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.
Unlike cattle, which are typically fed a mix of hay of varying quality, grains and silage, horses need good hay as their primary feed to stay healthy. Chicago said her store is selling a bale of good-quality alfalfa hay, the most common type in Arizona, for $18. At the start of the year, the same bale cost $11.50. At Arizona Feeds Country Store, owner Kevin Bloomquist said his price for alfalfa hay has gone from about $9 a year ago to about $18 to $19 a bale now.