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    The effects of stocking densities on growth and survival of Penaeus vannamei in cow manure-enriched ponds

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    ficcpps_p170.pdf (215.0Kb) Open Access
    Downloads: 1,092
    Date
    1985
    Author
    Lee, Cheng Sheng
    Sweeney, James N.
    Richards, Billy
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    1,373
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    Abstract
    Ecuadorian Penaeus vannamei were stocked in eight dirt ponds (approximately 163 m2) at four different types of density, i.e., 5 shrimp/m2, 10 shrimp/m2, 15 shrimp/m2, and 20 shrimp/m2. The initial body weight ranged between 1.1 and 3.8 g. No commercial feed was given to the shrimp. The only input to the pond was 30 kg of cow manure/week. Shrimp were sampled either weekly or bi-weekly for body weight measurements. Water quality parameters, such as temperature, pH, DO and turbidity were recorded twice daily; nutrients (nitrite, nitrate, ammonium and phosphate) and BOD were measured twice weekly. The chemical composition of the cow manure was analyzed. After 14 weeks' experiment, the shrimp were harvested, weighed and counted. Survival and total yield were compared among treatments.

    The results showed negative correlation between stocking density and growth. The weekly growth of shrimp was between 0.7 and 1.0 g. There was no relationship between stocking density and survival. Survival averaged 68%. The most suitable stocking density should be judged by profit. However, the total yield of shrimp was higher in the higher stocking density.
    Description
    Abstract only.
    URI
    http://hdl.handle.net/10862/904
    Suggested Citation
    Lee, C. S., Sweeney, J. N., & Richards, B. (1985). The effects of stocking densities on growth and survival of Penaeus vannamei in cow manure-enriched ponds (Abstract only). In Taki Y., Primavera J.H. and Llobrera J.A. (Eds.). Proceedings of the First International Conference on the Culture of Penaeid Prawns/Shrimps, 4-7 December 1984, Iloilo City, Philippines (p. 170). Iloilo City, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.
    Type
    Oral presentation
    ISBN
    9718511008
    Subject
    Growth; Pond culture; Shrimp culture; Stocking density
    Collections
    • Proceedings of the First International Conference on the Culture of Penaeid Prawns/Shrimps [79]


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