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Table 2 Faecal egg count reduction percentages (%FECR) and 95% confidence intervals (CI) calculated by the faecal egg count reduction test (FECRT) 10–14 days after anthelmintic treatments in alpacas naturally infected with gastrointestinal nematodes on 20 alpaca farms in Australia

From: Anthelmintic resistance in gastrointestinal nematodes of alpacas (Vicugna pacos) in Australia

Farm no.

%FECR (95% CI) of anthelmintics

Monepantel

Q-drencha

Closantel

Fenbendazole

Ivermectin

Moxidectin

1

100

NTb

98 (93–100)

64 (-55–95)

42 (-270–91)

NT

2

98 (94–100)

NT

54 (-3–80)

-60 (-286–33)

-329 (-1157–46)

NT

3

99 (90–100)

100 (94–100)

86 (17–98)

NT

40 (-224–87)

NT

4

99 (87–100)

99 (96–100)

93 (66–98)

87 (34–97)

45 (-217–91)

NT

5

100

100

92 (72–97)

56 (-44–87)

-58 (-589–63)

NT

6

95 (75–99)

100

25 (-168–79)

44 (-250–91)

-31 (-293–56)

NT

7

98 (78–100)

100

80 (-1–96)

8 (-254–76)

21 (-269–83)

NT

8

100

100

34 (-32–67)

58 (11–80)

87 (54–97)

NT

9

100

100

-65 (-1291–80)

-522 (-4368–14)

-7 (-618–84)

NT

10

97 (75–100)

99 (92–100)

29 (-44–65)

55 (-7–81)

2 (-280–74)

39 (-355–92)

11

100

96 (67–100)

66 (10–87)

15 (-201–76)

NT

93 (65–98)

12

100

100

97 (81–99)

75 (-59–99)

NT

98 (84–100)

13

100

99 (92–100)

90 (47–98)

94 (82–98)

NT

99 (85–100)

14

100

99 (86–100)

95 (69–99)

-203 (-1396–39)

NT

98 (84–100)

15

100

100

49 (-104–87)

70 (13–90)

NT

100

16

100

93 (42–99)

96 (79–99)

50 (-174–91)

NT

1 (-566–85)

17

100

100

-194 (-1262–37)

9 (-118–62)

NT

89 (-2–99)

18

100

100

96 (48–100)

78 (-33–96)

NT

90 (23–99)

19

99 (85–100)

99 (85–100)

-13 (-327–70)

-147 (-848–36)

NT

100

20

100

100

-96 (-3257–89)

-18 (-1560–92)

NT

100

  1. aQ-drench contains levamisole, closantel, albendazole, abamectin
  2. bNT not tested