Pathologia veterinaria
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Published By Sage Publications

0031-2975

1970 ◽  
Vol 7 (6) ◽  
pp. 568-568
Author(s):  
C. N. Barron
Keyword(s):  

1970 ◽  
Vol 7 (6) ◽  
pp. 547-565 ◽  
Author(s):  
A. E. McChesney ◽  
J. J. England ◽  
J. K. Adcock ◽  
L. L. Stackhouse ◽  
T. L. Chow

A fatal adenoviral infection was recently recognized in suckling Arabian foals from Colorado, Kansas, Nebraska, and Wyoming. Affected foals had clinical signs of pneumonia accompanied by fever, absolute lymphopenia, and neutropenia. Characteristic lesions with typical adenoviral inclusions occurred in respiratory epithelium of all cases. Other tissues with significant changes and inclusion bodies were conjuctiva, urinary mucosa, pancreas, and salivary glands. Lymphoid follicular atrophy and hepatic degeneration were frequent but were not accompanied by inclusions.


1970 ◽  
Vol 7 (6) ◽  
pp. 498-532 ◽  
Author(s):  
Eugene W. Adams ◽  
Lynnard J. Slaughter

A naturally occurring malignant canine venereal tumor in the vagina of a mature Collie dog did not regress following surgical intervention. The tumor progressed fatally over a period of 5 weeks and metastasized to the inguinal and iliac lymph nodes, spleen, eye, and brain. It had a modal number of 60 chromosomes of which 17 were metacentric.


1970 ◽  
Vol 7 (6) ◽  
pp. 566-568
Author(s):  
G. E. McKissick
Keyword(s):  

1970 ◽  
Vol 7 (6) ◽  
pp. 509-516 ◽  
Author(s):  
J. Q. Lynd ◽  
F. T. Lynd

A diet of 60% peanut meal (W.H.O/F.A.O/U.N.I.C.E.F) was fed either toxin free or adulterated with aflatoxin at the rate of 0.948 μg B1 and 0.630 μ G1 to ducklings for a 10-day period. The ingestion of aflatoxin increased from 14.99 in 16.70 μg per day per duckling with outward signs of repression of growth and reduced feed efficiency as measured by changes in weight. Compared with those ducklings fed a toxin-free food, aflatoxin resulted in an increase of the liver in size from 3.8 to 4.4%; total hepatic lipids of the intoxicated ducklings decreased from 23.0% to 14.0% while cholesterol remained above 22% with marked contrast in crystalline form and cellular distribution. Normal changes in triglycerides were reversed with oleic and linoleic acids increased while palmitic and stearic acids were decreased. Levels of linoleic acid were significantly higher within ducklings fed the aflatoxin diet.


1970 ◽  
Vol 7 (6) ◽  
pp. 492-497 ◽  
Author(s):  
Ronald E. Flatt ◽  
Samuel J. Jackson

The kidneys of 100 of 2,338 rabbits (4.3%) slaughtered for human consumption had focal cortical depressions. Histologically, the lesions in these kidneys consisted of focal granulomatous nephritis to chronic interstitial nephritis with scarring. Nosema cuniculi was demonstrated microscopically in 35 (35%) of the grossly affected kidneys. The number of organisms decreased as the lesions became older.


1970 ◽  
Vol 7 (6) ◽  
pp. 482-491 ◽  
Author(s):  
Arturs Vitums

A malformation of the heart and great vessels, in which the aorta and the pulmonary trunk originated from the right ventricle, has been reported in a 1 1/2 year-old horse. It is suggested that the oxygenated blood from the left ventricle was ejected through a large septal defect into the right ventricle where partial mixture of the blood took place. The function of the right ventricle was to pump the blood into the aorta and the pulmonary trunk. The muscular ridge, which was interposed between the aorta and the pulmonary trunk, might have directed a portion of the predominately oxygenated blood into the aorta and a portion of the predominately venous blood into the pulmonary trunk.


1970 ◽  
Vol 7 (6) ◽  
pp. 481-481
Author(s):  
D. G. Dodd
Keyword(s):  

1970 ◽  
Vol 7 (6) ◽  
pp. 517-530 ◽  
Author(s):  
F. M. Garner ◽  
Carolyn H. Lingeman

Mast-cell neoplasms may originate in skin or internal viscera of cats. Mast-cell or basophilic myelocytic leukemia may accompany disseminated mastocytosis. Ages of affected cats range from 4 to 16 years with a median age of 10 years. There is no definite predilection as to sex or breed, Neoplastic mast cells vary in degree of differentiation.


1970 ◽  
Vol 7 (6) ◽  
pp. 503-508 ◽  
Author(s):  
Kent R. Van Kampen ◽  
Lynn F. James

Sheep experimentally poisoned by ingestion of Astragalus letiginosus developed cytoplasmic vacuolation of the proximal tubular epithelia within 4 days after beginning of the experiment. Neuronal vacuolation occurred by day 8 and had progressed to neuronolysis by day 16.


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