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Table 4 Cat owner ectoparasiticide purchases with and without gaps

From: Analysis of gaps in feline ectoparasiticide purchases from veterinary clinics in the United States

Doses purchased Fluralanera
(n = 27,138)
Fipronil/s)-methoprene/pyriproxyfen (n = 10,171) Imidacloprid/pyriproxyfen (n = 3480) Selamectin (n = 74,064)
1 dose
Total N (% of total)
18,265
(67%)
3609
(35%)
1903
(55%)
28,044
(38%)
2–12 doses (%) (33%) (65%) (45%) (62%)
Total purchasing > 1 dose 8873 6562 1577 46,020
No Gap
N (%)
3699
(42%)
4950
(75%)
975
(62%)
31,587
(69%)
urchase Gap
N (%)
5174
(58%)
1612
(25%)
602
(38%)
14,433
(31%)
Purchased ≥ 2 doses 8873 6562 1577 46,020
Total with 1–2 dose gap 4301 848 395 8429
% with gap 48% 13% 25% 18%
Ave. Gap (Weeks) 11.2 13.9 13.3 12.9
Purchased ≥ 3 doses 3657 5220 1110 36,818
Total with 2–3 dose gap 1730 485 238 4183
% with gap 47% 9% 21% 11%
Ave. Gap (Weeks) 7.7 12.2 10.0 10.2
Purchased ≥ 4 doses 1671 3374 871 28,463
Total with 3–4 dose gap 647 373 113 3262
% with gap 39% 11% 13% 11%
Ave. Gap (Weeks) 4.5 12.7 10.2 10.2
Purchased ≥ 5 doses 407 2411 600 25,581
Total with 4–5 dose gap 103 239 107 1625
% with gap 25% 10% 18% 6%
Ave. Gap (Weeks) 2.5 10.1 11.1 8.2
Purchased ≥ 6 doses   2200 533 24,189
Total with 5–6 dose gap   79 37 833
% with gap   4% 7% 3%
Ave. Gap (Weeks)   6.6 5.7 5.6
Purchased ≥ 7 doses   1155 236 12,029
Total with 6–7 dose gap   134 36 2164
% with gap   12% 15% 18%
Ave. Gap (Weeks)   10.0 9.0 9.1
Purchased ≥ 8 doses   1014 199 10,445
Total with 7–8 dose gap   42 7 428
% with gap   4% 4% 4%
Ave. Gap (Weeks)   5.9 3.0 4.3
Purchased ≥ 9 doses   603 105 7327
Total with 8–9 dose gap   35 8 361
% with gap   6% 8% 5%
Ave. Gap (Weeks)   6.2 3.3 5.4
Purchased ≥ 10 doses   339 89 5732
Total with 9–10 dose gap   23 5 276
% with gap   7% 6% 5%
Ave. Gap (Weeks)   5.6 5.6 4.4
Purchased ≥ 11 doses   289 77 5206
Total with 10–11 dose gap   5 3 131
% with gap   2% 4% 3%
Ave. Gap (Weeks)   3.8 2.3 3.2
Purchased 12 doses   251 69 4845
Total with 11–12 dose gap   2 1 40
% with gap   1% 1% 1%
Ave. Gap (Weeks)   2.0 1.0 2.7
  1. aBecause fluralaner topical has a 12- week dosing interval for most parasites on the product label, a maximum of 5 doses fluralaner topical purchases were considered for the 12-month period studied