JAPANESE ROTATIONAL BREEDING PLAN ROTATIONAL BREEDING PLAN (Known as Modoshi Kohai) For breeders who...
Transcript of JAPANESE ROTATIONAL BREEDING PLAN ROTATIONAL BREEDING PLAN (Known as Modoshi Kohai) For breeders who...
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JAPANESEROTATIONALBREEDINGPLAN(KnownasModoshiKohai)
ForbreederswhoareinfluencedbythistraditionalJapaneserotationalbreedingplan,promotedbywell-knownJapaneseWagyubreederShogoTakeda,anupdatedversionfollows–includingourbatteryofLoneMountainSires.Thesystemconsistsofsiresbeingdividedintogroups(eitherMarblingorFrame).Therearejusttworules:
First–Cowssiredby“Frame”Siresshouldbebredto“Marbling”and
Second–Cowssiredby“Marbling”Siresshouldbebredto“Frame”Sires
Asireisdeterminedtobeofoneofthesetwogroupsbyastraightforwardandeffectiveassessmenttool:theJapanese16-16Analysis.First,thecombinationofkeyregionalWagyustrainsisidentifiedoverfourgenerationsinanindividual’spedigree.Second,thecombinationsareanalyzedforthosestrains’likelyoutcomes.Withthatanalysisinmind,successfulbreedingchoicesaremadeclear.
KenichiOnoputsforthinhisbook100EliteWagyuSiresinJapan(VolI-III)adefinitionof“successfulbreeding”,whichisechoedbyTakaoSuzukiandMikeBuchananattheAustralianWagyuForum:
1. Understandthecharacteristicsofeachstrain2. Plancombinationstocoverweakpointsofindividualstrains3. Don’tover-emphasizeonestrain.4. Inthisway,onecanusethe16-16analysistogetasenseoftheoutcomeofbreeding
oneanimaltoanother.
Asapointofreference,thefollowingmajorstrainsandsub-strainsofJapaneseBlackWagyucommonlyexhibitthefollowingtraits:
• Okayama(Shimomae):LargeFrameSub-strains:Shimomae,Kiyokuni,Fujiyoshi,Itozakura
• Shimane:OutstandingStructure,StrongLength,Depth,andGoodMilkSub-strain:Itozakura
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• Tottori:LargeFrame,SuperiorMeat(Marbling)Quality,GoodMilkingSub-strains:Eiko,Kedaka
• Hyogo(Tajima):SuperiorMarbling,MostPopularSub-strains:YasumiDoi,KikumiDoi(akaKikuteruDoi),OkuDoi,Shigakananemi(akaKumanami),Shiroiti,Kanemon
THEROTATIONALBREEDINGSYSTEMGROUPSARELISTEDBELOW:[FRAME]
GROUPAFRAMESIRESARE:TFITOHANA2 ITOSHIGEFUJITF147 ITOMORITAKAETJ002
GROUPCFRAMESIRESARE:WKSKITAGUNIJR
WKSTAKAZAKURA
TFITOMICHI1-2
ITOZURUDOITF151
HIRASHIGETAYASUETJ001
LMCCSires:LMRKENICHI807T
LMRTOSHIRO1-3723T
BARR12PTAKAZAKURA
LMRSENSEI817T
LMRMICHIRO0193X
LMRYOSUKE5165C
LMRKATSURU4278B
LMRHAYAO5549C
LMRMASAHIKO1250Y
LMRKITAGUNI1441Y
LMRAKAHIGE8119U
LMRICHIBAN810T
LMRHIRASHIGETAYASU
462Z
LMRDAISUKE2470Z
LMRHAYAO5549C
LMRKAZUKI770T
LMRTAISUKE401B
A
BC
D
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[MARBLING]GROUPBMARBLINGSIRES:WKSSANJIROU
WKSYASUFUKUJR
JVPFUKUTSURU068
JVPKIKUYASU400
WKSMICHIFUKU
TERUTANITF40
KITATERUYASUDOIETJ003
ITOSHIGENAMITF148
KIKUTERUSHIGETF150
KIKUTSURUDOITF146
LMCCSires:BARRSANJIROU4P
LMRAOICHI2468Z
WKS-LMRMICHIFUKU
3500A
LMRHIROYUKI3492A
GROUPDMARBLINGSIRESARE:WKSHARUKIII WKSSHIGESHIGETANI
LMCCSires:
LMRYOJIMBO634S LMRMITSURU2450Z LMRKUROSAWA5301C
LMRHIRO0195X LMRHARUKICHI5106C LMRSHUNICHI5339C
LMRHIROSHI766T WKS-LMRMICHITSUGU3489A LMRYOSHIHIRO4335B
LMRSHICHIRO2403Z LMRYASUFUKU2416Z LMRKAZUHIRO351
LMRYASUMASA2428Z(CL16+) LMRHARUKIRO5340C
Withoneexceptionasnoted,AllLMCCSiresareGeneticDefectFREE–determinedbyparentageorbytest.LMCCsemenisdistributedbyORIgen,Huntley,MT–http://www.origenbeef.orgorcall;1-866-867-4436andasktospeakwithLoneMountainrepresentative.