Abstract:
:This study compared the growth rates of female masu salmon Oncorhynchus masou, who possessed a male-specific gene marker, the growth hormone pseudogene (GHp), and normal females, as estimated from their scale growth. There was a difference between the growth rates of GHp-positive females and those of normal females of the same age during the ocean period, although their growth rates during the river period were similar. These results suggest that GHp-positive salmonid females exhibit male-like characteristics such as reduced feeding activity during the ocean period, which depresses their growth.
journal_name
J Fish Bioljournal_title
Journal of fish biologyauthors
Yamamoto T,Kitanishi Sdoi
10.1111/jfb.12275subject
Has Abstractpub_date
2014-01-01 00:00:00pages
256-62issue
1eissn
0022-1112issn
1095-8649journal_volume
84pub_type
杂志文章abstract::This study was conducted to evaluate the potential pathogenicity of the bacterium Flavobacterium columnare on rainbow trout Oncorhynchus mykiss eyed eggs. Survival to hatching was unaffected by the inclusion in the incubation water of either 300 colony-forming units (CFU) ml(-1) or 3000 CFU ml(-1) of F. columnare at e...
journal_title:Journal of fish biology
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journal_title:Journal of fish biology
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更新日期:2016-01-01 00:00:00
abstract::Neoheterobothrium hirame a haematophagous monogenean parasite on Japanese flounder Paralichthys olivaceus occurred at high prevalences (> 70%) from 1999 to 2002 but thereafter declined and remained low (< 20%) from 2003 to 2005 in the Joban area, Japan. In 2006, N. hirame became abundant again reaching a prevalence of...
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