Ultrasonographic and Gross Pathological Findings in the Mammary Glands of Weaned Sows Having Suffered Recidiving Mastitis Metritis Agalactia     

C Baer  G Bilkei 《Reproduction in domestic animals》2005,40(6):544-547

In a large pig breeding herd with high prevalence of post-parturient diseases of the sows, weaned sows of different parity groups with (n = 663) or without (n = 1125) recidiving mastitis metritis agalactia (MMA) in their previous history were subjected to ultrasonography. A total of 114 of 663 sows with recidiving MMA in their previous history and with ultrasonographic visible mammary gland changes, and 157 of sows without recidiving MMA in their previous history were culled and subjected to gross pathological and bacteriological examination of their mammary glands. The sows having suffered MMA had more (p < 0.001) hyperechogenic images in their mammary glands compared with the sow having suffered no recidiving MMA. Abdominal glands were more (p < 0.01) prone to pathological changes compared with the pectoral ones. Sows of high parity had more hyperechogenic images and gross pathological changes in their mammary glands compared with the sows of low parity.  相似文献   

Effects of Diet Form on Golden Shiner Notemigonus crysoleucas Performance     

Delbert M. Gatlin III  Harold F. Phillips 《Journal of the World Aquaculture Society》1988,19(2):47-50

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In vivo kinetic study on uptake and distribution of intramuscular tritium-labeled polysulfated glycosaminoglycan in equine body fluid compartments and articular cartilage in an osteochondrial defect model     

Daniel J. Burba DVM  Michael A. Collier DVM  Lawrence E. Default PhD  Olivia Hanson-Painton PhD  Harold C. Thompson Jr.  Claude L. Holder 《Journal of Equine Veterinary Science》1993,13(12):696-703

The uptake and distribution of intramuscularly (IM) administered tritium-labeled polysulfated glycosaminoglycan (³H-PSGAG) in serum, synovial fluid, and articular cartilage of eight horses was quantitated, and hyaluronic acid (HA) concentration of the middle carpal joint was evaluated in a pharmacokinetic study. A full-thickness articular cartilage defect, created on the distal articular surface of the left radial carpal bone of each horse served as an osteochondral defect model. ³H-PSGAG (500 mg) was injected IM, between 14 and 35 days after creation of the defects. Scintillation analysis of serum and synovial fluid, collected from both middle carpal joints at specific predetermined times up to 96 hours post-injection, revealed mean ³H-PSGAG concentrations peaked at 2 hours post-injection. ³H-PSGAG was detected in cartilage and subchondral bone 96 hours post-injection in samples from all eight horses. There were no statistically significant differences in ³H-PSGAG concentration of synovial fluid or cartilage between cartilage defect and control (right middle carpal) joints.

HA assay of synovial fluid revealed concentrations significantly increased at 24, 48, and 96 hours post-injection in both joints. The concentration nearly doubled 48 hours post-injection. However, no statistically significant differences were found between synovial concentrations of HA in cartilage defect and control joints.

³H-PSGAG administered IM to horses, was distributed in the blood, synovial fluid, and articular cartilage. HA concentrations in synovial fluid increased after IM administration of polysulfated glycosaminoglycan.  相似文献   

Serum lipase determination in the dog: a comparison of a titrimetric method with an automated kinetic method     

Walter GL  McGraw P  Tvedten HW 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》1992,21(1):23-27

An enzymatic, kinetic method for determining serum lipase activity was evaluated and compared to a standard manual method for use in dogs. The kinetic method was a commercial kit adapted for use on a tandem access clinical chemistry analyzer and utilized a series of coupled enzymatic reactions based on the hydrolysis of 1,2-diglyceride by lipase. The manual method was the Cherry-Crandall technique based on the titration of base against the acid formed by hydrolysis of an olive oil substrate by lipase. The correlation between the two methods was very good (r = 0.94). The reference range for 56 clinically healthy dogs assayed by the kinetic method was 90 to 527 U/L. Diseases associated with a greater than twofold elevation in serum lipase activity as determined by the kinetic method included pancreatitis, gastritis with liver disease, and oliguric renal failure with metabolic acidosis. In some cases, pancreatitis was seen with other clinical problems, such as gastroenteritis, diabetic ketoacidosis, duodenal mass, disseminated intravascular coagulation, and septic peritonitis. Diseases associated with serum lipase activity within the reference range or elevated less than twofold included gastritis, gastric ulcer, cholestasis, phenobarbital-induced hepatopathy, colitis, copper hepatopathy, abdominal hematoma, apocrine gland adenocarcinoma, and thrombocytopenia with pneumonia.  相似文献   

Catheter‐associated venous air embolism in hospitalized horses: 32 cases          下载免费PDF全文

Nicholas J. Parkinson  Harold C. McKenzie  Michelle H. Barton  Jennifer L. Davis  Bettina Dunkel  Amy L. Johnson  Elizabeth S. MacDonald 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2018,32(2):805-814

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Urine total protein concentration in clinically normal dogs          下载免费PDF全文

Harold Tvedten 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2016,45(3):395-396

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Ethical ideology and moral persuasion: personal moral philosophy, gender, and judgments of pro- and anti-animal research propaganda.     

Darcy Nickell  Harold A Herzog 《Society and Animals》1996,4(1):53-64

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Type 3 Diplococcus Pneumonia in Laboratory Rats          下载免费PDF全文

H. Baer  Anni Preiser 《Canadian journal of veterinary research》1969,33(2):113-117

An acute respiratory disease, due to Diplococcus pneumoniae type 3, affecting Wistar and Sprague-Dawley rats is described. The infection was experimentally transmitted to Sprague-Dawley rats. The zoonotic potential of the condition dictated euthanasia of affected animals and instigation of rigid sanitary measures.  相似文献   

Flash electroretinography in standing horses using the DTL microfiber electrode     

Komáromy AM  Andrew SE  Sapp HL  Brooks DE  Dawson WW 《Veterinary ophthalmology》2003,6(1):27-33

Purpose The goal of our study was the evaluation of a practical method for the recording of flash electroretinograms (ERGs) in sedated, standing horses with the DTL? microfiber electrode. Methods The horses were sedated intravenously with detomidine hydrochloride (0.015 mg/kg). The pupil was dilated and the auriculopalpebral nerve was blocked. The ERGs were recorded with the active electrode on the cornea (DTL?), the reference electrode near the lateral canthus, and the ground electrode over the occipital bone. The light intensities of the white strobe light were 0.03 cd·s/m² (scotopic) and 3 cd·s/m² (scotopic and photopic). Photopic and scotopic single flash and flicker responses to Ganzfeld stimulation were recorded. During the 20‐min dark adaptation period the retina was stimulated every 5 min with the 0.03 cd·s/m² single flash. Results The median b‐wave amplitudes and implicit times were 38 µV and 33 ms (photopic cone‐dominated response), 43 µV and 63 ms (5‐min dark adaptation), 72 µV and 89 ms (10 min), 147 µV and 103 ms (15 min), 188 µV and 109 ms (20 min, 0.03 cd·s/m², rod response), and 186 µV and 77 ms (20 min, 3 cd·s/m², maximal combined rod‐cone response). A steady increase in amplitude and implicit time was noted during dark adaptation. No oscillatory potentials could be isolated. Conclusions The use of detomidine hydrochloride sedation and the DTL? microfiber electrode allowed the recording of good quality ERGs. This protocol should permit the detection of functional problems in the retina without the risk involved with general anesthesia.  相似文献   

Stephen wilhelm, 1919 to 2002     

Johnson HA  Converse RH 《Phytopathology》2003,93(4):380

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