Field practice report on the nursery of Donkey ear Abalone (Haliotis asinina) in Southeast Asian Fisheries Development Center Aquaculture Department (SEAFDEC/AQD [manuscript]
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Date
2018
Authors
April A. Doring
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Abstract
The field practice focused on the nursery of donkey ear abalone and was conducted at Southeast Asian Fisheries Development Center Aquaculture Department (SEAFDEC/AQD) located at Barangay Buyu-an, Tigbaun, Iloilo from June 21, 2016 to July 20, 2016. The activities done on nursery are tank preparation, egg, and veliger counting, rearing, stocking and settlement of veliger larvae and early juveniles, cleaning of tanks, trays, hapas and floating/hanging cages, sampling and sorting.
Abalone species are gastropods which are slow-growing, composed of one shell and lives in rocky and shallow waters near stands of algae. Their shell is characterized by a shallow, ear shaped shell with a series of respiratory holes along the dorsal lateral shell margin. The strength of the station which is good for the growth of abalones is the availability of sea water.