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Table 2 Retrospective analysis 1: Results for practices that did not use the extended-release moxidectin injectable ProHeart® 6 or ProHeart® 12

From: Retrospective analyses of heartworm (Dirofilaria immitis) disease and ectoparasite preventive medication compliance in veterinary practices in the USA

Product

Time period covered by doses dispensed annually

Corresponding monthly doses per year

Number of dogs

Proportion (%)

Monthly doses per dog dispensed annually

MHWP

1–3 months

2

324,185

22.0

 
 

4–5 months

4.5

28,729

2.0

 
 

6 months

6

500,686

34.0

 
 

7–9 months

8

95,987

6.5

 
 

10–11 months

10.5

28,089

1.9

 
 

12+ months

12

493,594

33.5

 
 

SUM

 

1,471,270

100.0

7.3

  1. Dogs were classified according to the number of doses of monthly heartworm preventives (MHWP) that were dispensed over the 12-month observation period. The weighted average dose per dog was calculated, considering the number of dogs in each dose group