Results 181 to 190 of about 34,317 (228)

Outbreak of monensin poisoning in cattle

Veterinary Record, 1983
Following accidental overdosage with monensin, nine deaths occurred in a batch of 40, four-to-seven-month-old calves. A description of the incident is given including the findings on post mortem examination. Inaccurate on-farm feed mixing can present problems as was highlighted by this outbreak.
D D, Wardrope, N S, Macleod, J R, Sloan
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Influence of Monensin on the Performance of Cattle

Journal of Animal Science, 1984
Performance data on nearly 16,000 head of cattle that were used in trials to document effects of monensin on feedlot cattle were summarized. Cattle fed monensin-containing diets gained 1.6% faster, consumed 6.4% less feed and required 7.5% less feed/100 kg gain than cattle fed control diets. Monensin resulted in the greatest improvement in feed/gain at
R D, Goodrich, J E, Garrett, D R, Gast, M A, Kirick, D A, Larson, J C, Meiske   +5 more
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INFLUENCE OF MONENSIN ON FERTILITY IN RATS

Clinical and Experimental Pharmacology and Physiology, 1986
SUMMARY1. Monensin was given orally to female rats at two dose levels (1.75 and 3.50 mg/kg body weight) over the period of 9‐17 days of pregnancy where organogenesis of fetuses occur. The dams were killed on the nineteenth day of gestation and their fetuses were subjected to morphological, visceral and skeletal examination.
M, Atef, M A, Shalaby, M G, el-Sayed, S, el-Din, A H, Youssef, M A, el-Sayed   +5 more
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Efficacy of Monensin for Beef Cows

Journal of Animal Science, 1980
Monensin fed to beef cows at levels of 50, 200 or 300 mg daily during late gestation and early lactation induced feed savings of 3.2, 10.5 and 13.5%, respectively, when feed intakes were regulated to produce similar changes in cow weights, condition scores and weight to height ratios during the 168-day feeding period.
P M, Walker, B A, Weichenthal, G F, Cmarik   +2 more
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Monensin toxicity in a flock of ostriches

Veterinary Record, 1997
A total of 42 birds from a flock of 104 farmed ostriches showed signs of toxicity after the accidental inclusion of monensin in their concentrate ration. The initial clinical signs were muscle weakness and ataxia which progressed to recumbency, dyspnoea and death, despite intensive supportive therapy.
Baird, GJ, Caldow, GL, Peek, IS, Grant, DA   +3 more
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Effect of monensin on myoblast fusion

Biochemical and Biophysical Research Communications, 1985
Monensin, at a concentration of 0.5-10 microM, completely (100%) and reversibly inhibits fusion of embryonic chick myoblasts in vitro. At the same time, monensin administration leads to a marked accumulation of glycopeptides inside the cells and a decrease of those secreted into the medium.
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Thermodynamics of complexation of monensin A and monensin B in methanol by titration calorimetry

Journal of the Chemical Society, Chemical Communications, 1985
In the first reported study of the complexation behaviour of monensin B, careful titration calorimetry experiments show the following: (i) monesin B tetrabutylammonium salt (MonB–Bu4N+) is a weaker binder than monensin A anion (MonA–Bu4N+) of both Na+ and K+ in methanol; (ii) the Na+/K+ selectivity exhibited by MonB– is diminished relative to MonA ...
David M. Walba, Mark Hermsmeier
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Monensin Mode of Action in the Rumen

Journal of Animal Science, 1984
The ionophore monensin is used as a model to examine the modes of action important in manipulating rumen function. Several system modes of action probably result from the basic mode of action of the ionophore modifying the movement of ions across the membranes of rumen microbes.
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Monensin for the Prevention of Coccidiosis in Calves

American Journal of Veterinary Research, 1978
SUMMARY Young calves (Holstein-Friesian) were inoculated with Eimeria bovis on the 3rd day after the start of 31 days' feeding of a ration containing added monensin in 2 dose levels: 16.5 g or 33 g/metric ton of feed. Monensin-treated calves were free of clinical signs of coccidiosis, but inoculated control calves developed diarrhea and had excessive ...
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Evaluation of Monensin Toxicity in the Horse

Journal of the American Veterinary Medical Association, 1976
SUMMARY Gelded horses of mixed breeding, ranging in weight between 360 and 455 kg, were fed pellets that contained monensin at concentrations of 279, 124, 31, and 0 ppm. Of 2 horses fed 279 ppm (253 g/T), both died. Of 3 horses fed 125 ppm (113 g/T), 1 died; feed intake was reduced in the 2 survivors. Of 3 horses fed 31 ppm (28 g/T), 1 had a transitory
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