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The effects of various planes of nutrition upon the cost of maintenance, reproduction, and development of beef cows
(University of Missouri--Columbia, 1916)
The frequency with which valuable animals reproduce themselves has always been a factor of economic importance in the pure bred cattle business. Great economic changes during the last few years have made this an important factor in the grade cattle...
Potential agricultural insecticide exposure of Indiana bats (Myotis Sodalis) in Missouri
(University of Missouri--Columbia, 1998)
concentration of 1-3 ppm appears to be a toxic threshold, below which high performance variability is noted . Above a brain concentration of 1-3 ppm, death prior to completion of the experiment at 96h was common....