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Genetic Selection Programs in Shellfish and Shrimp Species. Ana Catarina Silva n º 29817 Joana Marques nº29824 Paulo Mira Fernandes n º 29830 . Why Genetic selection is a important tool for Aquaculture?. Growth improvement Disease resistance Survival rate . Introduction.
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Genetic SelectionPrograms in ShellfishandShrimp Species Ana Catarina Silva nº 29817 Joana Marques nº29824 Paulo Mira Fernandesnº 29830
Why Genetic selection is a important tool for Aquaculture? Growth improvement Disease resistance Survival rate Introduction Breeding Programs
Shrimp Argue et al. 2002 Litopenaeusvannamei Randomly selected fast-growers Growth Disease Resistance Growth Improvement Li et al. 2006 and Moss et al. 2007 Fenneropenaaeuschinensisand Litopenaeusvannamei
Shrimp Li et al. 2006 Fenneropenaeuschinensis Mass selection Selected for Taura Syndrome Virus (one gene resistance) Lacks selection for polygenic resistance to other viruses (WSSV) Disease resistance
Oysters VIMS, 2010 Crassostreavirginica Overtime, triploidindividualspresented a highergrowth rate Environmentalconditions? Growth Improvement Growthenergybudget? Kinsale York Lynnhaven
Oysters VIMS, 2010 Crassostreavirginica Disease Resistance
Oysters VIMS, 2010 Crassostreavirginica Overtime, triploidindividualspresented a highersurvival rate Highertolerance to salinity? Survival Rate Kinsale York Lynnhaven
Clams Triploid species may be considered almost sterile. Can tripoidy be an advantage to the improvement of growth? El-Wazzan and Scarpa, 2009 Mercenariamercenarianotata Growth Improvement 14 and 15-18 weeks old clams Triploid individuals grew less than diploid. But, Under stressful conditions triploid clams may present better growth rates.
Clams Growth Improvement El-Wazzan and Scarpa, 2009