. Types and market classes of live stock. f history. No sooner had Sloan shown ability to win consistentlythan people began trying to find out the secret of his could see that he carried himself as far forward on hishorse as possible, and so these questions arose:—Does a manseated near the neck of a horse enable the animal to travel 318 Types and Market Classes of Live Stock faster than one seated near the tail? If so, why? As forthe first question, Sloan gave it a practical answer by hisconsistent winnings. The second question was also finallyanswered. A horse to move forward at
. Types and market classes of live stock. f history. No sooner had Sloan shown ability to win consistentlythan people began trying to find out the secret of his could see that he carried himself as far forward on hishorse as possible, and so these questions arose:—Does a manseated near the neck of a horse enable the animal to travel 318 Types and Market Classes of Live Stock faster than one seated near the tail? If so, why? As forthe first question, Sloan gave it a practical answer by hisconsistent winnings. The second question was also finallyanswered. A horse to move forward at all must thrust at the earth,and the chief force of this thrust comes from his hind the center of weight of horse and rider is just over, orclose to, the thrusting power, naturally it diminishes the effi-ciency for speed, for instead of thrusting the horse forward,a large portion of the muscular energy is wasted in lifting theweight of the jockey at every stride. The drawing below andthe words which follow will make this Fig. 87. The Horse in Motion. Drawn from a snapshot of a galloping horse. A, The center ofweight; AB the line of thrust; ABC, the angle of thrust; Y, the center ofweight when rider is over neck of horse; X, center of weight when ridersits near the tail. The farther forward the center of weight is, the longeris the line from hind foot to center of weight, called the lineof thrust, and the more nearly will this line approach thehorizontal. As a horse has to raise himself vertically witheach bound, it is naturally a matter of very great importancewhether he has to lift a dead weight or a weight which throwsforward. A jockey on the horses neck adds to the forwardweight, and this moves the center of weight still further for-ward and places still more weight on the fore legs and equal- Types and Market Classes of Live Stock 319 ly less on the hind legs. It is like hanging heavy weights onthe front part of a mill wheel. Or, again, the longer the leve
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