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OLS Field Name OLS Field Data
Main Title Notes on the Embryonic Period of the Pinfish Lagodon Rhomboides (Linnaeus).
Author Schimmel., Steven C. ;
CORP Author Environmental Research Lab., Gulf Breeze, Fla.
Year Published 1977
Report Number EPA/600/J-77/019 ;Contrib-281;
Stock Number PB-268 568
Additional Subjects Fishes ; Gonadotropins ; Embryology ; Dose rate ; Embryos ; Larvae ; Hormones ; Reproduction(Biology) ; Fertility ; Experimental data ; Reprints ; Lagodon rhomboides ; Pinfish
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NTIS  PB-268 568 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 6p
Abstract Adult pinfish, Lagodon rhomboides, were collected during September and October, 1974 and 1975. Following a minimum of one week holding period, females were initially injected with 200 IU human chorionic gonadotropin and injected with 400 IU every second day thereafter until mature ova (0.90-0.93 mm diameter) were produced. Ova were artificially fertilized and the embryonic period (sensu Balon, 1975) described and illustrated. Emergence occurred 48 hr after fertilization at 18C and eye pigmentation appeared 144 hr after fertilization. Larval total length at emergence was 2.3 mm; at 96 hr post-emergence, 2.7 mm; and at 120 hr post-emergence, 2.5 mm. Decrease in length and death of larvae after 96 hr post-emergence was probably due to malnutrition and subsequent infection.
Supplementary Notes Pub. in Florida Scientist, v40 n1 p3-6 1977.
NTIS Title Notes Final rept..
Title Annotations Reprint: Notes on the Embryonic Period of the Pinfish Lagodon Rhomboides (Linnaeus).
PUB Date Free Form 1977
Category Codes 6C; 57Z
NTIS Prices PC A02/MF A01
Primary Description 600/04
Document Type NT
Cataloging Source NTIS/MT
Control Number 323719758
Origin NTIS
Type CAT