Fill in the Blanks Bovine TrichostrongylesOnline version Bovine Trichostrongyles info and lifecycle by Ashley Best 1 trichostrongyles abomasum ingested Levamisol Eggs ruminants intestines 28 days Ivermectin 15 cannot Yes direct L3 fenbendazole fecal eggs adults float feces L1 orally large There are a number of and they be identified individually on a . Zoonotic ? Some The lifecycle is . Its prepatent period is - It infects . It is transmitted - . It resides in the and . Its lifecycle is as follows . 1 ) are deposited in the 2 ) develop from to 3 ) by new host 4 ) grow to and shed in feces It is treated with , , and