Manila clam pedigree and breeding process thereof
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Dec 29, 2008
filing date -
Dec 29, 2008
priority date (Note) -
Abandoned
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Abstract
A process for breeding a Manila clam pedigree, includes: directively breeding present Manila clam pedigrees having different shell shapes to obtain a shell shape pedigree (A) having best phenotypic character; directively breeding the shell shape pedigrees (A) from different geographical populations to obtain a geographical population pedigree (B) having best phenotypic character; directively breeding the geographical population pedigrees (B) having different shell colors to obtain a growth shell color pedigree (C) of fastest growth and a resistance shell color pedigrees (E) of highest stress resistance; hybridizing the growth shell color pedigree (C) and the resistance shell color pedigree (E) to obtain a first hybridied pedigree (F.sub.1) of faster growth and higher stress resistance than the present Manila clam pedigrees; and directively breeding the first hybridied pedigree (F.sub.1) to obtain a second hybridied pedigree (F.sub.2) maintaining faster growth and higher stress resistance than the present Manila clam pedigrees.
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