National Producer Number definition, categories, type and other relevant information provided by All Acronyms. NPN stands for National Producer Number Search for acronyms, abbreviations,
Height Considerations. There are no height limits for jockeys. However, jockeys tend to be shorter than normal to meet the weight guidelines. The average height for a jockey is between 4 feet 10 inches and 5 feet 6 inches.eight Limits. Depending on specific race and track guidelines, a jockey must weigh between 108 and 118 pounds without clothing and equipment, which can add a significant number of pounds.
Proportion and Size. The Boxer is a medium built breed and males should measure 22.5 â 25 inches in height and the female counterpart should be a height of 21 â 23.5 inches. The breed does not have a size disqualification but it is undesirable for males to be below the minimum or females above the maximum.rainability. The Boxer is a very intelligent breed, which has many benefits when training but also drawbacks. The benefits are obvious in that they learn quickly and are eager to further their training education. The downside to working with such an intelligent breed is that they also can and do think on their own.