The first was the uncertainty of possible health problems the second was the need for missing information. When breeders first began to analyze their pedigrees, two problems caused them to hesitate when selecting stud dogs and brood bitches. Thus, when the frequency of a trait or disease occurred with regularity among the ancestors, it served as a signal that something is likely to be heritable. Over the years breeders learned that some of the most important uses of a pedigree were to identify the dogs that were carriers along with those that could be counted on to make an improvement. Now, after more than six centuries, the practice of using it as a primary breeding tool continues. The drawn pedigree was first used in the breeding of cattle and other domestic livestock. The term pedigree is an old word which is derived from the French "pied de grue", meaning crane's foot. The serous breeder of purebred dogs doesn't have that problem. Some people live an entire lifetime and wonder if they have ever made a difference in what they are doing. Books & VINcyclopedia of Diseases (Formerly Associate).VINcyclopedia of Diseases (Formerly Associate).
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