolates of serovar 1 died after acute illness and 1 of 44 pigs given either of the 2 isolates each of serovars 7, 3 and 2 died. Pigs given serovar 1 showed high temperatures, severe respiratory distress, frothy haemorrhagic nasal discharge and weight loss. Lung lesions were produced in all 16 pigs given serovar 1, in 7 of 14 pigs given serovar 7, 7 of 14 pigs receiving serovar 3 and in 5 of 16 pigs given serovar 2. The lethal infections were characterised by a severe acute fibrinohaemorrhagic necrotising pleuropneumonia, whereas non-lethal cases had lung lesions ranging from necrotising purulent pleuropneumonia to abscessation. Significant differences between isolates in proportions of tissues culture positive for A. pleuropneumoniae for serovars 7 and 2, but not for serovars 3 and 1 suggested that isolates may vary in virulence within serovars, but more detailed studies are needed to clarify this point.  相似文献