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A Method for Discriminating a Japanese Chicken, the Nagoya Breed, Using Microsatellite Markers¹

A. Nakamura^*, K. Kino^*, M. Minezawa, K. Noda^* and H. Takahashi^,2,3

^* Poultry Laboratory, Animal Husbandry Research Division, Aichi-ken Agricultural Research Center, Sagamine, Yazako, Nagakute, Aichi 480-1193, Japan; and Laboratory of Animal Genetic Resources, Genebank, National Institute of Agrobiological Sciences, Tsukuba 305-8602, Japan

² Corresponding author: naoe{at}affrc.go.jp

The Nagoya breed native to Japan is popular as a dual-purpose breed for eggs and meat. The current study describes a method to discriminate between the Nagoya breed and other breeds and commercial stocks of chicken. Four strains of the Nagoya breed established at the Aichi-ken Agricultural Research Center were analyzed using 25 microsatellite markers. In these strains, 5 of the markers (ABR0015, ABR0257, ABR0417, ABR0495, and ADL0262) had a single allele. Other chicken samples (448) of various breeds and hybrids were analyzed using the same 5 markers. None of these chicken samples had the same allele combination as the Nagoya breed strains. These 5 microsatellite markers provide a practical method to accurately discriminate the Nagoya breed from other chicken breeds.

Key Words: chicken • breed discrimination • microsatellite marker • Nagoya breed • genetic uniformity

¹ This study was supported in part by grants from the Integrated Research Program for Functionality and Safety of Food Toward the Establishment of a Healthy Diet, a program by the Ministry of Agriculture, Forestry and Fisheries of Japan and the Ito Foundation, Tokyo, Japan.

³ Present address: Animal Breeding and Reproduction Research Team, National Institute of Livestock and Grassland Science, Ikenodai 2, Tsukuba 305-0901, Ibaraki, Japan.

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