The chemical composition of the test feed ingredients is shown in
Table 2. Groundnut cake was purchased from Vinh Long province and
shrimp head meal from Kien Giang province. Soybean meal and fish
meal were purchased from the local market (AFIEX plant) in Long
Xuyen city, An Giang province. Cassava leaves and sweet potato leaves
were collected during the harvest period from farms in the Tri Ton and
Cho Moi districts of An Giang province, respectively. The leaves were
cleaned with freshwater, sun-dried for 2–3 days and then milled to a
meal. Golden apple snails were purchased from farmers in Cho Moi
district, An Giang province, and TamNong district, Dong Thap province.
Only the meat of the golden apple snails was collected and it was
cleaned with freshwater and sun-dried for 3 days before use.