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Table 1 Adult heartworms at necropsy in infected untreated cats (Group C) 240 days post infection

From: Heartworm-associated respiratory disease (HARD) induced by immature adult Dirofilaria immitis in cats

Cat number Viable adult wormsa (male, female) Dead worm fragmentsb
E205 10 (3, 7) 2
E033 1 (1, 0)  
F150 2 (2, 0) 8
F208 12 (7, 5) 8
F204 5 (2, 3) 9
F206 1 (0, 1)  
E291 4 (1, 3) 13
E293   1 > 6 cm
G010 8 (3, 5) 11
F131   12
  1. aViability of adult worms was based on motility in warmed Hank's solution after removal
  2. bFragments are sections of dead adults and not a result of dissection during removal