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Table 1 Blood microfilaremia associated with experimental infections with two suspected ML-resistant isolates of D. immitis

From: Does evaluation of in vitro microfilarial motility reflect the resistance status of Dirofilaria immitis isolates to macrocyclic lactones?

Yazoo-2013.1 Metairie-2014
Day post infection Dog MF/mL Days post infection MF/mL
212 Dog 1 1 183 0
Dog 2 11
246 Dog 1 75 215 50
Dog 2 350
286 Dog 1 550 245 1275
Dog 2 975
320 Dog 1 2400 280 9325
Dog 2 4500
348 Dog 1 2950 323 14,325
Dog 2 5925
381 Dog 1 2825 416 32,175
Dog 2 3675
411 Dog 1 3675 665 62,400
Dog 2 3675
446 Dog 1 2550 721 75,500
Dog 2 4000
    847 54,275
  1. Only one dog was used in the isolation of Metairie-2014. Heartgard Plus was administered to the dogs at 30, 60, 90, 120, 150 and 180 days post infection