Abstract

This study was carried out in 60 days to evaluate the effects of density of golden apple snails (GAS) on the growth and survival rate of black apple snails (BAS). The experiment was designed with 5 treatments such as 1).100% BAS, 2). 75% BAS:25% GAS, 3).50% BAS:50% GAS, 4).25% BAS:75% GAS and 5).100% GAS (by quantity) in triplicates. The snails’ initial weights were from 0.70 - 1.00 g and stocked in cultured tanks at the density of 200 snails/m2. Diet for snails included vegetable and pellet with ratio of 1:1(dry weight) and daily quantity feeding equivalent to 4% of snail biomass. Results showed that growth rate of BAS was lower than GAS in all treatments (p

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