Effect of light intensity on maturation and spawning of ablated female Penaeus merguiensis

Autor:	Tung Hoang, S.Y. Lee, Clive P. Keenan, Gay E. Marsden
Rok vydání:	2002
Předmět:	genetic structures biology urogenital system Decapoda Ecology Luminous intensity Aquatic Science biology.organism_classification Fecundity Crustacean Spawn (biology) Light intensity Animal science Sexual maturity sense organs Penaeus reproductive and urinary physiology
Zdroj:	Aquaculture. 209:347-358
ISSN:	0044-8486
DOI:	10.1016/s0044-8486(01)00814-6
Popis:	The effect of three levels of light intensity (BRIGHT: 1100 lux; DIM: 2 lux; and DARK: 0 lux) on ovarian maturation and spawning of Penaeus merguiensis was investigated. The proportion of spawners, latency period, spawning rate, fecundity, spawning interval and number of days spent at stage IV per spawn were not significantly different (P>0.05) among the three light intensity treatments. Compared to dim light, bright light did not adversely affect the maturation and reproductive performance of ablated prawns. However, the percentage of spawning at stage III (31.6%) and mortality (26.7%) were significantly higher in the DARK treatment (P
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::55a72e3423baecb5799fb6ac54fb401d https://doi.org/10.1016/s0044-8486(01)00814-6 Zobrazit plný text záznamu Full Text from ScienceDirect