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The fur color of mammals is mainly determined by melanin synthesized by melanocytes. Cell staining includes melanocyte development, melanin synthesis and metabolism, and signal pathways regulating melanin synthesis. Melanocytes can be classified into many types, and these types can be identified by a variety of melanocyte markers. Fur color can judge the physical condition and nutritional status of animals, and different fur colors may have certain influence on animal production. This paper reviews the structural basis and development cycle of mammalian fur color formation, describes the cytochrome process from neural crest to mature melanocytes residing in several tissues, summarizes the types of melanocytes and the markers of each type of melanocytes, and discusses the application of animal coat color in animal production, providing help for analyzing the genetic mechanism of mammalian fur color formation and providing effective suggestions for animal production affected by fur color. [ABSTRACT FROM AUTHOR]