Investigating the Effect of Mixed Meals on Egg Development of A Mud Crab, Scylla olivac

Lee Winnie, - (2022) Investigating the Effect of Mixed Meals on Egg Development of A Mud Crab, Scylla olivac. [Final Year Project Report] (Unpublished)

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Abstract

The genus Scylla is commonly known as mud crab or mangrove crab, inhabit muddy substrate in estuaries and mangrove areas. Aquaculture of mud crabs is expanding due to increasing demand on crab meats in Asia. Mud crab wholesale prices may exceed MYR 80+/kg during peak season, as many people consider it a delicacy. The study of egg development crabs by applying alternate feeding technique are still poorly discovered. Hence, the study regarding egg development of mud crab by applying alternate feeding are important in order to provide farmers with a consistent supply due to the shortage in Malaysia and even other countries around the world. The study was conducted at Puncak Innovasi Sdn. Bhd., Kampung Seri Lalang, Batu Enam, Kluang, Johor with the Recirculation Aquaculture System (RAS). The source of brood stocks, female mud crab Scylla olivacea had been provided by ABCrabs Trading, Kluang. Alternate feeds such as squid, mussel, fish and cockle were fed in this study.The stages of ovarian maturity and the weight of mud crabs were recorded as proxy of egg development because it is correlated to the egg development. One-way ANOVA had been used to study the data collected. The repeated measure ANOVA test showed that the mixed feeds did not give significant effect on egg development of mud crab, Scylla olivacea

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