Feeding longsnout seahorse Hippocampus reidi broodstock at different frequencies influences production of eggs and quality of the offspring

Research Square (Research Square), Journal Year: 2023, Volume and Issue: unknown

Published: Sept. 6, 2023

Abstract This study determined the optimum feeding frequency for Hippocampus reidi breeders by evaluating their zootechnical and reproductive parameters, quality of larvae (resistance to starvation), fatty acid profile oocytes. Twelve breeding couples (aprox. 27g; 18 cm per individual) were fed daily with enriched caridean shrimp Palaemon sp. until apparent satiation during 101 days. Four frequencies tested in triplicate: one (F1), two (F2), three (F3) four (F4) feedings day. Breeders from both sexes just once a day had lower weight gain specific growth rates than other treatments (P<0.05). Newly born size values (2.06 ± 0.11 mg; 7.9 0.06 mm) F3 F4 higher receiving or (1.62 0.17 6.7 0.05 mm). Number parturition (928.5) was almost double number F1 F2. The longest time resistance food deprivation observed F4, where 100% mortality occurred 96 hours. A concentration polyunsaturated acids, arachidonic (AA) docosahexaenoic (DHA) treatments. It is therefore recommended that when H. are shrimp, times should be offered obtain best performance them, highest quantity produced.

Language: Английский

Effect of human chorionic gonadotrophin (HCG) and luteinizing hormone releasing hormone A3 (LHRH-A3) on reproduction and development of brood pouch in Hippocampus erectus

Aquaculture, Journal Year: 2023, Volume and Issue: 578, P. 740108 - 740108

Published: Sept. 16, 2023

Language: Английский

Feeding longsnout seahorse Hippocampus reidi broodstock at different frequencies influences production of eggs and quality of the offspring

Aquaculture International, Journal Year: 2023, Volume and Issue: 32(4), P. 4045 - 4060

Published: Dec. 16, 2023

Language: Английский