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Nhan đề: Weaning methods using formulated feeds for snakehead (Channa striata and Channa micropeltes) larvae
Tác giả: Trần, Thị Thanh Hiền
Bùi, Minh Tâm
Trần, Lê Cẩm Tú
Từ khoá: Snakehead
Channa striata
Channa micropeltes
Năm xuất bản: 2017
Tùng thư/Số báo cáo: Aquaculture research;48 .- p.4774-4782
Tóm tắt: The culture of snakehead fish (Channa striata and Channa micropeltes) in Vietnam is limited, and snakehead culture has been banned in Cambodia, because traditional practices include capture of fingerlings from the wild as seed, as well as capture of small-size (also known as trash-fish or low-value) fish. As hatchery breeding technology has improved, we investigated the optimal weaning practices for these two species. Both laboratory experiments and farm trials were conducted. For C. striata, the optimal weaning procedure is to begin at 17 days after hatch (dah) and wean the fish at 10% replacement of live feed with formulated feed per day. However, for C. micropeltes, the optimal procedure is to wait until 40 dah to begin weaning and then to wean the fish with a 10% replacement of live feed with formulated feed every three days. These results should enable farmers to domesticate snakehead culture in Vietnam and Cambodia and eliminate reliance on fish captured from the wild as both seed and feed.
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