94 

 

(6)

 

(Anas 

Platyrhynchos)

(Mylopharyngodon Piceus 

Richardson)(Clarias Batrachus)

(7,8)

(9)

(10)

 

(11)

(2,11)

(12-15)

 
100%

21

30

40

 89.2%

59.7%

46.0%

(16)

(14)

 

(Fentin Acetate)

(2,12,16)

1997

9

1999

1

1

(6)

(Metaldehyde)
(Niclosamidc)

6%(Metaldehyde)

80%

70%

(Niclosamidc)
2,4384,900

4,250

(17)

3~4 cm

4内

(13)