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Columbia, Mo. -- In an effort to do her part to decrease the number of unwanted horses in the United States, the head of University of Missouri's equine ambulatory section will offer an equine sterilization clinic this fall.

This edition of the Five covers the Year of the Veterinarian, food-animal antibiotics, veterinarians' most important skill outside of medical know-how, and more.

Gulf of Mexico - The number of birds, sea turtles and mammals injured or killed as a result of the oil spill in the Gulf of Mexico continues to swell, according to a new estimate released by the Unified Area Command in the U.S. Fish and Wildlife Service.

Everything we have discussed to this point is actually about establishing a records plan that will allow us to serve the dairy industry of the future using the records that are efficiently gathered so we are not spending all of our time keeping or organizing the records. As our herds get larger, as the number of animals examined at any one time increases, as we are examining groups of diverse animals at one time, and as we struggle to maintain a cow side presence, the organization of the records becomes more critical.

The agricultural community is an extremely small percent of the general population and much of that population lives in densely populated areas of the country. They draw their perceptions of food animal care from their experiences and perceptions about zoos, their own companion animals, and the visual stories presented electronically from opponents of the animal industry.

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Because one goal of proper heifer development is to improve second parity pregnancy percentage, a beef producer may ask "what is the impact of higher pregnancy percentages during the second breeding season on costs and income?" Table 1 displays the effect of changing pregnancy percentage for first-calf heifers in 5-percentage point increments on the percent of the herd that must be replaced each year and the average age of the herd. In general, given the assumptions in the table, for every 5-percentage point improvement in first-calf heifer pregnancy percentage, the number of replacements needed for the herd decreases by about 1 percentage point and average cow age increases by .01 years.

Multiple physiologic mechanisms act in concert to maintain the concentration of ionized calcium in the extracellular fluid (ECF) within a very tightly-regulated range. Hypocalcemia most commonly occurs when the physiologic demand for calcium for fetal bone growth or milk production exceeds the dietary supply of calcium and overwhelms the homeostatic systems aimed at maintaining adequate ionized calcium in the ECF.