Abstract

1. 1. Isozyme patterns of 24 and 72 hr post-hydration Artemia uromiana (AU) nauplii and adults AU were compared with other bisexual and parthenogenetic Artemia strains using isoelectric focusing of proteins. 2. 2. Esterase (EST) and phosphoglucose isomerase (PGI) patterns reveal bisexual and parthenogenetic Artemia inhabit Uromiah Lake, Iran. 3. 3. AU genotypes were better differentiated by isozymic patterns from nauplii than from the adults. 4. 4. Unique differences exist in the isozyme patterns of both parthenogenetic AU and bisexual AU compared to other strains having similar genotypes. 5. 5. Individually isolated premature AU females became reproductive (parthenogenetic) or nonreproductive (bisexual). 6. 6. Parthenogenetic females produced 100% females and bisexual females introduced to males produced a mixture of males and females.

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