SEAFDEC/AQDINSTITUTIONAL REPOSITORY
    • English
    • 日本語
    • ไทย
    • Bahasa Indonesia
  • English 
    • English
    • 日本語
    • ไทย
    • Bahasa Indonesia
  • Login
View Item 
  •   SEAFDEC/AQD Institutional Repository Home
  • 03 SEAFDEC/AQD External Publications
  • Journal Articles, Conference Papers and Book Chapters by SEAFDEC Staff
  • Journal Articles
  • View Item
  •   SEAFDEC/AQD Institutional Repository Home
  • 03 SEAFDEC/AQD External Publications
  • Journal Articles, Conference Papers and Book Chapters by SEAFDEC Staff
  • Journal Articles
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Hatchery production of Oreochromis niloticus L. at different sex ratios and stocking densities

  • Global styles
  • MLA
  • Vancouver
  • Elsevier - Harvard
  • APA
  • Help
Thumbnail
View/Open
Request a copy
Date
1988
Author
Bautista, Antonio Ma.
Carlos, Manuel H.
San Antonio, Antonio I.
Page views
3,335
Subject
hatcheries ASFA
culture tanks ASFA
yields ASFA
fish culture ASFA
stocking density ASFA
sex ratio ASFA
seed production ASFA
fry ASFA
fish eggs ASFA
breeding stock ASFA
cage culture ASFA
Oreochromis niloticus AGROVOC
Metadata
Show full item record

Cited times in Scopus



Share 
 
Abstract
The influence of various sex ratios and stocking densities on hatchery production of Nile tilapia, Oreochromis niloticus L., was studied in land-based (concrete tanks) and lake-based (hapa nets) systems. In both hatchery systems, egg and fry production was maximum at a sex ratio of 4:1 females to males and a density of 4 females per m2.

Seed production varied significantly among treatments at different periods of the year. In concrete tanks, significantly high seed production of 12.98 and 11.77 eggs and fry per spawner per day was obtained in March and August, respectively. In hapa nets, irrespective of sex ratios, 10.18 seeds per spawner were collected daily in March.

In relation to the broodstock density in concrete tanks, significantly bigger daily harvests of 13.41 and 13.00 eggs and fry per spawner were produced in late February and March, respectively. In hapa nets, daily harvests of 8.95 and 7.74 eggs and fry per spawner were the highest seed production levels which occurred in April and March, respectively.

Seed production was significantly higher in concrete tanks than in hapa nets while insignificant differences (P>0.05) were found among sex ratio and broodstock density treatments.
Description
Contribution No. 228 of the Aquaculture Department, SEAFDEC.
URI
http://hdl.handle.net/10862/1218
Suggested Citation
Bautista, A. M., Carlos, M. H., & San Antonio, A. I. (1988). Hatchery production of Oreochromis niloticus L. at different sex ratios and stocking densities. Aquaculture, 73(1–4), 85-95. https://doi.org/10.1016/0044-8486(88)90043-9 
DOI
10.1016/0044-8486(88)90043-9
Type
Article
ISSN
0044-8486
Collections
  • Journal Articles [1164]

Related items

Showing items related by title, author, creator and subject.

  • Thumbnail

    Growth and survival of Nile tilapia fingerlings in net cages without supplemental feed in Laguna Lake, Philippines 

    Basiao, Zubaida; San Antonio, Antonio (Asian Fisheries Society, 1986)
    Oreochromis niloticus fingerlings were stocked at densities of 50, 100, 150 and 200 fish/m super(2) in fixed net cages in Laguna Lake, Philippines. These were reared without supplemental feed on 1 April-30 July 1980, 5 ...
  • Thumbnail

    Milkfish production and processing technologies in the Philippines 

    Yap, Wilfredo G.; Villaluz, Antonio C.; Soriano, Ma. Gracia G.; Santos, Mary Nia (WorldFish Center, 2007)
    This publication describes the various aspects of milkfish production in the Philippines. It covers these areas 1) technology development from a historical perspective, 2) milkfish seed production 3) grow-out in brackishwater ...
  • Thumbnail

    Tilapia hatchery and nursery systems: Operation and management 

    Bautista, Antonio M. (Philippine Council for Agriculture, Forestry and Natural Resources Research and Development; Bureau of Fisheries and Aquatic Resources; Aquaculture Department, Southeast Asian Fisheries Development Center, 1987)
    The successful and profitable production of Tilapia nilotica in ponds or cages is predominantly influenced by the environment and hereditary traits of the stock. Therefore, stocking of high quality fingerlings is a major ...

© SEAFDEC/AQD  2022
Contact Us | Send Feedback
 

 

Browse

All of SAIRCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

My Account

LoginRegister

Statistics

View Usage Statistics

© SEAFDEC/AQD  2022
Contact Us | Send Feedback
 

 

Export citations

Export the current results of the search query as a citation list. Select one of the available citation styles, or add a new one using the "Citations format" option present in the "My account" section.

The list of citations that can be exported is limited to items.

Export citations

Export the current item as a citation. Select one of the available citation styles, or add a new one using the "Citations format" option present in the "My account" section.

Export Citations

DOCUMENT REQUEST NOT AVAILABLE

This publication is still available (in PRINT) and for sale at AQD bookstore. The library is currently restricted to send PDF of publications that are still for sale.

You may contact bookstore@seafdec.org.ph or visit AQD bookstore for orders.

FILE UNDER EMBARGO

This file associated with this publication is currently under embargo. This will be available for download after the embargo date.