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Table 4 Adult D. immitis recovered at necropsy

From: Efficacy of four commercially available heartworm preventive products against the JYD-34 laboratory strain of Dirofilaria immitis

Treatment group

Animal ID

Male D. immitis

Female D. immitis

Total D. immitis

Ivermectin/Pyrantel

IDF-2

2

3

5

(Group 1)

UHH-2

12

3

16 a

 

VTH-2

10

5

15

 

IOF-2

12

2

14

 

BFG-2

5

7

13 a

 

PXC-2

6

8

15 a

 

VVH-2

12

7

19

 

GSC-2

5

8

13

Total

   

110

Milbemycin/Spinosad

FCG-2

6

1

7

(Group 2)

IUE-2

2

0

3 a

 

UDH-2

9

4

14 a

 

VCG-2

3

1

4

 

TPH-2

6

8

15 a

 

XBH-2

7

4

12 a

 

EZG-2

4

3

8 a

 

KUH-2

11

7

18

Total

   

81

Selamectin

OFF-2

7

9

17 a

(Group 3)

VUH-2

4

4

9 a

 

EYE-2

6

2

9 a

 

UKG-2

4

8

13 a

 

AVG-2

9

5

15 a

 

GPG-2

12

4

16

 

ZXG-2

13

5

18

 

GDE-2

7

3

11 a

Total

   

108

Imidacloprid/Moxidectin

DIH-2

0

0

0

(Group 4)

UYH-2

0

0

0

 

CGH-2

0

0

0

 

FKC-2

0

0

0

 

FJC-2

0

0

0

 

VZG-2

0

0

0

 

LAG-2

0

0

0

 

THH-2

0

0

0

Total

   

0

Non-treated Control

UTH-2

5

11

17 a

(Group 5)

GKC-2

7

7

15 a

 

TWH-2

9

9

18

 

EDG-2

9

8

18 a

 

RAF-2

6

15

21

 

CRC-2

11

7

18

 

TJH-2

4

9

13

 

IXG-2

19

13

32

Total

   

152

  1. aIntact heartworms were enumerated by gender. If worm pieces/ fragments were also recovered, one additional worm was added to the count for that dog