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Query: UMLS:C0013911 (emaciation)
 1,059 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Investigation on the aetiology of diarrhoea in piglets of one to three weeks of age revealed high numbers of Clostridium perfringens type A in intestinal contents of severely affected animals. Experimental infections with hysterectomy derived, colostrum deprived piglets performed in an isolator resulted in a clinical picture indistinguishable from the clinical signs observed under field conditions i.e. creamy diarrhoea, emaciation, abundant gas in the gut but usually low mortality rate. The predominant post-mortem findings were the presence of gas in the intestinal lumen and in the mucosa, superficial necrosis and villus atrophy.
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PMID:Diarrhea in one to three week-old piglets associated with Clostridium perfringens type A. 632 60

Observations were made on individual cases and on herds showing the effects of internal parasitism on the health and productivity of Toggenberg and Saanan goats. The clinical reactions varied markedly being influenced by the degree of infestation and duration of illness. Typical cases showed emaciation, anaemia, oedema, weakness and sometimes diarrhoea and death. Faecal analyses were dominated by strongyle egg counts which rose progressively throughout the study period. Overstocking led to some animals being at greater risk.
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PMID:Internal parasitism in milk goats in Kenya. 648 5

Nine piglets, 2-5 months old and weighing 12-15 kg were infected percutaneously with 5000 to 6000 cercariae of Schistosoma japonicum. Three similar piglets which were not infected served as controls. Infected animals were necropsied at 5, 10, 30, 40, 59, 90, 120, 150 and 180 days post-infection (PI) and the controls at 5, 60 and 180 days PI. The prepatent period varied from 27 to 33 days after infection. Clinical signs observed, coincident with egg production, were loss of appetite, lethargy, pallor of mucous membranes, diarrhea, progressive emaciation and dehydration. One piglet was moribund when killed for necropsy at 40 days and another piglet died 59 days PI. Pathological changes induced by S. japonicum included erythematous papules on the site of inoculation, petechial hemorrhages in the lungs, catarrhal to hemorrhagic enteritis, bluish-gray discoloration of the liver, and egg granulomas in the liver, lungs, spleen, intestines, pancreas and mesenteric lymph nodes. Endophlebitis with intimal hyperplasia was occasionally observed in veins harboring adult schistosomes.
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PMID:Clinical and pathologic features of experimental Schistosoma japonicum infection in pigs. 654 61

Eleven adult Basenji dogs with immunoproliferative small intestinal disease (IPSID) were studied. Two items of history related to the digestive tract were characteristic: (i) chronic intractable diarrhea in most dogs, and (ii) progressive emaciation. Anorexia was intermittent in only a few dogs. In addition, skin lesions of various degrees of severity were observed, including alopecia of pinnae and ventrum, hyperpigmentation and hyperkeratosis of pinnae, and necrosis and ulcerations of margins of pinnae. The cause of the skin lesions was not determined; however, hypothyroidism did not appear to contribute to the skin changes. Standard hematologic and serum chemical values were not consistently abnormal. However, a poorly regenerative anemia, mild neutrophilia, and increased aspartate aminotransferase and alanine aminotransferase activities were generally observed in severely affected dogs. The Pelger-Huet anomaly was identified in dog 3. Maldigestion and malabsorption as determined by the N-benzoyl-L-tyrosyl-p-aminobenzoic acid and d-xylose test was documented to varying degrees in dogs with IPSID. Maldigestion was correlated with functional pancreatic exocrine insufficiency. Severe malabsorption was documented in only 3 dogs. Serum gastrin values were evaluated in these dogs because of a prior observation of parietal cell hyperplasia and gastric ulceration. Hypergastrinemia was documented in 3 dogs. Additional studies will be necessary to determine whether an acid hypersecretory state contributes to the pathogenesis of IPSID in Basenjis.
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PMID:Clinical and laboratory characterization of Basenjis with immunoproliferative small intestinal disease. 660 87

Chronic toxicity and its recovery of bestatin (NK421) was studied in both sexes of 28 Beagle dogs. At dose levels of 96, 38.4 and 15.4 mg/kg, NK421 was administered orally to dogs for 540 successive days. Control dogs were treated orally with 2 g/dog of corn starch. Each group consisted of 3 males and 3 females, and 2 males and 2 females were added to the 38.4 mg/kg group for a recovery test of 35 days. As general signs, anorexia, abnormal feces (loose stool, diarrhea, mucous stool), loss of activity, loss of lustre in fur, decoloration of the visible mucosa and emaciation were transiently observed in a early stage in 1 male and 1 female of the 96 mg/kg group. In correlation with these signs, slight anemia appeared hematologically, and the increased alkaline phosphatase activity and the decreased albumin ratio in serum protein fractions were observed biochemically. Except for the slight abnormal findings observed in the liver of the above 2 dogs, no significant changes were histopathologically noticed in any organ of all the dogs examined. The maximum non-toxic dose of NK421 in this study is estimated to be 38.4 mg/kg in dogs.
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PMID:Toxicological studies on bestatin. III. Chronic toxicity test and recovery study in beagle dogs. 667 30

In order to study the safety of 1,3,3,5,5-pentaziridino-1-thia-2,4,6-triaza-3,5-diphospho rine-1-oxide (SOAz), a new antitumor agent, acute toxicity studies by intravenous administration were performed in ddY mice, Wistar rats and beagle dogs. The LD50 values in rodents were 325 mg kg-1 for male mice, 450 mg kg-1 for female mice, 100 mg kg-1 for male rats and 82 mg kg-1 for female rats. In dogs, the LD50 values were 12 mg kg-1 for males and 18 mg/kg-1 for females. The dosed animals showed diarrhoea and decreased movement in the three species, and emaciation and loss of body weight in mice and rats. Dogs also showed signs of pneumonia. Histopathological examination revealed bone marrow suppression, atrophy of lymphoid organs and testes, and damage to the digestive tract mucosa in the three species. The main causes of death from single-dose administration were bone marrow aplasia and atrophy of lymphoid tissue in all species, together with gastro-intestinal ulceration in rats and dogs, and infection in mice and dogs.
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PMID:Acute toxicity study of 1,3,3,5,5-pentaziridino-1-thia-2,4,6-triaza-3,5-diphosp horine-1-oxide (a new antitumor agent with an inorganic ring) in mice, rats and dogs. 671 78

The toxicity of Aspergillus ochraceus contaminated wheat and various chemical forms of ochratoxin A (OA) were compared by feeding diets containing A. ochraceus contaminated wheat (3.0 micrograms OA/g diet) and 3.0 micrograms/g of purified OA in the K salt, Na salt, or organic acid form to broiler chicks from hatching to 4 weeks of age. All OA diets caused listlessness, emaciation, dehydration, and occasional diarrhea. Cumulative mortalities were 0, 13, 17, and 10% for the control, contaminated wheat, OA Na salt, OA K salt, and OA acid, respectively. Necropsies at the end of the experiment revealed pale friable livers, enlarged pale kidneys, and enlarged gall bladders in all OA treatments. Body weights and gain were significantly depressed throughout the experiment, and cumulative feed conversion ratios were significantly increased by all forms of OA. Relative kidney and liver weights were also significantly increased by all forms of OA. Serum analysis revealed significant decreases in total protein, albumin, globulin, cholesterol, and phosphorus concentrations and significant increases in uric acid concentrations in chicks fed all forms of OA. Determinations of median lethal dose (LD50) were conducted by dosing day-old chicks and recording mortality for 10 days. LD50 values were 4.41, 3.95, and 2.69 mg/kg for OA acid, Na salt, and K salt, respectively. These results indicated that the K salt of OA was more toxic than the Na salt in acute oral dosing. During the feeding study, results also suggested that chemical form of OA affected its toxicity, but after feeding 3.0 micrograms/g OA for 4 weeks, no significant differences in toxicity were caused by the various chemical forms of OA or the A. ochraceus contaminated diet.
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PMID:Toxicity of Aspergillus ochraceus contaminated wheat and different chemical forms of ochratoxin A in broiler chicks. 671 99

Paratuberculosis in sheep usually is manifested as emaciation and decreased wool production. Diarrhea occurred in only 18% of affected animals. Significant hematologic changes included decreased RBC count, hemoglobin level and hematocrit. Necropsy revealed pallor, cachexia and serous fluid in body cavities. Staining of intestinal mucosal scrapings and mesenteric lymph node impression smears for acid-fast organisms revealed bright-red clumps of Mycobacterium paratuberculosis bacilli. Fecal examination identified 70% of affected animals, intradermal injection of johnin 60%, and avian tuberculin 39%.
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PMID:Diagnosis of paratuberculosis in sheep. 672 47

Since 1971, 45 of 259 male rhesus monkeys housed in a primate building have died of a chronic and progressive disease characterized by diarrhea, dehydration, weakness, gingivitis, emaciation, and alopecia. The principal necropsy finding in these monkeys, and in eight others killed for experimental purposes, was hypertrophic and hyperplastic mucinous gastropathy involving both the mucosa and submucosa. The toxic agent involved was identified as the polychlorinated biphenyl (PCB), Aroclor 1254. The suspected source of the toxic agent was a concrete sealer used during building construction.
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PMID:Mucinous gastric hyperplasia in a colony of rhesus monkeys (Macaca mulatta) induced by polychlorinated biphenyl (Aroclor 1254). 680 14

Intestinal and bladder injury are the main limiting factors to radiation therapy in patients with pelvic neoplasms. 2-Amino-ethylisothiouronium (AET) is a radiation-protective agent when given systemically but absorbs poorly from the intestines. Accordingly, it was explored for the local protection of the bowel and bladder during radiation to the pelvis. Radiation localized to the pelvis in various high fractionated doses and various schedules was applied to pairs of stumptailed monkeys (Macaca arctoides): one was always a control; and the other was treated with AET. AET was applied to the bladder through a catheter and to the rectum with a cotton tampon during the time of radiation. After radiation, AET was removed by repeated washings. Control animals developed hemorrhage, diarrhea, and emaciation and died at various times after completion of the radiation course; biopsy of rectal mucosa showed severe radiation damage. AET-treated animals had only occult blood in the stools and suffered slight weight loss; rectal biopsies showed normal tissues 2 weeks after radiation.
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PMID:Protection of normal tissues with 2-aminoethylisothiouronium during local pelvic radiation in monkeys. 685 May 97


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