Cost of Slow-Kill Heartworm Treatment. For owners who can't afford the conventional treatment, the slow-kill treatment method may be an option. Instead of an intensive killing process, the slow-killl method uses monthly Ivermectin doses and quarterly antibiotics.
Cast of Vikings in Season 4, from left to right: Linus Roache (Ecbert), Jennie Jacques (Judith), Gustaf SkarsgÃ¥rd (Floki), James Quinn Markey (Ivar), Alyssa Sutherland (Aslaug), Travis Fimmel (Ragnar), Alexander Ludwig (Bjorn), Katheryn Winnick (Lagertha), Ben Robson (Kalf), Clive Standen (Rollo) and Morgane Polanski (Gisla)
Main article: List of Vikings characters. 1  Travis Fimmel as Ragnar Lothbrok (seasons 1â4) 2  Katheryn Winnick as Lagertha. 3  Clive Standen as Rollo.  Jessalyn Gilsig as Siggy (seasons 1â 1 3) Gustaf SkarsgÃ¥rd as Floki.  George Blagden as Athelstan (main seasons 1â3, guest 1  season 4) Gabriel Byrne as Earl Haraldson (season  1)