Tag Archives: Glycerol

The mechanism of hormone action

For any hormone to exert its biological effect it must interact with its own specific receptor. The receptor, usually a large protein molecule, has a unique three-dimensional shape that will only bind a particular hormone or analogs of that hormone {compounds which possess a chemical structure which is very similar to the hormone concerned). As… Read More »

Embryo Storage

Two options exist to store equine embryos. The short-term (<24 hours) method entails storage of embryos that are cooled to 5° C in an Equitainer (Hamilton Research, South Hamilton, Mass.). The long-term (>24 hours) method involves storage of embryos that are frozen at -196° C in liquid nitrogen. Of these two options, short-term storage procedures… Read More »

Cryopreservation of Semen

The use of frozen-thawed equine semen has increased greatly over the past 10 to 15 years. The use of this type of semen can have tremendous advantages for both stallion and mare owners. Genetic material can be stored indefinitely and may be used even after the death of the stallion. Success in the cryopreservation of… Read More »

Propofol

Propofol belongs to a class of drugs known as the hindered phenols, and is unrelated to all other anesthetic agents. The drug is poorly soluble in water and is supplied as an emulsion containing 10 mg propofol, 100 mg soyabean oil, 22.5 mg glycerol and 12 mg purified egg phosphatide per ml. This emulsion contains… Read More »

Herbs For Blood And Immunologic Disorders

Of all the systems discussed in this section, the immune system is at once the most difficult and the most self-evident to treat. Practitioners are frequently asked how to “stimulate the immune system,” yet herbalists and scientists alike realize that the complexity of immune function makes this effort at least naive and at best inadvisable.… Read More »

Artificial Insemination (AI)

The introduction of male germ cells (spermatozoa) into the female without actual service. The practice is a very old one. In the 14th century Arab horse-breeders were getting mares in foal by using semen-impregnated sponges. In Italy bitches were artificially inseminated as long ago as 1780, and at the close of the 19th century the… Read More »