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sire guide intro

sire guide intro

jvp fukutsuru 068

sire michifuku

sire sanjirou

sire shigeshigetani

sire yasufuku

sire yasufuku

sire takazakura

sire itoshigenami

sire kikutsunudoi

jvp kikuyasudoi 400


sire guide intro

dai 7 itozakura

kitaguni 7-8 J1530

kitaguni jr

tf itohana 2

tf itomichi

sire itoshigefuji

sire itozurudoi

sire guide intro

dai 20 hirashige j287

hirashigetayasu j2351


The main sire lines exported from Japan in the 1990s were Tajima (or Tajiri), Fujiyoshi (or Shimane) and Kedaka (or Tottori).

Tajima sires are known for fine marbling, excellent beef quality, a smaller frame size, and a somewhat lower rate of growth. Tajima sires from the Hyogo Prefecture produce the only genuine Kobe Beef. Fukutsuru 068, Michifuku, Sanjirou, and Kitateruyasudoi J2810 (ETJ 003) are some of the elite marbling Tajima sires that provide the base of the Lone Mountain Wagyu herd.

Fujiyoshi sires produce well-balanced cattle that present larger frame size, good growth, and strong mothering abilities, though with somewhat coarser marbling. Dai 7 Itozakura J65 is the most famous sire in this line, and his descendants - TF Itohana 2, Kitaguni Jr., and Itoshigefuji TF147, to name a few — are now used in the Lone Mountain breeding program.

Kedaka lines from the Tottori District descend from the sire Kedaka J7212. They exhibit good growth and larger frames, and are known for their fine, loose skin. The most influential Kedaka sire is Dai 20 Hirashige J287, whose semen is still used in Japan, though it is extremely rare and very expensive. His son, Hirashigetayasu (ETJ 001) J2351, is being used at Lone Mountain; another son, Hirashigekatsu, is currently one of the most popular sires in Japan.

The premier Japanese breeder, Shogo Takeda, used Modoshi Kohai – the classic Japanese “rotation breeding” plan: mating a high-marbling female to a sire known for size or frame, and then back-crossing to a marbling sire, producing a large animal of good marbling, milk production, and calf-raising potential. Lone Mountain wholeheartedly embraces this Wagyu breeding philosophy. We started our Fullblood Wagyu herd with selected Tajima bloodlines and are now out-crossing to both the Dai 7 Itozakura and Dai 20 Hirashige lines in order to add size and frame, with the intention of back-crossing those females to high-marbling sires.

In order to fully underscore the quality of these pedigrees, we have included the following progeny metrics: BMS (Beef Marbling Standard), ADG (Average Daily Gain, in lbs.), YG (Yield Grade, a percentage score), and REA (Ribeye Area, in cm2). It should be noted that the BMS scores here are derived from part two of the Japanese progeny test, which yields a lower BMS score for two reasons: first, it is scored on a scale of 1 to 5 (not 1 to 12), and second, the progeny was butchered at a young age, before the natural marbling process could run its full course. These BMS scores are therefore lower than would occur for finished feeders.