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Good management practices course and social technologies for aquaculture farmers in Marajó, Pará, Brazil

The objective of this study was capacitate aquaculture farmers and develop social technologies for the culture of tambaqui (Colossoma macropomum) in the archipelago of Marajó (Pará Brazil). The study was carried out in the municipality of Curralinho by the Federal Institute of Education, Science and Technology of Pará (IFPA) Campus Breves, in March 2020. Two structured questionnaires were applied to 13 course participants who participated in the training. The first was before the course, about fish farming and the adoption of Good Management Practices (BPM) adopted by aquaculture farmers in the Marajó region. The second, composed of closed questions to evaluate the training course, whose themes were: 1) water quality, 2) indicated species, 3) fish transport management, 4) fish quarantine and stock, 5) fish biometrics, 6) liming and fertilizing ponds, 7) management of fish nutrition and health, and 8) fish harvesting and slaughter, were approached in the course. At the end of the lectures/training, a workshop for the production of social technologies was conducted, among students, teachers and aquaculture farmers. Previous knowledge about fish farming and the adoption of BPM were essential for the effectuation of the course. Issues about water quality, biometrics and fish nutrition and health were the ones that called the most attention from aquaculture farmers. Secchi's disk, ichthyometer, hand net and nettank were the social technologies built. Post-course evaluation was essential to understand the impact of the socialization of knowledge provided to the community. In conclusion, the project reinforced teaching, research and extension actions, involving the community in favor of strengthening aquaculture in the Marajó island, Pará, Brazil.