1 The use of the electron microscope has advanced our understanding of cell biology further ... In the early 1930's this limit had been reached and there was a scientific desire to see the fine details of the interior structures of organic cells (nucleus, mitochondria, inside the nucleus itself, nucleolus).
MaxQ Tall Fescue Grass - Safe For Horse Pastures & Hay. Fescue toxicity has long been an issue for horses, sheep and cattle. Endophyte-free varieties of Tall Fescue Grass were developed, but they suffered from reduced plant hardiness and survival.
In some regions, it is hard to find good grass hay. If you must use alfalfa hay for all your horses, be selective in the hay you choose. You may need different qualities of hay for different horsesâleafy hay for weanlings, for instance, and more mature hay for adult horses that do not need such fine hay.