Year of publication 1988

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Pages p. 7

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Author Manob Tangtrongpiros, Khamchai Lawonyawut and Sujin Nukwan;Fisheries and Aquaculture Management Division

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Product type Project

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Category Programme / project report

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Edition 1

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Synopsis (short abstract) The experiments were carried out by the biologists in the Aquaculture Research Group, of the National Inland Fisheries Institute. Urine was collected from pregnant women during 2–3 months of gestation at Rajavidhi Hospital. The crude hormone was extracted by acetone precipitation method. Hormone powder was obtained by using freeze drier technique. The amount of HCG was measured by Double Antibody Quantitative HCG Radioimmunoassay. Hormone was kept in the vials with 5,000 IU per vial. Total amoun t of 156 vials or 780,000 IU were produced during December 1986 – July 1987. The cost of hormone production per vial was 7.12 baht. Produced hormone can be used effectively for induced spawning of all types of catfish such as Clarias macrocephalus, Clarias batrachus and Pangasius sutchi.

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Language English

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